tag:blogger.com,1999:blog-118838242024-03-13T17:51:14.588+00:00zero-waste blog...notes and discussion on the (debatably) emergent and (undebatably) urgent fields of:
(1)Sustainable, and;
(2)Open Source;
product design...Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.comBlogger346125tag:blogger.com,1999:blog-11883824.post-46175889989476523242017-01-17T12:47:00.001+00:002017-01-17T12:47:59.679+00:00<div dir="ltr" style="text-align: left;" trbidi="on">
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This site is now an archive. For current work, <a href="http://www.000111.co.uk/">go to the Zero One website</a>.</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-47018068653256014032016-04-25T16:13:00.002+00:002016-04-25T16:13:23.905+00:00Studio refit<div dir="ltr" style="text-align: left;" trbidi="on">
<a data-flickr-embed="true" href="https://www.flickr.com/photos/zero-waste/albums/72157667505043626" title="Studio 2016"><img alt="Studio 2016" height="500" src="https://farm2.staticflickr.com/1535/26036113923_ce4150c724.jpg" width="500" /></a><script async="" charset="utf-8" src="//embedr.flickr.com/assets/client-code.js"></script>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-51270614445747519632016-02-14T10:10:00.002+00:002016-02-14T10:10:45.297+00:00Unbox Caravan<div dir="ltr" style="text-align: left;" trbidi="on">
A few thoughts about my brief visit to the <a href="https://medium.com/the-unbox-caravan">Unbox Caravan</a>. This was a two week project (I dropped in for 5 days), hosted at The National Institute of Design (NID) in Ahmedabad, India. The project invited creatives from a range of disciplines to collaborate around a theme of 'connected communities'.<br />
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I have been moving around India since just before Christmas, visiting family mostly, plus a little holidaying. At each stop my accommodation has felt like a mini serai, so it was a pleasant surprise to find a real one in Ahmedabad.<br />
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On sound:<br />
Instead of taking photographs on this trip I have been recording sound. Some short snapshots, up to a minute long; some more like panoramas or portraits lasting up to an hour. I have found that it leads to a very different experience when travelling than that which one gets from carrying a camera. For one thing one soon forgets about the topic of photography at all - no longer subconsciously framing and debating what would make a good photo. Instead it is replaced with the equivalent in terms of sound! The good thing is that currently, there are many fewer options for interpreting and editing sound on the fly. So generally I have just been pressing record and waiting, whilst keeping one eye on the levels. And it makes you listen - not just while thinking about opportunities to record (Is this an interesting sound? Is it loud enough? Is this something I have heard before? Does it tell a story? Etc.) - but also while the thing is recording, that's when you actually start listening properly. Which I'm not sure happens with photography: you don't look harder whilst taking the picture, it's all too quick for that. You do the looking later, when you're at home editing, or showing the picture to your friends. It's because sound takes longer to record, because it is durational, that you actually can experience and document at the same time. Which I think makes it a great tool for ethnography on its own, that is, not in conjunction with the camera.<br />
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On the experience:<br />
In Ahmedabad, I was given plenty of opportunities to document sound - in the 5 days I had, we visited all sorts of makers, craftspeople, villages, shops, markets, not to mention the auto rides and the aviary that is the NID campus! I was also privileged to develop ideas with the other caravanners, particularly Gary, Sean and Jayne. As ever the people you work with comes down to lots of factors, luck being one, but, (and I'm looking for a thread here) I think all of us were concerned with interpreting what we were seeing/hearing, more than synthesizing anything terribly new. Which in itself is interesting. Many times during my 5 days I found myself comparing the event to a hackathon in my mind - it had that similar feel: positive, creative people finding common ground out of necessity and trying to create against a deadline. Only here the deadline was a really quite generous 2 weeks rather than 2 days. Yet this seemed much more challenging than any hackathon, which says more about hackathons that anything else. They generally have a bit more of a focussed brief for one thing, but also we rely so heavily on familiarity to function at a hack. And when that is removed, when you're dropped in a very different city amongst new people, my preference is really to absorb and interpret rather than synthesize and postulate. So I think that was a bit of a conflict for me, as I had come into the thing with the expectation to do (or help with doing) some postulating, and in the end for whatever reason, did not feel right doing it! Nonetheless, it is always interesting to grapple, and to help others do the same.</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-32721577624999504352014-02-14T15:04:00.000+00:002014-02-14T15:04:14.659+00:00artschool I/O<div dir="ltr" style="text-align: left;" trbidi="on">
