tag:blogger.com,1999:blog-70939669543850304882024-02-07T19:57:13.800-08:00The Smartsurface Experience- An Engineer's PerspectiveDamien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.comBlogger17125tag:blogger.com,1999:blog-7093966954385030488.post-11546448243954644912009-12-19T12:13:00.000-08:002009-12-19T12:13:13.807-08:00Finally Finished<div class="separator" style="clear: both; text-align: center;">At 6 in morning, after having gotten breakfast at McDonald's, and not having gone to bed yet, we finished with peggy plan b, brought Simon over, and marveled in our craft.<br />
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</div><div class="separator" style="clear: both; text-align: center;">Rachel still fit perfectly in his cold metallic arms.<br />
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</div><div class="separator" style="clear: both; text-align: center;">So after having had slept for a couple hours, we rejoined forces to finish putting Simon together, and to install him in all of his glory in the gallery. John took this picture, and I still feel like we build a sacrificial alien alter. I don't see the correlation between this, and the robotic creature we intended to make people happy with.<br />
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</div><div class="separator" style="clear: both; text-align: center;">In presentation, Simon did not move, had a limited color mixing display on his belly, didn't talk, didn't nod, didn't tweet, didn't make you warm, didn't harvest energy from the sun, didn't nothin.<br />
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</div><div class="separator" style="clear: both; text-align: center;">Basically Simon was our dumbsurface, our "Downs Surface" as Eric liked to say. He was far more complex than we could have ever guessed, especially when it came down to trying to get the camera to talk to the motors or the aruino, and fighting with Peggy for days. I think we're fortunate it didn't collapse under it's own weight, the steel brackets Eric put in (I helped) really made a difference on the stability front.<br />
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</div><div class="separator" style="clear: both; text-align: center;">When we presented, one of our guests, who was more than skeptical of all of the projects, and voiced his skepticism quite thoroughly, pointed out that our surface did essentially nothing, and he would never consider our project a success. While I agree, in what we set out to do, we really didn't accomplish any of "Sustainability for happiness" goals, but the project wasn't a waste of time and money. I didn't sleep three hours a night for three weeks, and struggle to keep up in my other classes because I was focusing almost singly on this project, to not feel like something was gained.<br />
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</div><div class="separator" style="clear: both; text-align: center;">We made a 6 foot tall robot, who, until five minutes before we presented, did in fact move. For proof, please view this video. Rachel and I were definitely making embarrassingly excited noises<br />
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</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-66565990405510475172009-12-19T11:58:00.000-08:002009-12-19T11:58:29.980-08:00Peggy just would not cooperate<div class="separator" style="clear: both; text-align: center;">I want to take a few moments to talk about Peggy. I spent most of my life for two weeks soldering LEDs to pixel boards, ethernet cables to pixel boards, and ethernet cable to the main LED board. Then we discovered that the board didn't behave the way it was supposed to. Entire sections of the board weren't lighting up the LEDs, and the ones that did were not behaving in the manner they were supposed to.<br />
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</div><div class="separator" style="clear: both; text-align: center;">So?<br />
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</div><div class="separator" style="clear: both; text-align: center;">We spent ~$260, we were dead set on making Peggy do her job. We separated the cables into groupings of rows from top to bottom.<br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizcMGsv0Z1i_OmIEfr554WljNPuInscuCiEKM3mVFHdI1dQPfJkYHu4mxjxSCwiGI1sMk8yAkS8DcuSdV29if8fBeVs71QCRP5E-uVeHr6TnPEyNEsH2dVGtfkQ7xCqoMF9e6OyKCrb95c/s1600-h/DSC04311.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWbFTn7OJsI6whSTmxQI_Q3tqQSAvcmuBzs89xzTg7ZptuMczqT1OFgQk6eIpNDZJRbTDXYX6eIntJj0MlbaSasGP3sShSgurbmI5Mh9-qxyGSXC3a0ZfQeF23-JpZ5FHNpbww51f76tEQ/s1600-h/DSC04310.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgWbFTn7OJsI6whSTmxQI_Q3tqQSAvcmuBzs89xzTg7ZptuMczqT1OFgQk6eIpNDZJRbTDXYX6eIntJj0MlbaSasGP3sShSgurbmI5Mh9-qxyGSXC3a0ZfQeF23-JpZ5FHNpbww51f76tEQ/s400/DSC04310.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">Peggy looked like a terrifying creating creature from the deepest and coldest crevices of the sea floor.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirnIga3iGtP8jBXHRXyu52N5HaGnaseTnKx8EFX_-U7gnm8aenCysRxIJU4_2JftBv5mknY24pO-UPAirosY8jhHXBV617JF_dbhceshCIpFmExUdIN_8h0QaMK4sZG_3E3qxJPbG9uuWd/s1600-h/DSC04329.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEirnIga3iGtP8jBXHRXyu52N5HaGnaseTnKx8EFX_-U7gnm8aenCysRxIJU4_2JftBv5mknY24pO-UPAirosY8jhHXBV617JF_dbhceshCIpFmExUdIN_8h0QaMK4sZG_3E3qxJPbG9uuWd/s400/DSC04329.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">Turns out it was still far too difficult to understand what was happening on the board, Rachel and I tested pixels through the board, and began mapping out which LEDs worked, where connections were poor, and just trying to get a general idea of where things were going wrong. Then Z said the forums discouraged our method, and asked that we put up the LEDs in the same mapping as the board itself. So we did, for two hours.<br />
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</div><div class="separator" style="clear: both; text-align: center;">Peggy gets more and more intimidating with every moment. We ordered a chip replacement kit, but we discovered the damage was in the board itself, the causes are a little uncertain, but may have had something to do with chips being put in in the reverse locations as where they should have been.<br />
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</div><div class="separator" style="clear: both; text-align: center;">So Eric came up with a brilliant plan- replace Peggy with copper tape, some transistors, and wire up the LEDs so we light up all of the LEDs of one color at a time, instead of the intelligent pixels we had hoped for.<br />
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</div><div class="separator" style="clear: both; text-align: center;">So, we put it together, some copper tape, some wires, and a handful of transistors<br />
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</div><div class="separator" style="clear: both; text-align: center;">We held it together with my handy electrical tape.<br />
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</div><div class="separator" style="clear: both; text-align: center;">And hated Peggy plan B just as much as Peggy. But, she worked!<br />
</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-27143454934764896692009-12-19T11:38:00.000-08:002009-12-19T11:58:52.632-08:00Gears gears gear gears<div class="separator" style="clear: both; text-align: center;">In order to make Simon move, Eric and I had to make sure that the drive system we (mostly him, I'm terrible at these things, I think I was more company than helpful) designed actually worked. <br />
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</div><div class="separator" style="clear: both; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; text-align: center;">After the gears were water jetted and welded to the brackets, or put onto the driveshaft, we realized something terrible had happened.<br />
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</div><div class="separator" style="clear: both; margin-bottom: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; text-align: center;">None of the gears meshed<br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhW5c1B1cWuedPwuzazkzke80T7EBQE9cXtQ8WY4kH7zD71MAM4y_QnchnxXxEsIJ9r64habEP6YJfOHkbFjdw6OYr43NdE8v-E3nLXa72R0ysXphA0y7gHs4IakFF5A9p23RYS5X9Z8Hpm/s1600-h/DSC04345.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhW5c1B1cWuedPwuzazkzke80T7EBQE9cXtQ8WY4kH7zD71MAM4y_QnchnxXxEsIJ9r64habEP6YJfOHkbFjdw6OYr43NdE8v-E3nLXa72R0ysXphA0y7gHs4IakFF5A9p23RYS5X9Z8Hpm/s400/DSC04345.JPG" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">You can clearly see how far apart the gears are. As it turns out, regardless of how perfect your digital simulation/design is, the physical manifestation of your system will not be perfect, especially when a majority of the dimensions are determined by the human factor constructing it.<br />
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</div><div class="separator" style="clear: both; text-align: center;">So we have to start over. The gears were re-cut, this time excluding the tabs Eric had designed to help keep the gears securely in the steel brackets (there was no way we were going to try to weld steel to aluminum).<br />
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</div><div class="separator" style="clear: both; text-align: center;">Once the gears were re-cut, we started preparing the frame for installation and manipulation of the gearing.<br />
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</div><div class="separator" style="clear: both; text-align: center;">After hours and hours of reseating, grinding, fidgeting, and more grinding, we got each of the gears to mesh. <br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilzySwGVaFXjVsmNOyn7BzxkSB8XQCB1I_dyNg37D9f2EruLB8YD0p_PR591XbePzYQySz_3Yb20dztkG36je4E12pJLpD_ReFx9ukdMsdzpVQCFwtu7S4zdyH8sUxhm6s8Z9VInkl4Rnr/s1600-h/DSC04350.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEilzySwGVaFXjVsmNOyn7BzxkSB8XQCB1I_dyNg37D9f2EruLB8YD0p_PR591XbePzYQySz_3Yb20dztkG36je4E12pJLpD_ReFx9ukdMsdzpVQCFwtu7S4zdyH8sUxhm6s8Z9VInkl4Rnr/s400/DSC04350.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">Then we welded everything in place, and by we, I mean Eric. I learned how to MIG (Mig?) weld, but, as you can tell, my welding still needs a lot of practice.<br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioRaT318zTgv2kG6F5AR65hAs2hWpasjuFrQlFMMJ9p3b8JQzzZaF9dRkXbnlGiwk2NkwoR24ZGGrUMMI4RO1D01ocCRZh234xUgLPMjbrWpQsse7XloZeTeDgkabgxdbUxq1HR9nwsgQ7/s1600-h/DSC04338.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioRaT318zTgv2kG6F5AR65hAs2hWpasjuFrQlFMMJ9p3b8JQzzZaF9dRkXbnlGiwk2NkwoR24ZGGrUMMI4RO1D01ocCRZh234xUgLPMjbrWpQsse7XloZeTeDgkabgxdbUxq1HR9nwsgQ7/s400/DSC04338.JPG" /></a><br />
<div class="separator" style="clear: both; text-align: center;">I did have some good seams though! if you look closely you can see the two thin steel sheets look pretty nice in a few areas, and one of the four scrap gears I welded onto the thin sheets has four lovely welds, clean seams, basically everything this picture isn't.<br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgih8gu9dxteCdEQ-YxhULhRWYlqxDmnNvy6n8AKpAmqxK9O1P1w6-FuD92kd_K0i_l2iVYgfvYXCmZNElI5xOmSeQ6t3atq80WSoii0uwXhCdNh4UCgt-QLVSPxp364dZzqJEiu7eBU4Wz/s1600-h/DSC04344.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgih8gu9dxteCdEQ-YxhULhRWYlqxDmnNvy6n8AKpAmqxK9O1P1w6-FuD92kd_K0i_l2iVYgfvYXCmZNElI5xOmSeQ6t3atq80WSoii0uwXhCdNh4UCgt-QLVSPxp364dZzqJEiu7eBU4Wz/s400/DSC04344.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">We put that system in.<br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiu-RZZ4xikznkKbNdzB82h9n8lnBb2qjY9LJFvdmtPT-uYXrq8o95lVcP7QrrfVsDP0YPTgHC4IbmE0l8iOEVp981l5ThH50T_xNJy6j0A67uwT860PqfQeZu4xgGvYE0GQOQCW4ACc997/s1600-h/DSC04343.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiu-RZZ4xikznkKbNdzB82h9n8lnBb2qjY9LJFvdmtPT-uYXrq8o95lVcP7QrrfVsDP0YPTgHC4IbmE0l8iOEVp981l5ThH50T_xNJy6j0A67uwT860PqfQeZu4xgGvYE0GQOQCW4ACc997/s400/DSC04343.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">We welded that.<br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiiDNTZ9tqFlw_Ni7trY4bowhSCxox0-AOxhoyKExEUhePpfhy8xVgMnZ_89Tlu69r8bpzib66cWG6CCAFbgKzmrY5mtUjxp2jIoY7JtRZ9JTH-rsYesVIXgxDBlHSJi1hU_-MoFJF4p3Za/s1600-h/DSC04351.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiiDNTZ9tqFlw_Ni7trY4bowhSCxox0-AOxhoyKExEUhePpfhy8xVgMnZ_89Tlu69r8bpzib66cWG6CCAFbgKzmrY5mtUjxp2jIoY7JtRZ9JTH-rsYesVIXgxDBlHSJi1hU_-MoFJF4p3Za/s400/DSC04351.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">We made that motor flip that arm<br />
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</div><div class="separator" style="clear: both; text-align: center;">We made Simon go, because we are rockstars<br />
</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com1tag:blogger.com,1999:blog-7093966954385030488.post-67018081647473235482009-11-29T22:22:00.000-08:002009-11-29T22:22:13.073-08:00I spent five hours designing and all I got was this lousy t-shirt?<div class="separator" style="clear: both; text-align: center;">Man, a t-shirt for this class would be almost totally awesome.<br />
</div><div class="separator" style="clear: both; text-align: center;"><br />
</div><div class="separator" style="clear: both; text-align: center;">Here's my utterly belated blog post. Two weeks ago Eric and I spent some interesting hours trying to get adobe illustrator to make us a gear with the right diameter with teeth that didn't overlap, or drift off of the perimeter of the circle, or leave giant gaps in between each tooth. To say the least, it was a particularly difficult task for the two of us. <br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0ZKO1p60QnZpUSGyZLuwcAkrcCvZH-9wo0QKSJQioURfsAQoUsNr5gHhIcKt0FtQdL7Mh-sQ-X9SMv5sHTzMffYFljOenTUd1jb3iyY5lilPSzH5Uy1YbYt1SHSB71SU5gyIdU2TELMvw/s1600/DSC04190.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg0ZKO1p60QnZpUSGyZLuwcAkrcCvZH-9wo0QKSJQioURfsAQoUsNr5gHhIcKt0FtQdL7Mh-sQ-X9SMv5sHTzMffYFljOenTUd1jb3iyY5lilPSzH5Uy1YbYt1SHSB71SU5gyIdU2TELMvw/s400/DSC04190.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Eric was just super excited that our latest degree of rotation attempt was unsuccessful. Super excited.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnl89KEN7agjSpTOhqrcSQ_2_8WgMu1A95AXashb3Iw_B5JrVDN8rgVzdqA5RBuJGSGdmoY0Ev4I0Bmx1xXsnn7XsRDU-0LdhkjTu9xGYsCBWXPatDRunyzkxZ9wNTSjPn94HyMyu6kox_/s1600/DSC04192.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgnl89KEN7agjSpTOhqrcSQ_2_8WgMu1A95AXashb3Iw_B5JrVDN8rgVzdqA5RBuJGSGdmoY0Ev4I0Bmx1xXsnn7XsRDU-0LdhkjTu9xGYsCBWXPatDRunyzkxZ9wNTSjPn94HyMyu6kox_/s400/DSC04192.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">To put our motor into the frame, Eric and I talked about Placing the motor at one extreme end of the frame, using an attachment to fix a 1/4" diameter, stainless steel rod to the motor, and using this self lubricating plastic (the name of which I've forgotten on three different occasions, this very moment included) to stabilize and attach the rod to the frame. Small gears would be welded to the rod, we figured that two of these small gears, unless in testing we discover we need a third, would be sufficient points of contact for the gears on the mobile plane. The motor would rotate the rod and the small gears, forcing the second plane, and the half gears attached to the second plane, to rotate. This would give us the articulation we need in each of the five joints.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1Rx3V-3Fq_Xotb_wZhbLgs2PR-4fBjrkGWY_EjvuRSPRCWqzG_s_r2Eo0xlD33lrClGZtjn0SaG5YtNOiuGJ7vkbAJkMHztJ3iiZVJvBh3AIZ4rAUyuWINgBkZJPufEPXdRhBsSBXbhzo/s1600/DSC04195.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh1Rx3V-3Fq_Xotb_wZhbLgs2PR-4fBjrkGWY_EjvuRSPRCWqzG_s_r2Eo0xlD33lrClGZtjn0SaG5YtNOiuGJ7vkbAJkMHztJ3iiZVJvBh3AIZ4rAUyuWINgBkZJPufEPXdRhBsSBXbhzo/s400/DSC04195.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Our motor drivers were not handled with care. Crushed capacitors do not a motor driver make. Fortunately the company sent us new ones almost lickity split. Unfortunately one of the dual driver boards does not work at all. Hopefully we can find a way to replace or repair it!<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLRKjzNeeSrbTqHkoPHXdLBjZKw8MH69gGhXO38Wk9RFW-1m5eeU5EY339K3JA87qFZuZBD7czshWEQzt9e1fXHJs4scEajsiHQbH-FOG9YYVM9PIfUfpO_WjMCz2VEhJnq8ycxKK5nBFm/s1600/DSC04197.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhLRKjzNeeSrbTqHkoPHXdLBjZKw8MH69gGhXO38Wk9RFW-1m5eeU5EY339K3JA87qFZuZBD7czshWEQzt9e1fXHJs4scEajsiHQbH-FOG9YYVM9PIfUfpO_WjMCz2VEhJnq8ycxKK5nBFm/s400/DSC04197.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">One of the planes of our lovely frame! Good work team welding!<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcYYrb5P_h4OcEHSHTk9WdyNjm4zfWpOINOYvnVh25vU5uoXPHpq1y2EW8BbaDILDk4RkCSzIbHMXSPiJb4p95JvRSCkh46JnxMriuJBfqczGlKNE0AlXMxrpOeNpcK9AEZLGLeaO7yfK5/s1600/DSC04198.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcYYrb5P_h4OcEHSHTk9WdyNjm4zfWpOINOYvnVh25vU5uoXPHpq1y2EW8BbaDILDk4RkCSzIbHMXSPiJb4p95JvRSCkh46JnxMriuJBfqczGlKNE0AlXMxrpOeNpcK9AEZLGLeaO7yfK5/s400/DSC04198.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Perfectly sized for the motors and mounting.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJVyTPMRjTIUWlvxUEp8_hfyUeCa7DLipGDqVebMVWya_lwGA_c47wxPdf49vbjzOcGCtqAtkNbuaJkKcYHts-BdMo0lGplCsZmCpTA339twX5MjSGDQEhk5v_Ed8TBK6RZrELyRcAgVdP/s1600/DSC04200.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJVyTPMRjTIUWlvxUEp8_hfyUeCa7DLipGDqVebMVWya_lwGA_c47wxPdf49vbjzOcGCtqAtkNbuaJkKcYHts-BdMo0lGplCsZmCpTA339twX5MjSGDQEhk5v_Ed8TBK6RZrELyRcAgVdP/s400/DSC04200.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Instead of just having some gears floating around as our gear prototype, Eric suggested scoring the cross section onto acrylic and using the motor and gears on the acrylic to show how the gears fit into the system.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizGUsv1nxId4jOhuobbBsjNb6IDWOno7ScN500E0OaCNnv3t9xvSPjR2RTaL0-Hei5rviM2Elk4YLCbPG1TwF-KfT4kDTp_m61E9ZmU9Vcyix-4aYzNkSzqYCCKyzEBlCj5prv67cdsSqp/s1600/DSC04201.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEizGUsv1nxId4jOhuobbBsjNb6IDWOno7ScN500E0OaCNnv3t9xvSPjR2RTaL0-Hei5rviM2Elk4YLCbPG1TwF-KfT4kDTp_m61E9ZmU9Vcyix-4aYzNkSzqYCCKyzEBlCj5prv67cdsSqp/s400/DSC04201.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">I think it's quite lovely.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq8gNBNxdpHtu8VmiGhsXLuPW4N-RmXsp-JU2HKgL46xyKviHo6sfLaLiBfaQPOmUUWw0vJ-QLq1m3HWqseJAu-9O67un9aEByPz_dhBSKMnl6pV8O3iUQCb75GMkbPdqkrPGphceenZC4/s1600/DSC04204.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq8gNBNxdpHtu8VmiGhsXLuPW4N-RmXsp-JU2HKgL46xyKviHo6sfLaLiBfaQPOmUUWw0vJ-QLq1m3HWqseJAu-9O67un9aEByPz_dhBSKMnl6pV8O3iUQCb75GMkbPdqkrPGphceenZC4/s400/DSC04204.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Watching the milling machine make our LED pixel boards (each small board accomodates 4 LEDs, red, green, blue, and white, which creates a pixel), was probably one of the more exciting things for me in this project. I soldered our LED control board, and when the small circuit boards were finally finished, Eric and I spent some hours soldering LEDs onto the boards, and testing them. All in all a pretty fun day/evening (4pm-1am), listening to music, soldering, watching movies, soldering, more movies, testing boards, and soldering. I love that I get to play around with things that you'd typically see in an eecs robotics design class, definitely not a materials science senior design.<br />
</div><div class="separator" style="clear: both; text-align: center;"><br />