This week we launched a new group for hackers and makers at GSA, called artschool I/O. Check out the public <a href="http://artschoolio.wikispaces.com/">wiki here</a>, which has a growing wealth of resources, both online and local.<br />
The group currently meets on a weekly basis - if you are at GSA and want to be kept up to date, join the Blackboard community <a href="https://vle.gsa.ac.uk/webapps/portal/frameset.jsp?tab_tab_group_id=_3_1&url=%2Fwebapps%2Fblackboard%2Fexecute%2Flauncher%3Ftype%3DCourse%26id%3D_2101_1%26url%3D">here</a> (you'll need to be logged in).</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-51396858706223691772014-01-09T17:27:00.000+00:002014-01-09T17:27:02.901+00:00Arduino and Processing Coding Cheatsheets<div dir="ltr" style="text-align: left;" trbidi="on">
I made these cheatsheets for myself and for sharing - can be <a href="http://www.scribd.com/doc/197794388/Arduino-Processing-Coding-Cheatsheets">downloaded here</a>, or viewed below:<br />
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<a href="http://www.scribd.com/doc/197794388/Arduino-Processing-Coding-Cheatsheets" style="text-decoration: underline;" title="View Arduino/Processing Coding Cheatsheets on Scribd">Arduino/Processing Coding Cheatsheets</a> by <a href="http://www.scribd.com/roymshearer" style="text-decoration: underline;" title="View roymshearer's profile on Scribd">roymshearer</a></div>
<iframe class="scribd_iframe_embed" data-aspect-ratio="1.41444270015699" data-auto-height="false" frameborder="0" height="600" id="doc_82954" scrolling="no" src="//www.scribd.com/embeds/197794388/content?start_page=1&view_mode=scroll&access_key=key-1684fgtr9n0nct20qxtf&show_recommendations=true" width="100%"></iframe></div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-3466488278050889992013-10-14T09:33:00.003+00:002013-10-14T09:33:49.013+00:00Setting up a Raspberry Pi<div dir="ltr" style="text-align: left;" trbidi="on">
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<a href="http://www.maklab.bigcartel.com/product/setting-up-pi"><img border="0" height="400" src="http://images.cdn.bigcartel.com/bigcartel/product_images/125601318/max_h-1000+max_w-1000/Setting_Up_Pi2.jpg" width="281" /></a></div>
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Still some places left on tomorrow's MAKlab workshop! Click the image for booking.</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-72643211959072609162013-10-11T12:14:00.000+00:002013-10-11T12:14:23.470+00:00Laser engraved and painted signage instructable<div dir="ltr" style="text-align: left;" trbidi="on">
I just put up an Instructable describing the production method for the Tchai Ovna sandwich boards <a href="http://www.instructables.com/id/EPLCC9KHMMF7V4P/">here</a>.</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-76537927325923944242013-10-08T15:37:00.003+00:002013-10-11T12:14:48.691+00:00Tchai Ovna sandwich boards<div dir="ltr" style="text-align: left;" trbidi="on">
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I was commissioned to make new sandwich boards for the <a href="http://www.tchaiovna.com/">Tchai Ovna</a> House of Tea, a business which I have been orbiting and landing at in various forms all the time I've been in Glasgow..<br />
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For these we went for a method of painting that would allow me to do a batch of 6 panels as easily and efficiently as possible, whilst providing a very high finish. Whilst I'd like to learn hand brushed calligraphy for signwriting, I've not done it yet! So here we have 6 panels of 18mm spruce ply, laser engraved by <a href="http://www.fluxlaserstudio.co.uk/">Flux Laser Studio</a> to 2mm depth, back filled with acrylic paint in 3 different colours, and then sanded back to reveal the sharp edges of the engraving. This is a method I learnt from the students in Dundee, clever chaps. They were then finished with wood preserver and yacht varnish, plus galvanised and stainless steel fixings. Not shown here, I gave the feet of the panels some little inner tube rubber booties, to repel the puddles..<br />
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The lasering process means the layout is on file and the boards can be reproduced very easily when they inevitably reach the end of their life or are half inched by the west end student contingent, of which I am a proud alumni!</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-81779732145392775202013-09-19T16:58:00.002+00:002013-09-19T16:58:50.993+00:00Learn to use Terminal!<div dir="ltr" style="text-align: left;" trbidi="on">