</div><div class="separator" style="clear: both; text-align: center;"><object height="344" width="425"><param name="movie" value="http://www.youtube.com/v/DincBWWh-mM&hl=en_US&fs=1&color1=0x006699&color2=0x54abd6"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/DincBWWh-mM&hl=en_US&fs=1&color1=0x006699&color2=0x54abd6" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="425" height="344"></embed></object><br />
</div><div class="separator" style="clear: both; text-align: center;">So cool!<br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjfcahixpjiZ0Iyo6xM_xOxO2sglGMvESgiIe0c4H_u-ohJq1OAcQuJ_xTOIfTkv7kdszIbrmtxMblPdRLRIN1vZMwlxxaKcznHx9GlX9dTfrCjuHsPe6AxDbBFonKmvlQ35ulSUvHkrKZ/s1600/DSC04220.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjfcahixpjiZ0Iyo6xM_xOxO2sglGMvESgiIe0c4H_u-ohJq1OAcQuJ_xTOIfTkv7kdszIbrmtxMblPdRLRIN1vZMwlxxaKcznHx9GlX9dTfrCjuHsPe6AxDbBFonKmvlQ35ulSUvHkrKZ/s400/DSC04220.JPG" yr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Just for fun I thought I'd include a picture of my adventure into the steam tunnels of an area and school that will remain unnamed. I should probably remain mum as to how I got into them, but it's safe to say I went from one end of central to the extreme other end, without ever leaving these tunnels.<br />
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</div><div class="separator" style="clear: both; text-align: center;">It was awesome!<br />
</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-20069986800605221612009-11-29T21:55:00.000-08:002009-11-29T21:55:31.492-08:00Being productive in every way<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4sAoDIpg6Td4QoRNdk2oaIRf5GamXBRkUhhW2jqmwSShB8tSYf03q-t6OCFAlcCFxwAGqCmnWZcfe0LfEPgKvkYrEQGF-3tJlyMjkBVu5zt68fhm-DpoIUC-9wERL4BofWZGUuWEMZT6-/s1600-h/revised.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj4sAoDIpg6Td4QoRNdk2oaIRf5GamXBRkUhhW2jqmwSShB8tSYf03q-t6OCFAlcCFxwAGqCmnWZcfe0LfEPgKvkYrEQGF-3tJlyMjkBVu5zt68fhm-DpoIUC-9wERL4BofWZGUuWEMZT6-/s400/revised.jpg" vr="true" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Our group determined that our purposes would be best met by eliminating the sit "function" of the object, something I was very relieved about, I wasn't interested in desiging a chair that tries to feel me up.<br />
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</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixOfJ6bcGhicSlkgiuFt-V1Hc85yMpI6LWsWyiD6AlUJJCbXm1VvwcLeClT87WeXAp6jElwjkUe1h0woU6kkciDVkmknrN5isOuR3gEeZwFdxDsfIlRrl1SjP1CJArvtrHBFh797bVox7e/s1600-h/DSC04143.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEixOfJ6bcGhicSlkgiuFt-V1Hc85yMpI6LWsWyiD6AlUJJCbXm1VvwcLeClT87WeXAp6jElwjkUe1h0woU6kkciDVkmknrN5isOuR3gEeZwFdxDsfIlRrl1SjP1CJArvtrHBFh797bVox7e/s400/DSC04143.JPG" vr="true" /></a><br />
<div style="text-align: center;">Prototyping the actual size of the object, it would be 6ft tall if measured from ground to the tip of the "nose", just a little taller than Rachel!<br />
</div><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVfjaZsSAVTQ5eDskA982fklns7l1VgbG6P5k-Re4aKQTNtIM5RLNB7MmtiWRXQG3oxlCZA_ystjXqQNgz8mtnaczyUJ_QmbmEVpk31NvNQsB-K2vDouF0y_QzoUjE8NkwzsF7cVM-kmP3/s1600-h/DSC04144.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjVfjaZsSAVTQ5eDskA982fklns7l1VgbG6P5k-Re4aKQTNtIM5RLNB7MmtiWRXQG3oxlCZA_ystjXqQNgz8mtnaczyUJ_QmbmEVpk31NvNQsB-K2vDouF0y_QzoUjE8NkwzsF7cVM-kmP3/s400/DSC04144.JPG" vr="true" /></a><br />
Working with stepper motors to create the joint movement system<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZh5rYtOgpKk_YLkPRqRnmd8ads3hMiAEeqLR1FxW1fn0-u2M-5CbA4lHzovTw8A_xkD1a3Nh18rZVPGpjfx8bUuBZnT1TFBBcIFL2tDAzm7h2YKydNhueRYhm0NE-eZo5bUxi4wew833z/s1600-h/DSC04147.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgZh5rYtOgpKk_YLkPRqRnmd8ads3hMiAEeqLR1FxW1fn0-u2M-5CbA4lHzovTw8A_xkD1a3Nh18rZVPGpjfx8bUuBZnT1TFBBcIFL2tDAzm7h2YKydNhueRYhm0NE-eZo5bUxi4wew833z/s400/DSC04147.JPG" vr="true" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbCBoGhjv3hxmVtViahL7kLkqr3Fnu978Vttx3DehfXAq4dXKaXgpb4bTPWrGGl3zXmlhrR21Cg3G1ptUpdXIotBwBiJQogjGW9edwn9p1qeF-f_g6FXJLc_K3ma6UtUuhqRv3feTpd97h/s1600-h/DSC04148.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgbCBoGhjv3hxmVtViahL7kLkqr3Fnu978Vttx3DehfXAq4dXKaXgpb4bTPWrGGl3zXmlhrR21Cg3G1ptUpdXIotBwBiJQogjGW9edwn9p1qeF-f_g6FXJLc_K3ma6UtUuhqRv3feTpd97h/s400/DSC04148.JPG" vr="true" /></a><br />
A prototype gear and assembly, Eric designed a model that creates two 3D planes to practice the hinge articulation. When she came, Michelle was very interested in seeing how we'd designed the movement of the planes<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-dHP7ALMXkGFfB_BvoZyYqAG9eCSSF3ZQJzVVBr38tBDQlTJ0D5nF0dc6Z8GM_y3QBYEN9G5e7Olfn87gZnElE92oOfQZFmnJQoy6u3z9_QO137q37bhhjEsI-zvEuFopD5Q5Xv7pYuYu/s1600-h/DSC04151.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-dHP7ALMXkGFfB_BvoZyYqAG9eCSSF3ZQJzVVBr38tBDQlTJ0D5nF0dc6Z8GM_y3QBYEN9G5e7Olfn87gZnElE92oOfQZFmnJQoy6u3z9_QO137q37bhhjEsI-zvEuFopD5Q5Xv7pYuYu/s400/DSC04151.JPG" vr="true" /></a><br />
Assembling the planes and the gear<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIlamI-UST7CJ3ZLsiJwMbkqEecMP8nv1peYagoVvnxeYHl7uxgbFCqhWuA16tp3-xzADEuzVWQqJ_qgPl0Wum701IAp_YLmgZewEA6EmxiBnimpyrrTIelkl9WtlJkWAxZj3tS0M84_ZO/s1600-h/DSC04153.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjIlamI-UST7CJ3ZLsiJwMbkqEecMP8nv1peYagoVvnxeYHl7uxgbFCqhWuA16tp3-xzADEuzVWQqJ_qgPl0Wum701IAp_YLmgZewEA6EmxiBnimpyrrTIelkl9WtlJkWAxZj3tS0M84_ZO/s400/DSC04153.JPG" vr="true" /></a>The finished prototype assembly, I love putting motors in acrylic boxes, everything works and seeing the mechanical system through the container is really quit thrilling!<br />
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjV8qeAkgbFnc39EHRkssOEvLlw6xYX-zesHJoXOeT6QxJWm96OkQ7ZBwk2tzmALZheTc7QQJ2bbPCOz3DK-BDosr4t_9IPZNxXyzKA5AVt-BAXJGRFCvU5hXWQcCdiwMCxVR0Gd1t67nSZ/s1600-h/DSC04155.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjV8qeAkgbFnc39EHRkssOEvLlw6xYX-zesHJoXOeT6QxJWm96OkQ7ZBwk2tzmALZheTc7QQJ2bbPCOz3DK-BDosr4t_9IPZNxXyzKA5AVt-BAXJGRFCvU5hXWQcCdiwMCxVR0Gd1t67nSZ/s400/DSC04155.JPG" vr="true" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGxgqcKr2SpB557ORiu1RjuPgz0Qvy9sVulmkhyphenhyphenIQGlB8crNEJx8Pc6nROBEoFlks4N5N3tdfZJRLteyikVKkPafLOM1vnfQh-4lf4KnTWvDMXFlNPCVdXf1agL-d-83hG0Ln8fc2zxDVG/s1600-h/gear+technical.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiGxgqcKr2SpB557ORiu1RjuPgz0Qvy9sVulmkhyphenhyphenIQGlB8crNEJx8Pc6nROBEoFlks4N5N3tdfZJRLteyikVKkPafLOM1vnfQh-4lf4KnTWvDMXFlNPCVdXf1agL-d-83hG0Ln8fc2zxDVG/s400/gear+technical.jpg" vr="true" /></a> This is how Eric determined the proportions of the gear system, he created, to scale, the cross-section of each object and overlayed them to create an accurate overview of the system. It's a very clever and intelligent way to go about designing things!<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7RsMa0PlI28l9WbFfxGj6fOiBeavEScAKgpEsyssbtS4SwkAHyVM1YS_TeOTRrmlpPhNKb-yB20XqY1DWFZjOKQnJPhRDi4VOhjbI_2KOQLaw1SVX0A09xQuw612OWri8j78j2m7brNeW/s1600-h/hinge+left.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj7RsMa0PlI28l9WbFfxGj6fOiBeavEScAKgpEsyssbtS4SwkAHyVM1YS_TeOTRrmlpPhNKb-yB20XqY1DWFZjOKQnJPhRDi4VOhjbI_2KOQLaw1SVX0A09xQuw612OWri8j78j2m7brNeW/s400/hinge+left.jpg" vr="true" /></a><br />
I learned how to use Rhino a bit in creating a model of this alternative hinge, Eric and I thought that a specially designed hinge would be a good choice for our system, it would allow us to easily insert our motor and gears into the frame and would make it possible for us to hide all gearing and attachements inside the frame.Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-11881210956020974602009-11-04T14:39:00.000-08:002009-11-04T14:39:48.739-08:00Some more adventures in designI started writing this post on Thursday, October 29th. I am just now finishing it, sorry for the delay!<br />
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This morning we met to finalize our budget, and to bring together the assignments we'd been working on since our last meeting on Tuesday, which included building a fullsized model of the object shape, writing the budget paper, assembling a table of the desired and required components, calculating solar panel power and charge rate values, and physical system assembly requirements.<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_7KzfXb6dZYL1QyqqeCRyuqNuOHbH6_NwFbwDfElTETLYSWkovafP6HDEwlsD1m3TrqID31vin5UskegR3x7IrxJbd_jPhK_jfpiyrEKli1QfPygd2SggOdAug_1SkIN1Rcv9ASHO9xMD/s1600-h/DSC04134.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_7KzfXb6dZYL1QyqqeCRyuqNuOHbH6_NwFbwDfElTETLYSWkovafP6HDEwlsD1m3TrqID31vin5UskegR3x7IrxJbd_jPhK_jfpiyrEKli1QfPygd2SggOdAug_1SkIN1Rcv9ASHO9xMD/s400/DSC04134.JPG" /></a><br />
</div><div style="text-align: center;"> The awkward family photo<br />
</div><br />
While we met to finalize the task for this week, we also began with a discussion of our working values. The last time we had met there was a clear divide in the group. Half that didn't feel that the objective of the project required considerations for powering the system with solar energy, that the sustainability of the object would come in a social form. The other half, however, felt that not focusing on solar energy as our power source was negating the whole objective of the course, which, as was infered, to create innovative systems that exemplify the "think green" mantra that has been attached to anything oriented around solar energy.<br />
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We recognized that we had fallen into a dangerous place, our group dynamic post-Tuesday meeting was not condusive to accomplishing anything. We discussed where we had had a breakdown. In our discussion there was even disagreement as to what had happened, and we realized that, while we talk a great deal in our meetings, when a disenting (differing) opinion was offered, there was not a strong argument given for the opinion. We all agreed that in the future we would all take an additive criticism approach. Instead of saying "No, I don't like it," we learned it was more productive, and fruitful, to say what we didn't agree with, give solid reasoning for our opinion, and a suggestion for a change or improvement to solve the problem.<br />
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I played around with the shape of the "chair" and how we could potentially install the different sensors and smart components.<br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvqo4KjqkXZ2YqbjaWX3HrOy-Lah1bOMibeqWhGob87dtQOyHSCSo-ZDWN_lVsZqrXgbWcPhMBTa559qMtrsKrQZ7gijQpQjOBcAinxQzKON-zLEHAFF31D47WsDSusG0SmD9bEwvajHLY/s1600-h/basic.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhvqo4KjqkXZ2YqbjaWX3HrOy-Lah1bOMibeqWhGob87dtQOyHSCSo-ZDWN_lVsZqrXgbWcPhMBTa559qMtrsKrQZ7gijQpQjOBcAinxQzKON-zLEHAFF31D47WsDSusG0SmD9bEwvajHLY/s400/basic.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Basic structure and form of the chair<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHARrEXuPrMubKYZEzGpKVWig06OaWgARXA4TwV7q-WZDhkv8Vt8TLaqUrVdIP7v5ZwiHpNvqxDNBzFp4Zl5-drnGmnD-xpDjb4YTPnL23zHHOWNJRf6Jh-lu2ghRe71N_ak0mZA2eI4Jn/s1600-h/basic+move.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhHARrEXuPrMubKYZEzGpKVWig06OaWgARXA4TwV7q-WZDhkv8Vt8TLaqUrVdIP7v5ZwiHpNvqxDNBzFp4Zl5-drnGmnD-xpDjb4YTPnL23zHHOWNJRf6Jh-lu2ghRe71N_ak0mZA2eI4Jn/s400/basic+move.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">Articulation of some of the hinges<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh072qnQkK1Jk5l28eDW8SXSFSY8MdeKCAs07E4KRFsfl8cTVodL04tm4c6GJuSSdnzPTitJW6HUrld0IRup-7liZOyd_n5A4bmBFfb8FxkTmWRTAxTAElkIgRBnzlnrVkqtSiDQE2DYqet/s1600-h/basic+side.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh072qnQkK1Jk5l28eDW8SXSFSY8MdeKCAs07E4KRFsfl8cTVodL04tm4c6GJuSSdnzPTitJW6HUrld0IRup-7liZOyd_n5A4bmBFfb8FxkTmWRTAxTAElkIgRBnzlnrVkqtSiDQE2DYqet/s640/basic+side.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">More articulation of the chair.<br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzuo4N1LQNlrgUosI9EuprCSs_tkWXcrd0rjgkGBRtVP6PnZG_1-Q3bk7ywM7RnaOYZ4JVIhtdPcqqHOwXZ4DH2Lbw2o6eyXCty86F_wcrBjBRy9XrIYg37dRSETb7-XCCtbYy01pXrwKg/s1600-h/sensor+side.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgzuo4N1LQNlrgUosI9EuprCSs_tkWXcrd0rjgkGBRtVP6PnZG_1-Q3bk7ywM7RnaOYZ4JVIhtdPcqqHOwXZ4DH2Lbw2o6eyXCty86F_wcrBjBRy9XrIYg37dRSETb7-XCCtbYy01pXrwKg/s640/sensor+side.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">We figured it would be easiest to have sun exposure on the solar panels if we placed them on the backside of the seat. I also explored the idea of having an LED display on the main face of the seat, which really only serves an interactive function if someone isn't sitting.<br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6XtE4vh1_8K6wxjH1p9dTnmDYm00ZcvRY6HH88P66luQkJPc2gGfz3-yAPCbYceAzcDGODIqE_MteNfgwzVY3NnmsoWmEQpX4NBX_jplQYTnM9mSj96wgBNdSqXtzExusKS3DfHyEtYIq/s1600-h/sensor+back.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" sr="true" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi6XtE4vh1_8K6wxjH1p9dTnmDYm00ZcvRY6HH88P66luQkJPc2gGfz3-yAPCbYceAzcDGODIqE_MteNfgwzVY3NnmsoWmEQpX4NBX_jplQYTnM9mSj96wgBNdSqXtzExusKS3DfHyEtYIq/s640/sensor+back.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">The back of the seat would pivot to orient itself for optimal sun exposure, it would also fold down toward the seat for high noon exposure<br />
</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-47694401446900467932009-10-27T15:24:00.000-07:002009-10-27T15:24:59.575-07:00The Charette Cart Came 'Round<div class="separator" style="clear: both; text-align: center;"><br />
</div>When we met on Sunday we had decided to come prepared with materials to have a 3D brainstorming session, a charette. We talked briefly about various inspirations we've had or found regarding the emotional goal we have for our project. We then broke up to individually start making something, anything, that had to do with our goal of creating a physical system/object that facilitates an emotional connection to technology, particularly solar energy and heliotropism.<br />
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This is what we made: <br />
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</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgf0QFGXQFjWp9Jh5i8QlhF4CnZiEQQC85OH-z5slWoo9xp46UM6Ojh6G_zALgt7hBWyxSj2VoRjMT3SqTozS97UFsbjKnNrkjR1coSIhL5PEF6t9mRMBfrkiPjmZ1s8kBlLJM-JXrHnbou/s1600-h/DSC04095.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgf0QFGXQFjWp9Jh5i8QlhF4CnZiEQQC85OH-z5slWoo9xp46UM6Ojh6G_zALgt7hBWyxSj2VoRjMT3SqTozS97UFsbjKnNrkjR1coSIhL5PEF6t9mRMBfrkiPjmZ1s8kBlLJM-JXrHnbou/s400/DSC04095.JPG" vr="true" /></a><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">Lindsey<br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQpmU4__AnTDhU-WaVCGaBrauGKwsRNR0YsJDIYfnL1_YnaXMYZwUKUBZCzhVP2AKFVVdyTGL-oC-jHD7ofAJgz8x1EtfdnHjdQPWez5cxZy5x3uXNmcE3ekTTNot1ydmGDI1-TH5ltIuE/s1600-h/DSC04097.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQpmU4__AnTDhU-WaVCGaBrauGKwsRNR0YsJDIYfnL1_YnaXMYZwUKUBZCzhVP2AKFVVdyTGL-oC-jHD7ofAJgz8x1EtfdnHjdQPWez5cxZy5x3uXNmcE3ekTTNot1ydmGDI1-TH5ltIuE/s400/DSC04097.JPG" vr="true" /></a><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">Marc<br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxxE7vYIxETOYTBQAOdvvKYgCie44oXSs6N2YUqQfan936CaE-sZsiE17va0H9XUTJDxPcbSEkwor9_pFGyVKWX56cXW26DPxAqyFWjIJEDqMUCRS4RzqQ1IcQSto6rAztPZS0YwgmXIyq/s1600-h/DSC04099.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgxxE7vYIxETOYTBQAOdvvKYgCie44oXSs6N2YUqQfan936CaE-sZsiE17va0H9XUTJDxPcbSEkwor9_pFGyVKWX56cXW26DPxAqyFWjIJEDqMUCRS4RzqQ1IcQSto6rAztPZS0YwgmXIyq/s400/DSC04099.JPG" vr="true" /></a><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">Rachel<br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic5SfedVn7ZGNprZYcITiC-x-r1ZMjU7FXmG7k5AGp8krzil1mfccxETKD5AWRItjxxbHodmjUmnt22hogoilBYdD8-k6ZDBg5Wr6qDHKAQsjcpJlt3RlH7alUfty3e_9Dp09VG6C7lgf_/s1600-h/DSC04102.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic5SfedVn7ZGNprZYcITiC-x-r1ZMjU7FXmG7k5AGp8krzil1mfccxETKD5AWRItjxxbHodmjUmnt22hogoilBYdD8-k6ZDBg5Wr6qDHKAQsjcpJlt3RlH7alUfty3e_9Dp09VG6C7lgf_/s400/DSC04102.JPG" vr="true" /></a><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">Eric<br />
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</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">After what I'm fairly certain was an hour of intense cardboard craftery, we came together to talk about what we'd made and what we'd thought about while we were constructing.<br />
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</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;">We ultimately chose the form that Lindsey came up with. A chair that, when unused, is a heliotropic solar surface, but when an individual comes near it folds into an interactive chair. <br />
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</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-34683944527711393832009-10-24T10:01:00.000-07:002009-10-24T10:01:28.816-07:00Final Project- Design discussionSo, discussion in our group has been really interesting. When we presented no one really seemed to understand what we ultimately wanted to make, which was completely understandable as we didn't really give anything that specific in our presentation. However, we do have a very defined objective. We started our thought process by defining how we wanted to work together, what we each wanted to achieve, what our group values were for this project, and what we were each interested in contributing and learning from this final task.<br />
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I've never worked in a group where we so thoroughly discussed our position, our objectives, our purpose, our "How? Why? Who? What?" questions. But I have to say I really appreciate this expression of purpose. As we work this way, by re-checking that we are indeed keeping in harmony with the personal variables we expressed, we ensure that we're moving in a direction that allows each of us to individually be excited about the project. <br />
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Now I'll come back to the actual idea. We each presented what we were interested in, talking about different types of solar panels, emulating radical energy production research, and creating a purely hedonistic experience with the aid of technology.<br />
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When we hit on the hedonism idea, everyone got really excited, talking about ways we could create something that makes you happy. The direction the discussion was taking, I was genuinely worried that the happy factor was the only factor. Now, there is absolutely nothing wrong with making people happy. I was worried that, seeing as this course satisfies my senior design requirement and as such I want it to be something worth talking to companies and graduate schools about. I felt a great deal of trepidation about moving rapidly in the direction of something that reads your feelings and responds, which, while very interesting, still made me feel like I was going to make a furby. <br />
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However, as we talked more, and narrowed down our specifcations for function, I felt less uncomfortable with our idea. We gravitated toward something that provides a positive emotional experience with technology oriented toward human service and, while not providing energy to the grid, self sustained through the sun's energy. <br />
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What we ultimately funneled our ideas down to were these three things:<br />
A physically interactive surface<br />
-Marc envisioned a bus stop wall that envelops the individual waiting for the bus to provide warmth and protection from the weather. Remaining stationary when the weather is nice, or there are no patrons waiting for the bus, and moving the shield people when there is wind or rain.<br />