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-54990782434660830342013-09-18T16:15:00.003+00:002013-09-18T23:26:28.631+00:00Big N for Nilk<div dir="ltr" style="text-align: left;" trbidi="on">
Last week was Nilk, the finest day of music and arts to be had in Dundee's Botanic Gardens. I was asked to make a big decorative N for the event - I ended up making one inspired by box kites, to be hung from a tree. Here it is rigged up in the courtyard of the studios:<br />
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The form is a bit of a geometric fun: the N is viewable from both the front and below, thanks to Rhinoceros, Boolean intersections and the UnrollSrf command, which can lay out all faces of a 3D object flat for you to make cutting patterns from!</div>
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The thing is constructed out of ripstop nylon offcuts (from the magnificent <a href="http://www.glasgowplay.org.uk/playschemes/">GPA</a>) and bamboo stakes (from the gardening shop), sewn and cable-tied together, plus a little insulation tape. Many thanks to <a href="http://www.fergusdunnet.weebly.com/">Fergus </a>for his advice here, I'd never have guessed that insulation tape sticks so well to bamboo and not to nylon! </div>
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I couldn't make it up there for the day sadly, so I made an Instructable as installation instructions <a href="http://www.instructables.com/id/How-to-Assemble-my-Big-N-for-Nilk-at-the-Botanics">here</a>.<br />
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Another photo instructable gives an account of the making of <a href="http://www.instructables.com/id/Making-the-Big-N/">here</a>.<br />
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Some more photos from the installation:<br />
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-87478980425157838172013-09-18T16:00:00.000+00:002013-09-18T16:00:02.199+00:00Upcoming workshops at MAKlab<div dir="ltr" style="text-align: left;" trbidi="on">
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Some new workshops we (Myself, Aziz and Delphine) are coordinating at <a href="http://www%2Cmaklab.co.uk/">MAKlab </a>over the next few weeks, including Using the Terminal in OSX and linux, Have a Go at 3D Printing, Make Robot Bug and Toy Hacking workshops!<br />
Check them out at <a href="http://www.maklab.bigcartel.com/">http://www.maklab.bigcartel.com/</a></div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-37206779320297389182013-09-02T02:24:00.000+00:002013-09-02T02:50:20.101+00:00The Den<div dir="ltr" style="text-align: left;" trbidi="on">
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I was asked by theatre maker <a href="http://playgroundsouthlan.wordpress.com/">Jen Edgar</a> to help her refresh the Sensory Room in Calderside Nursery, South Lanrakshire, where Jen was doing a residency in 2012-2013. It was a great experience, a very interesting project involving lots of den making, mocking up environments for the kids to try out, trying to understand what they made of it, and then wrestling with lots of fabric, an overactive heating system, and a little electronics to make the finished sensory room: The Den. The result is a much more welcoming and curiosity piqueing room, with a custom sound track by <a href="http://www.scotttwynholm.com/">Scott Twynholm</a>, and a big button that the babies can press to trigger sounds themselves on the immersive sound system. Lots of sewing and laser etched signs from me, as well as building some furniture and specifying electronics, on a very tight budget.</div>
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Here's the team, me failing to look at the camera.</div>
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Above photos by Neil Thomas Douglas</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-41773319744838480812013-09-02T02:05:00.001+00:002013-09-02T02:05:55.381+00:00Tutoring Services: Arduino @ GSA<div dir="ltr" style="text-align: left;" trbidi="on">
In January 2013 I consulted as an <a href="http://www.arduino.cc/">Arduino </a>tutor at the <a href="http://www.gsa.ac.uk/">Glasgow School of Art</a>. I provided some refresher tuition and project guidance for 3rd year Product Designers there. The teaching materials are viewable <a href="https://drive.google.com/folderview?id=0B8rm99SdQkYgQ2ltd2xZODhIdTQ&usp=sharing">here</a>.<div>