-Lindsey talked a great deal about the hugging trees a presentor at the Future of Design conference spoke about, drawing as her idea a wall of "fingers" that would move toward people as they moved around the wall, reaching out, touching, or holding.<br />
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A single module capable of aggregating with other modules to interact and create a social experience<br />
-a unit that would move around an area, someone's yard or a park, collecting energy from sunlight, and interacting with people as it moves around<br />
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A wall composed of many small modules that interacts with the user- a combination of the wall and single module ideas<br />
-I pictured many small units creating a surface that individually are capable of minimal interaction with the user and each other, but as a surface of units have a high level of interaction and function. I suppose I could use the example of a puzzle piece, each one has a small amount of information it can provide and limited interaction with the pieces around it, but when they are all assembled you have an entire image and a completely different function.<br />
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I suppose that's enough discussion for now, I'll post more of our work when I remember to bring my camera with me to the computer lab, I haven't had a laptop for the past two weeks due to a shorted motherboard. It's easy to surmise that my computer access is limited to when I'm on campus and not in class or in meetings for Smartsurfaces and homework.<br />
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Here are some neat things I saw online while looking for images for our presentation.<br />
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<a href="http://www.liquidware.com/shop/show/TSL/TouchShield+Slide">Touch Shield for Arduino</a><br />
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</div><div class="separator" style="clear: both; text-align: center;">This this is really the most lovely thing I think I've ever seen. <a href="http://www.liquidware.com/shop">Liquidware Shop</a> is where I found it and I think that looking through this site will be really useful in getting ideas as to what components we can be looking for for prototyping as well as final design component purchasing<br />
</div><div class="separator" style="clear: both; text-align: left;">I think this touch screen is something we could really utilize in our Modular Emotionally Responsive <br />
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One of my biggest focuses for this final project is being able to utilize solar cells/photovoltaic technologies in new ways by losing the traditional solar panel structure. <br />
<a href="http://www.popsci.com/popsci/flat/bown/2007/green/item_59.html">Printed Sola</a><a href="http://www.blogger.com/"></a><a href="http://www.popsci.com/popsci/flat/bown/2007/green/item_59.html"><span id="goog_1256246328982"></span><span id="goog_1256246328983"></span>r Cells</a><br />
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<a href="http://www.popsci.com/popsci/flat/bown/2007/green/green_animation.html">Printed Solar Cell Video</a>- This is kind of hilarious, it vaguely describes how the cells are made and workDamien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-73666817346565405302009-10-13T17:52:00.000-07:002009-10-13T18:05:41.438-07:00A practical Smartsurface?I promise I'm in the process of completing my entry on our second week task (Task 2 if you will). That will be up with video and pictures shortly. <br />
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I found, while looking at <a href="http://www.practicalarduino.com/">Practical Arduino</a>, a blog posting about <a href="http://www.builderonline.com/cabinets/kitchen-cabinets-that-open-with-a-wave-of-a-homeowners-hand.aspx">Kitchen Cabinets That Open With a Wave of a Homeowner's Hand</a>. Personally I like to see all the appliances in the kitchen, but this is definitely an interesting idea. A surface that responds to motion, as well as direct user input (the touch screen.) It's very sleek, but the thing I don't think will be so clever is repair if things stop working.<br />
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I think that in designing anything that involves sale to someone with no technical experience it's important to take into consideration how dumb people are. I'm not saying that everyone ever is unintelligent, but you have the underside of your mother's iron, requesting that you refrain from ironing your clothes while you're still wearing them for a very good reason. I can't say one person has done this, I can say that many people have done this, and continue to iron their clothes while still dressed in them.<br />
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So my opinion? This is really neat, but I'm more interested in thinking about, and eventually creating, a surface that improves our world, not something that makes rich people lazier.<br />
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I thought this video was really neat. Neil had talked about wanting to set up an LED display to show what data our sensors would be reading. This does something similar, only with a video directing the behavior of the LEDs.Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-83874280748125908362009-10-13T17:50:00.000-07:002009-10-15T09:53:27.600-07:00Task 2: Heliotropic Light Sensor<span style="font-family: Arial,sans-serif; font-size: small;">he objective of this second task was to create a light detector that follows the light source the detector is exposed to. We obtained code from<a dir="ltr" href="http://arduinofun.com/blog/?p=529" rel="nofollow" style="background-color: transparent; border-width: 0px; color: #0033cc; margin: 0px; outline-width: 0px; padding: 0px; text-decoration: none;" target="_blank" title="http://arduinofun.com/blog/?p=529">http://arduinofun.com/blog/?p=529</a>, which directs servo motion to the left or the right based on a comparison of the intensity of light detected by two LDR light sensors. We altered the code from the blog to accommodate three sensors, the third placed in the center of the two to determine when the light was located directly at the center. Six sensors were used in total, three for the x-axis controlling servo, attached at the bottom of the cardboard column, and three used for the y-axis, a sideways placed servo at the top of the column.</span><br />
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</style> <span style="font-family: "Arial","sans-serif";">Group work this week went much better than the first week, at least in my opinion. I know I felt more involved in the design and problem solving process than I had the first week, and I can say I was more excited about the development of the result, as well as the thought process for improving and strengthening our design. </span><br />
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A comment on our group dynamics- There were two group members who, in the first day of working, seemed to have a hard time getting involved, and another who, again in the first day, was at a loss for most of our time how they could be involved in the development. However, when we had some more specific roles in building, programming, and trouble shooting, it was clear that the members who hadn't been as involved in thinking about the programming and mechanics of the design, could be more involved in the actual fabrication and assembly of the detector. This situation definitely brought to my attention the differences in our educations. I hadn't expected individuals to watch and wait until we reached a point that they felt they understood and could contribute to. In my experience in the engineering school, if you don't understand something you ask questions until you understand and know what's happening and how you can give your input. This isn't a criticism, but more a realization that not everyone is willing to ask questions.<o:p></o:p></span><br />
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I hope that realizing this tendency is something that I can help prevent in future groups. It's important to have everyone involved in giving input, as well as to be able to feel excited about the decisions the group is making. This isn't a class where partial participation works, everyone needs to contribute and work to achieve the very lofty goals we have set before us, and the easier we make this for other people, the more exciting things we'll be able to develop and build together!</span><br />
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Damien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-34014894835268522492009-10-13T11:51:00.000-07:002009-10-13T17:49:34.775-07:00Task 4- Foray into Adobe Illustrator and Prototype DevelopmentAfter today's meeting to lay down a more concrete vision and plan I decided that instead of taking a picture of what I'd drawn, I'd actually try to put it into a more legible form. <br />
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</div><div class="separator" style="clear: both; text-align: center;">This is what I made in Adobe Illustrator, which, I will admit, was quite an adventure. I didn't know what a lot of the hidden functions of things were so it was a very trial and error creation. The smallest hexagonal shapes are the bubbles, or pillows, that we discussed in the previous iteration of our project design. in each cell there are 13 small bubbles connected to one another. The idea was that we could connect four of these cells and have them fill and empty simultaneously. Each of these four cell units would connect to a pipe loop encompassing the entire surface.<br />
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</div><div class="separator" style="clear: both; text-align: center;"> <a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgWR0xYY2TKaaao1XG2qRIhTDnMeqqhO2ezQLeUjJD-wI9IvxsfeFjscHz8bNzyNQ6z6f1Y_oBqcwYyCU3OXMIu6iyHwcbd0RvTVOlc0OxvgdhNoAj4derRaUHR66RnS1m967b6YadKzbm/s1600-h/whole+assembly+1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img $r="true" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgWR0xYY2TKaaao1XG2qRIhTDnMeqqhO2ezQLeUjJD-wI9IvxsfeFjscHz8bNzyNQ6z6f1Y_oBqcwYyCU3OXMIu6iyHwcbd0RvTVOlc0OxvgdhNoAj4derRaUHR66RnS1m967b6YadKzbm/s400/whole+assembly+1.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">This is one such arrangement of the units. <br />
</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRglyHmVsAkkt4AgZDpnJNKY09yiqKIZ9f4116hHgeo8-guRnRpCYMl0UFMr3ikqcyQ2p5NVuBYGb3yfCRXTlfUsneDrE5N31jLNtVGU0z5MpWFmjpwHPCyckPmCj0nskFBTI8XHUhyV76/s1600-h/cell+design+2.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img $r="true" border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhRglyHmVsAkkt4AgZDpnJNKY09yiqKIZ9f4116hHgeo8-guRnRpCYMl0UFMr3ikqcyQ2p5NVuBYGb3yfCRXTlfUsneDrE5N31jLNtVGU0z5MpWFmjpwHPCyckPmCj0nskFBTI8XHUhyV76/s320/cell+design+2.jpg" /></a><br />
</div><div class="separator" style="clear: both; text-align: center;">This is another one I thought would make the assembly a little clearer.<br />
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</div><div class="separator" style="clear: both; text-align: left;">Initially I had a difficult time figuring out what controls, buttons, and erratic behaviors resulted in what in AI, but after about half an hour I figured it out. I really enjoy doing stuff like this, being able to create wonderful visualizations of what I'm thinking that clearly portray the intention of my design.<br />
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</div><div class="separator" style="clear: both; text-align: left;">I have to say I also really love designing things like this, in MSE I don't typically have much occasion, if any, to do anything like this. I actually sincerely thought about going into industrial design so that I could do stuff like this, at least as far as my perception of the field lead me to believe.<br />
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</div><div class="separator" style="clear: both; text-align: left;">Tonight I'll be working on servo-valve assembly, and hopefully helping Neil with the coding for making all of this be able to be synced with the data being read from a flex resistor on one of the cells to determine fill rate.<br />
</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com1tag:blogger.com,1999:blog-7093966954385030488.post-50713100311724672092009-10-07T23:43:00.000-07:002009-10-13T17:49:21.381-07:00Task 4- Make a Smart Surface--Design possibility<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq8MiI5s8Ua140KnCwTRlKLxYmJk27gGO2pMoUGnKBZdbnjpOA8vOKX4zPuvSljmjmfJMXr7PzWu-qGieTqM64csz2an1Bb2Zy6vZvUK8t1WmZRcq1dMKRDqPU2WJqbarCKKVLlY_iwMuO/s1600-h/DSC03849.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiq8MiI5s8Ua140KnCwTRlKLxYmJk27gGO2pMoUGnKBZdbnjpOA8vOKX4zPuvSljmjmfJMXr7PzWu-qGieTqM64csz2an1Bb2Zy6vZvUK8t1WmZRcq1dMKRDqPU2WJqbarCKKVLlY_iwMuO/s320/DSC03849.JPG" /></a><br />
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</div><div class="separator" style="clear: both; text-align: center;">Just drawing out what I think we discussed as a group. A series of "bubble" layers to be filled layer by layer in a predetermined sequence and rate. Sorry for the poor quality, I decided it would just be easier to take a picture of my diagram than try to make it on one program or another.<br />
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</div><div class="separator" style="clear: both; text-align: left;">I just have to figure out what kind of solenoid valve we can use/cheaply get our hands on. I've found some really cheap ones on a surplus website <a href="http://www.surplusshed.com/pages/item/r3041.html">Surplus Shed</a> but they state purpose for low volume air and vacuum applications. Ideally we'd like to be able to use water, but I feel if part availability/price states that filling the bubbles with air is the cheapest and easiest way, you don't argue, especially with a two week deadline.<br />
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</div><div class="separator" style="clear: both; text-align: left;">I also found a range of solenoid valves through an irrigation parts website <a href="http://www.giplindia.com/irrigation_solenoid_valves/index.htm">General Imsubs</a>. I can't begin to express how cool I'd feel if I was the group using an irrigation solenoid valve.<br />
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</div><div class="separator" style="clear: both; text-align: left;">As Neil and I work on this more I'll be able to walk through more detail of how we'll fill the bubbles, but again, material supply will strongly determine what we can actually accomplish.<br />
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</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-26987495616934050522009-10-07T23:26:00.000-07:002009-10-07T23:28:54.389-07:00Task 3- Heliotropic field<div class="separator" style="clear: both; text-align: center;"><br />
</div><span style="font-family: Arial, sans-serif; font-size: -webkit-xxx-large; white-space: pre;"><span style="font-size: medium;"><span style="font-size: 10px;"><object height="285" width="340"><param name="movie" value="http://www.youtube.com/v/foqkaw6X8Bs&hl=en&fs=1&color1=0x006699&color2=0x54abd6&border=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/foqkaw6X8Bs&hl=en&fs=1&color1=0x006699&color2=0x54abd6&border=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="340" height="285"></embed></object></span> </span></span><br />
<span style="font-family: Arial, sans-serif;"><span style="white-space: pre;"><span style="border-collapse: collapse; line-height: 14px; white-space: normal;"><span style="font-size: small;">The objective was to create a field of cell components that all respond and change according to the intensity and movement of the sun throughout the day and year. My group decided to use a shifting plane mechanism to move cells with the rotation of the sun. Two servos were programmed in near unison to pull, with a lever arm, the plane, which is used to maintain parallel motion of the dowels, in a parabola. The rudimentary design process we went through can be found <a href="http://www.flickr.com/photos/parsnipsncelery/3959936819/">here</a>, <a href="http://www.flickr.com/photos/parsnipsncelery/3960709032/">here</a>, and <a href="http://www.flickr.com/photos/parsnipsncelery/3959935879/">here</a>. </span></span></span></span><br />
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<span style="font-family: Arial, sans-serif;"><span style="border-collapse: collapse; line-height: 14px;"><b>How we made it work:</b></span></span><br />
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<span style="white-space: pre;"><span style="white-space: normal;"><span style="font-size: small;"></span></span></span><span style="font-size: small;"><span style="font-family: Arial, sans-serif;"><span style="border-collapse: collapse; line-height: 14px;">Allison had cut a sample planes at half the size, 6"x6", we used for the final, 12"x12", to give us the opportunity to see how the planes needed to move in relation to each other. After determining that T-pins were an insufficient method of securing the dowels to the chipboard base, I suggested we use the sewing pins I happened to have at home. Someone had mentioned a desire to emulate a ball joint and I realized that I had the means by which we could accomplish that very thing.</span></span></span><br />
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<span style="font-size: small;"><span style="font-family: Arial, sans-serif;"><span style="border-collapse: collapse; line-height: 14px;">This is a close up of the pins inserted into the dowels. The base was a layer of chipboard with very small holes laser cut into it, and glued onto a layer of foam core. The pins pushed into the chipboard and on top of the foam created the secure, but perfectly functioning, ball joints.</span></span></span><span style="font-family: Arial, sans-serif;"><span style="white-space: pre;"><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrV98vipBX4-ychCQG3LZMKlM94Q-306eF9KCo22YZsax6KlgQycA2nI3xLymDF0fST3q0QOaRw4T6eQgS17FBTpIpGbyMUSWZyxZybhw-KgS_1SRkLp2F0axXjAMlkfuxjJFqa_CvswCc/s1600-h/DSC03755.JPG" imageanchor="1" style="clear: right; float: right; margin-bottom: 1em; margin-left: 1em;"><br />
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</a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrV98vipBX4-ychCQG3LZMKlM94Q-306eF9KCo22YZsax6KlgQycA2nI3xLymDF0fST3q0QOaRw4T6eQgS17FBTpIpGbyMUSWZyxZybhw-KgS_1SRkLp2F0axXjAMlkfuxjJFqa_CvswCc/s1600-h/DSC03755.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhrV98vipBX4-ychCQG3LZMKlM94Q-306eF9KCo22YZsax6KlgQycA2nI3xLymDF0fST3q0QOaRw4T6eQgS17FBTpIpGbyMUSWZyxZybhw-KgS_1SRkLp2F0axXjAMlkfuxjJFqa_CvswCc/s320/DSC03755.JPG" /></a><br />
</div><span style="font-family: Arial, sans-serif;"><span style="white-space: pre;">To keep the top plane from slipping down the dowels we wrapped a thick wire around the dowels in a lowercase t shape. The purpose of the upper plane was to guide the dowels in a parallel manner so that the direction of each dowel was the same as all other dowels.</span></span><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5JQpzpZySjfJ5_SJkzaPKOOX6LddKVqsMR2_1RQkMDvwNPNfcrOnIo3gShQWT3gytfAe7Xs5Xa_sKjvz38ArAelAw9wyTT1sHk6NLKpN3WeVq9qnKafKOrofqaK8x_Mv64Fo8Q44OezUs/s1600-h/DSC03771.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5JQpzpZySjfJ5_SJkzaPKOOX6LddKVqsMR2_1RQkMDvwNPNfcrOnIo3gShQWT3gytfAe7Xs5Xa_sKjvz38ArAelAw9wyTT1sHk6NLKpN3WeVq9qnKafKOrofqaK8x_Mv64Fo8Q44OezUs/s320/DSC03771.JPG" /></a><br />