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The project the students worked on was based around sound, and there were some great ideas being worked on. Most involved PIR sensors triggering sounds from a laptop (despite my attempts to discourage this for the absolute beginners). We mostly did this using the keyboard hack I described <a href="http://zero-waste.blogspot.co.uk/2013/01/using-tilt-switch-to-play-audio-file.html">here</a>. My favourite projects as ever were the mechanical ones however..</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-13347801277522605202013-09-02T01:55:00.003+00:002013-09-02T01:55:37.055+00:00Ling's Meadow<div dir="ltr" style="text-align: left;" trbidi="on">
Logo design for my sister in law's campsite, <a href="http://lingsmeadow.co.uk/">Ling's Meadow</a>! I'm also making a stamp to go with this.<br />
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-40486150034187364232013-09-02T01:50:00.000+00:002013-09-02T01:50:38.679+00:00Yarla and the Winter Wood<div dir="ltr" style="text-align: left;" trbidi="on">
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Here are some production shots from Yarla and the Winter Wood, a touring theatre production for 0 - 3 year olds, for which I did the set design and build, and some prop making. You can <a href="http://yarlawinterwood.wordpress.com/2013/05/22/5/">read more about the production here</a>, which was made by <a href="http://playgroundsouthlan.wordpress.com/">Jen Edgar</a> for <a href="http://www.starcatchers.org.uk/things-to-do/yarla-and-winter-wood">Starcatchers</a>. Many thanks to <a href="http://fergus-dunnet.weebly.com/">Fergus Dunnet</a> for his hard work, particularly in scenery painting.</div>
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We used a lot of found items for the props in this, and the trees themsleves are carpet tubes from Victoria Road carpets (thanks go to them). The brief was to design a flexible set that could be reconfigured as the venue allowed (venues ranged from libraries, to nurseries, to theatres), and be mountable and demountable in 2 hours. The entire set fitted in a transit van and was handleable by the touring company of 3. There are lots of great photos from the development on <a href="http://playgroundsouthlan.wordpress.com/">Jen's blog here.</a></div>
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Above photos by Neil Thomas Douglas</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-84302886984321209562013-09-02T01:20:00.000+00:002013-09-02T01:24:21.503+00:00Totem plinths - design & build<div dir="ltr" style="text-align: left;" trbidi="on">
In September 2012 I designed and built a plinth system for the I Am Seeing Things exhibition at the Talbot Rice gallery in Edinburgh. This was an exhibition linked to the <a href="http://talesofthings.com/">ToTEM </a>project I was <a href="http://zero-waste.blogspot.com/search/label/totem">previously involved in</a>, and included a seminar marking the end of the project. The brief was to produce a 3D pixelated system, of modular construction (read <a href="http://en.wikipedia.org/wiki/Voxel">voxels</a>), including several interactive cubes, containing monitors and the same tech as the <a href="http://zero-waste.blogspot.com/search/label/totem">previous ToTEM readers</a>.<br />
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Construction was done in expanded polysterene, and selected voxels in MDF, all clad in white or grey melamine, placed on plywood bases.<br />
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This was a collaboration with the Product Research Studio in Dundee DJCAD, with especially thanks to Sean Kingsley there. Laser cutting (circa 500 melamine panels!) was done by me at <a href="http://www.maklab.co.uk/">MAKlab</a>. Here are some photos of the results from around Twitter:<br />
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Upon delivery, prior to construction - photo by @chrisspeed</div>
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photo by @ileddigital</div>
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5th dimensional camera by <a href="http://superflux.in/">Superflux </a>- photo by @digitalurban</div>
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photoBot by <a href="http://tommydykes.com/">Tommy Dykes</a> - photo by @digitalurban</div>
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Interactive reader cube, front of picture - photo by @ileddigital</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-49770044477945167242013-08-07T01:26:00.000+00:002013-08-07T01:26:51.192+00:00Sing for your Stitches<div dir="ltr" style="text-align: left;" trbidi="on">
I had a great weekend some weeks ago at <a href="http://www.welcometosync.com/hack/">Culture Hack Scotland 2013</a>, my second Culture Hack. I worked with <a href="https://twitter.com/iheartmyroof">Jude Wylie</a>, <a href="http://dstitch.blogspot.co.uk/">Deidre Nelson</a> and the amazing <a href="http://theamazingrolo.net/">Yann Seznec</a>, plus with a little help from <a href="http://www.markcra.com/">Mark Craig</a> we successfully hacked a sewing machine into a voice operated one! Sync wrote a lovely article about it <a href="http://www.welcometosync.com/sing-for-your-stitches/">here, where there is also a wee video</a>. We were inspired by <a href="http://www.hannatuulikki.org/">Hanna Tuulikki</a>'s <a href="http://awaywith-thebirds.tumblr.com/">Away With the Birds</a>.<br />