</div><span style="font-family: Arial, sans-serif;"><span style="white-space: pre;">At first we attempted to use twine and thick rubber bands from Task 1. We found the rubber bands from our box were far to resistant to the strength of the servos we were provided. </span></span><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqPC38VZQKGNqLMN1-7n03xXYmL5o0TrSqlJklHfjtQ8v_uKcNj1ePdleGcwssaONt7uEAjOT0c459OQLxjmddFwaARhri3WbWAT4cTF6LPAvdzpdfTQ-sGrTbULduNbuGMd3X6YVehxiQ/s1600-h/DSC03775.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqPC38VZQKGNqLMN1-7n03xXYmL5o0TrSqlJklHfjtQ8v_uKcNj1ePdleGcwssaONt7uEAjOT0c459OQLxjmddFwaARhri3WbWAT4cTF6LPAvdzpdfTQ-sGrTbULduNbuGMd3X6YVehxiQ/s320/DSC03775.JPG" /></a><br />
</div><span style="font-family: Arial, sans-serif;">We used smaller rubber bands as a second iteration. We determined that attaching the servos, arduino, and rubber bands to a permanent structure, or two crossed, narrow wood pieces, would provide the stability needed to maintain the integrity of the design.</span><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsx-PwJLETc_lxic_aVEKoMm20HJLXbAYmF5GaTlMJG885HF5MHNqDNwtn-lomWlYy2oGHeNpIWipNFHs-qwp4Ke6sigrXGdshRgDwUGmdyXTtM0DhSb-m_-kenFBmms5L70yMP_BYVqyu/s1600-h/DSC03803.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgsx-PwJLETc_lxic_aVEKoMm20HJLXbAYmF5GaTlMJG885HF5MHNqDNwtn-lomWlYy2oGHeNpIWipNFHs-qwp4Ke6sigrXGdshRgDwUGmdyXTtM0DhSb-m_-kenFBmms5L70yMP_BYVqyu/s320/DSC03803.JPG" /></a><br />
</div><span style="font-family: Arial, sans-serif;">The final design was attached to a wooden "x." The intent of the attached curved "petals" was to emulate what we would have liked to achieve with more time. The reflector petals were to respond and open with the movement of the plane. We had figured out a simple mechanism of a string attached to a stationary point (one of the planes) and the petal to pull against a spring hinge (how the petals would be affixed to the dowels) on the petal. When the plane moved the string for the petal in the direction of the movement would tighten and pull against the spring of that petal. Effectively opening the petal. As the planes move to turn the petals, surrounding an LDR or solar collection device, toward a light source, the petals would open or close to focus the light on the collection device. For presentation we made a working model of the petal open/close mechanism, a digital project filed emulating the projected behavior, and taped the petals onto the dowels in the hopes that it would hold together long enough to run the device in presentation.</span><br />
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<span style="font-family: Arial, sans-serif;">I'd say it worked pretty well.</span><br />
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<span style="font-family: Arial, sans-serif;"><span style="white-space: pre;"><span style="white-space: normal;"><span style="font-size: small;">The servos were struggling a bit during the presentation and discussion. It may have been the force of the rubber bands over a much longer run time than we'd ever used in testing for functionality.<br />
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As for an analysis of group work this week- I feel like our group dynamics were great. I sincerely enjoyed working with everyone on the team. I really appreciate the effort we made to join as many of the group members' ideas into the final product without inhibiting function and purpose.</span></span></span></span>Damien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-25036848128822382672009-10-05T15:23:00.001-07:002009-10-13T17:49:50.838-07:00Task 4- Make a Smart Surface<span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">Friday during class we had a difficult time being able to come up with an idea, and not just a single idea, any idea that more than one of us could latch onto. We had a very difficult time having trains of thought that happened to stop at the same station for any measurable period of time. So, because we had such a trial in the brainstorming process, a couple of us met on Sunday to discuss some other ideas that had come up in idea development.</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">What we discussed:</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">Brieana had mentioned a desire to use the arduino to power a pump to inflate something, using inspiration of changing the elevation of buildings to protect the structures from frequent flood damage, i.e. homes in monsoon season. I had been interested in developing a surface similar to the lotus leaf, as we had discussed them in class that day. A lotus leave, while appearing smooth and hydrophilic at a faraway view, has a very intricate 3D microstructure on the surface that traps and uses the water to clean the surface as the droplets slide down the leaf to result in a "self cleaning" behavior. Thinking of a way to emulate a surface like that, and wanting to be able to have something that could change from a 3D surface to a 2D surface to result in a surface that behaves hydrophilically when in a 3D state, and hydrophobically in a 2D state. </span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">So, I combined Brieana's idea with mine, if we sized down the bubbles of her design, and connected them in a grid, essentially resulting in a bubble wrap style surface, we could potentially use that surface in many different applications.</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">When we met again today we discussed various combinations of everyone's ideas from Friday we actually came to the conclusion that a system of water inflated bubbles could potentially be used in many, many different ways. I felt much better about our discussion today. We had an achievable design that, as we discussed, was applicable in many of the same ways we'd wanted our previous ideas to be applied. We were also all able to be excited and happy about what we were discussing and planning. This was most definitely a vast improvement on how we'd worked on Friday.</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">So, in thinking of ways to utilize an arduino, I wanted to link to a number of blogs and forums that have different projects that have used arduinos to control the flow of water.</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;"><a href="http://www.practicalarduino.com/">Practical Arduino</a> is a really great blog for ideas. The author whose blog postings are the ones I've read, there are two authors as far as I've seen, has done a lot of interesting and practical projects with arduinos and I think will have a very strong relevancy to a great many of the things we'll be working on as the semester progresses.</span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;"><a href="http://users.design.ucla.edu/~acolubri/home/Solo/Biopsia/Biopsia.html">Biopsia Project</a> I found this website, that has several artistic collaboration projects listed, by searching arduino water pump on google. They used an arduino and a solenoid valve to control a water pump to drop droplets of water from the ceiling at a user determined rate. </span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">Some other water oriented topics I found in the Arduino Forum:</span></span><br />
</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;"><a href="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1235129804">Motion Activated Water Cannon</a></span></span><br />
</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;"><a href="http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1237559923">5-12V Water pump control problems</a></span></span><br />
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</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;">I also found this neat video of using an arduino and solenoids to bang out music on a surface</span></span><br />
</div><div><span class="Apple-style-span" style="font-family: arial;"><span class="Apple-style-span" style="font-size: small;"><span class="Apple-style-span" style="font-family: Arial, sans-serif; font-size: 10px; white-space: pre;"><object height="285" width="340"><param name="movie" value="http://www.youtube.com/v/g_hiz-Kx0kM&hl=en&fs=1&color1=0x006699&color2=0x54abd6&border=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/g_hiz-Kx0kM&hl=en&fs=1&color1=0x006699&color2=0x54abd6&border=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="340" height="285"></embed></object></span></span></span><br />
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</div>Damien Stonickhttp://www.blogger.com/profile/04554700668506147658noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-72739684076804698042009-09-30T15:01:00.000-07:002009-09-30T15:01:13.597-07:00Photo and Video Archive on FlickrSince I already had an existing Flickr account where I post pictures and video I take, I felt it was pertinent to have a Smartsurfaces specific set. I've been posting images from the past two weeks. <br />
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The link below is the set in which I've specifically uploaded images of projects from the class. I'm fairly positive I've allowed all content to be downloadable. If there's anything that any of you have difficulty in downloading or using, or even just something you'd like me to record and post, please let me know.<br />
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<a href="http://www.flickr.com/photos/parsnipsncelery/sets/72157622468356900/">Smartsurface Images</a><br />
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</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4KBMutgqEw56wNf9aWw5VN_c-tJIhb3ISbkMY2KQz9JW1vqzH7wHGpTEGKoqAwXS3ls6bKIiv31SWQYFmpgVzKuoxqCxFBnuB2JI8BD77pgbbydbVeMClfu5ZgktNy7B-QJWmvKrsdxs/s1600-h/DSC03735.JPG" imageanchor="1" style="clear: left; float: left; margin-bottom: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi4KBMutgqEw56wNf9aWw5VN_c-tJIhb3ISbkMY2KQz9JW1vqzH7wHGpTEGKoqAwXS3ls6bKIiv31SWQYFmpgVzKuoxqCxFBnuB2JI8BD77pgbbydbVeMClfu5ZgktNy7B-QJWmvKrsdxs/s320/DSC03735.JPG" /></a><br />