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<a href="http://www.welcometosync.com/wp-content/uploads/2013/07/Screen-Shot-2013-07-16-at-17.45.17.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" height="213" src="http://www.welcometosync.com/wp-content/uploads/2013/07/Screen-Shot-2013-07-16-at-17.45.17.png" width="320" /></a></div>
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image by Chris Scott</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-31046096984826124092013-08-02T01:31:00.004+00:002013-08-07T23:49:06.842+00:00Fab Academy: Final Project<div dir="ltr" style="text-align: left;" trbidi="on">
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An interactive mammoth toy - a modern update of a classic kids' model</div>
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I started out by planning specifically which how to split up my dinosaur kit into differentelectronic system components. I decided to use the mammoth as a prototype, and studied the shapes of all the parts available and where would make most sense to place, the input, outputs, microcontroller and batteries. This was a more complex process than I had imagined, as the number of connections between each of these components has to fit with the number of physical connections on the host 'bone' of the mammoth. Furthermore, each connection has to make two electrical connections: ground and live. So I set about trying to work out a simple way of achieveing this, coming up with a system of wirefixed into holes in the ply wood and running through the slots where the bones fit together:<br />
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I then designed my board. I decided to keep things simple, and let the input be a tilt switch and the outputs being some flashing LEDs for the eyes of mammoth. Thus I started with the hello world board with button and LED, and pulled out these components and built in pads such that these could be easily connected to the inter-bone connectors. I also wanted the thing to run off batteries, so put in a small board for a regulator should it be needed. The total list of boards was thus 1 controller board, 1 regulator board and 2 LED boards. Here is the EagleCAD <a href="http://academy.cba.mit.edu/2013/students/shearer.roy/dinoswithlaserbeams.brd">board</a> and <a href="http://academy.cba.mit.edu/2013/students/shearer.roy/dinoswithlaserbeams.sch">schematic</a>.</div>
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<a href="http://farm4.staticflickr.com/3824/9417070015_0d9a060e8a_o.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="http://farm4.staticflickr.com/3824/9417070015_0d9a060e8a_o.png" /></a></div>
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There's a typo above, that should be a 499 Ohm resistor next to the LED, not 499K Ohm.</div>
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Here is the cutting layout:</div>
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Milling the board was straightforward. Populating them was a little trickier as I'd kept everything quite small and tight, and soldering wires onto the pads leading to the connectors was particularly tricky. A through hole arrangement would work better, or using some low profile terminals of some sort.</div>
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Here is the finished circuit laid out on a wooden board temporarily:</div>
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Here is one of the LED boards ( to be eyes), with a correcting 499Ohm resistor soldered on top of the too large one!:</div>
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Here is the very small controller 'brain'</div>
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And here is the tilt switch to be mounted on a leg:</div>
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I had a bit of a hard time programming the board until I realised I didn't need to worry about serial ports for this - I was confused as one wasn't showing up, but hadn't realised that this does not happen when using the programmer alone. The code was made in Arduino, here it is:</div>
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/*</div>
<pre style="background-color: #f4f4f4; border: 1px dotted rgb(153, 153, 153); color: #666666; font-family: 'Courier New', Courier, monospace; font-size: 0.85em; line-height: 20.79166603088379px; padding: 2px;">The circuit:
* LED attached from pin 8 to ground
* pushbutton attached to pin 7 from +5V
created 2005
by DojoDave <http: www.0j0.org="">
modified 30 Aug 2011
by Tom Igoe
This example code is in the public domain.