</div>This is just an example of some of the pictures I have taken, and will continue to take. This is the breadboard setup from the Heliotropic Light Tracker project from last week. We used six LDRs, three for each axis of movement, sending information to the respective servos.<br />
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The board is confusing, but using a single breadboard allowed us to localize all of the wires.<br />
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I will try to find the time to put accurate descriptions of what is included in the pictures and videos. This was, admittedly, not the most helpful or clear shot of the circuitry we used, and I will try to take much clearer and direct photos in the future.Damien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-25549368900767609112009-09-18T07:15:00.000-07:002009-09-18T07:16:18.939-07:00Assignment 1: Arduino Lessons<div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgQN6VLkDMuK16dwbvhrfjTNpHhyiOIVHD4pSQyfAaxwcz55eyf4pSHsxUIYb4FL8EoWK8p4iubSVVVDloToNkLl8G_OdNMMJsHdUY_W3P8NBc9dw15_p3NgIWov5rXuSDgIPyziO1sGc/s1600-h/DSC03647.JPG" imageanchor="1" style="clear: right; cssfloat: right; float: right; margin-bottom: 1em; margin-left: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhgQN6VLkDMuK16dwbvhrfjTNpHhyiOIVHD4pSQyfAaxwcz55eyf4pSHsxUIYb4FL8EoWK8p4iubSVVVDloToNkLl8G_OdNMMJsHdUY_W3P8NBc9dw15_p3NgIWov5rXuSDgIPyziO1sGc/s320/DSC03647.JPG" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_roDwjOEGUf4VbAOn3ELWyRc3-QZJ1XA8ibryBTeWF037MjgFfRBj9GnCs5Nenf8ynygQKyncKjSxZ8_JQ6ImzKF5SaVEcvqm2GeN8WEVYAsHJumnlVmJWr1UDsW1BYkKWUMuD03bunQ/s1600-h/DSC03635.JPG" imageanchor="1" style="cssfloat: right; margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_roDwjOEGUf4VbAOn3ELWyRc3-QZJ1XA8ibryBTeWF037MjgFfRBj9GnCs5Nenf8ynygQKyncKjSxZ8_JQ6ImzKF5SaVEcvqm2GeN8WEVYAsHJumnlVmJWr1UDsW1BYkKWUMuD03bunQ/s320/DSC03635.JPG" /></a><span style="font-family: Arial, Helvetica, sans-serif;">Arduino board with LED circuit assembly and lamp fixture over LED circuit. (I took video of the light sequence, and the lamp with tissue inside, but haven't figured out how to post the video. I will be doing that as soon as I figure it out. I also apologize for the poor formatting, I'm not familiar with the "blogger.com" functionality) </span><br />
</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: center;"><span style="font-family: Arial, Helvetica, sans-serif;"><br />
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</div><div class="separator" style="border-bottom: medium none; border-left: medium none; border-right: medium none; border-top: medium none; clear: both; text-align: left;"><span style="font-family: Arial, Helvetica, sans-serif;">I've had a little experience with C from my engineering 101 course, and circuit boards from my 100 course, so the processes of the tutorial were relatively easy to follow and complete. My lamp shade was the most time intensive portion, I've always enjoyed modular origami and constructed a dodecahedron (30pieces). I didn't have any tissue paper so I took some clean and unused toilet paper, seperated the two ply from each other, and stuffed them into the shade. My favorite projects are the ones that utilize the problem solving process synonomous with programming (breaking problems and processes into steps, and using a language to describe and achieve a solution), as well as being able to create something that has the potential to evolve. </span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">I'm very interested in being able to participate in the task today, centered around systems and the arduino boards. I also hope that no one expects me to be a crackerjack with programming, I haven't had much experience in programming, and no experience in these kinds of systems, and I don't really know what kind of expectation will be had of me. I am excited though.</span><br />
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</div>Damien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.com0tag:blogger.com,1999:blog-7093966954385030488.post-57208489547591272082009-09-18T07:02:00.000-07:002009-09-18T07:15:53.257-07:00Task 1: Sand Transport<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: small;">At some point soon I will add an about me section, explaining a little better who I am, why I decided to enroll in this course, and what I feel I have to offer. I have essentially no experience with blogging, and have always had a difficult time with keeping journals, so I sincerely hope that the content and validity of my observations improves as the semester, and projects, progress. I also apologize if the inclusion of project objectives is unneccessary </span><br />
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<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: small;">The first day of the course began with short talks by each of the three collaborating professors, Max Shtein (engineering), John Marshall(art and design), and Karl Daubmann(architecture). Each professor explained their interest in the collaborations that will be achieved through the course, as well as their ultimate interests and goals concerning the experience. </span><br />
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<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: small;">I will admit that of the three, I recall what Prof. Shtein spoke about the most clearly, as it was a lecture I'd heard most of already in the non-Smartsurfaces senior design course for the Materials Science department. I'm also keenly interested in solar energy, which was a primary focus of the talk. However, I did think a great deal, as Professors Daubmann and Marshall talked about the evolution of ideas, about how group members would be communicating. We were to be working in assigned groups, which will rotate each week for the first few weeks, with two engineer, two architecture, and two art and design students. I was excited to see how we would be interacting with each other as most everyone in the course seems to have at least some sort of technical experience, but from very different educational backgrounds. </span><br />
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<span class="Apple-style-span" style="font-family: Arial, Helvetica, sans-serif; font-size: small;">Task 1: as extracted from the course syllabus</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">I. Objectives</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;"></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">• Deposit sand in specified locations</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">• Use only the provided materials and tools</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">• Utilize a minimum number of steps / energy transfers</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">• Present the design and final mechanism (winning team gets a prize)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">• Teams judged on Efficiency, Durability, Economy, Spectacle / Delight of mechanism</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;"></span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">II. Deposit locations<br />
A given mass of sand starts out at a position 100 centimeters above the table; specified in<br />
Cartesian coordinates by (x0, y0, z0) = (0, 0, 100 cm). A fraction of this sand must be deposited in</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">paper cups positioned at 3 locations given by:</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">Location: Minimum Mass: Cut-off Time:</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">(x0, y0, z0) = (0, 0, 100) cm 100% of original mass 0 minutes (from start)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">(x1, y1, z1) = (0, 0, 100) cm 50% of original mass 5 minutes (from start)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">(x2, y2, z2) = (0, 60, 80) cm 50% of mass at (x1, y1, z1) 10 minutes (from start)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">(x3, y3, z3) = (40, 40, 60) cm 50% of mass at (x2, y2, z2) 15 minutes (from start)</span><br />
<span style="font-family: Arial, Helvetica, sans-serif;">(xm, ym, zm) = (150,150,150) m Maximum volume allowed for your system</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">Provided with cardboard sheets, duct tape, dowels, rubber bands, paper, wire, string, and paper clips, and commanded to adhere to the judging criteria-Efficiency, durability, economy, and spectacle/delight, we began to discuss as a group our ideas.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">The foremost thing I noticed about my group's interactions in the planning, development, and construction, was that everyone competed. We all had different suggestions for the means by which the sand would be moved. Everyone in the group, as well as the class, is very intelligent, but I still felt that everyone was trying to prove that their idea was the most valid and effective. It may have just been the personalities of the people in the group, but we didn't reach a consensus as to what needed to be done until after we'd all made what we thought would work as a component and had realized what didn't work. </span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">We learned that more productive planning, i.e. designating a purpose and parameter specifications for each individual's assignment, a team manager to keep track of time and to ensure that each person is indeed doing the right task, and more genuine communication- not endeavoring to assert individual correctness as opposed to working to create something that works as a group.</span><br />
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<span style="font-family: Arial, Helvetica, sans-serif;">I look forward to seeing how all the groups this next round interact after our experiences with Task 1.</span>Damien Stonickhttp://www.blogger.com/profile/15320990910881787719noreply@blogger.com0