*/
// constants won't change. They're used here to
// set pin numbers:
const int buttonPin = 7; // the number of the pushbutton pin
const int ledPin = 8; // the number of the LED pin
// variables will change:
int buttonState = 0; // variable for reading the pushbutton status
//#include <softwareserial .h="">
//#define rxPin 0
//#define txPin 1
// set up a new serial port
//SoftwareSerial mySerial = SoftwareSerial(rxPin, txPin);
void setup() {
// initialize the LED pin as an output:
pinMode(ledPin, OUTPUT);
// initialize the pushbutton pin as an input:
pinMode(buttonPin, INPUT);
digitalWrite(buttonPin, HIGH);
// Open serial communications and wait for port to open:
// mySerial.begin(4800);
// mySerial.println("Hello, world?");
}
void loop(){
// read the state of the pushbutton value:
buttonState = digitalRead(buttonPin);
//mySerial.println(buttonState);
// check if the pushbutton is pressed.
// if it is, the buttonState is HIGH:
if (buttonState == HIGH) {
// turn LED off:
digitalWrite(ledPin, LOW);
}
else {
// flash LED on:
digitalWrite(ledPin, HIGH);
delay(500);
digitalWrite(ledPin, LOW);
delay(500);
}
}</softwareserial></http:></pre>
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I rigged up the circuit with a power supply and it worked fine, but with a 3v button battery it seemed to struggle. I thus decided to use two button batteies and a 3.3v regulator, which produced good results. In order to save battery I also put in a slide switch so that the user can switch off the curent to the regulator when not in use. Here is a video of the sensor temprarily rigged to a draft mammoth, and the prototype connectors:</div>
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Finally I got onto the laser cut mammoth itself. i had to clean up the file that I'd started with, so largely redrew it in Illustrator to make the slots much more consistent and reliable. I then had to add in some holes and engraving details so that the wire could be embedded into the ply for the connection points. I did this in Rhinoceros, as it is way better for doing things that are not strictly orthogonal! <a href="http://academy.cba.mit.edu/2013/students/shearer.roy/3_2mm%20mammoth2%20revF.svg">Here is the final layout as a .svg</a>.</div>
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I then got onto cutting, and made a series of teests to ensure the fit was just right with the thickness of ply I was using (3.2mm).</div>
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When I was happy with this, I went for a full cutting layout, assembled the mammoth and went about embedding the wire connections into each piece, and fitting the electronic parts to the appropriate pieces, using doublsided foam and hot glue to fix things in place. This took a wee while.</div>
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And here's a video of the finished product working!</div>
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Download all the source documents as a .zip <a href="http://academy.cba.mit.edu/2013/students/shearer.roy/interactivemammoth.zip">here</a>.</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-43729151508495314182013-07-30T23:21:00.001+00:002013-07-30T23:22:46.724+00:00Some fruit of today's labour<div dir="ltr" style="text-align: left;" trbidi="on">
<div dir="ltr" style="text-align: left;" trbidi="on">
a wee Processing effort from the Hack'n'chat with Ira Greenberg in Dundee today:<br />
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<iframe frameborder="0" height="440" scrolling="no" src="http://www.openprocessing.org/sketch/104845/embed/?width=640&height=360&border=true" width="668"></iframe></div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-52402665284434746452013-07-22T20:34:00.000+00:002013-07-22T20:34:42.841+00:00Frog on Industrial Design<div dir="ltr" style="text-align: left;" trbidi="on">
Tom put me on to this <a href="http://www.core77.com/blog/videos/industrial_design_in_the_modern_world_short_doc_exclusive_interview_with_frog_creative_director_jonas_damon_25242.asp">great film from Frog Design and unusually good interview </a>(for Core77) with Jona Damon of Frog. I'll embed the film below, but do click through to the interview as Damon's thoughts on the few bits of Rams' 10 principles that may no longer be so relevant, make very interesting reading.<br />
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<iframe allowfullscreen="" frameborder="0" height="300" mozallowfullscreen="" src="http://player.vimeo.com/video/69897436?title=0&byline=0&portrait=0" webkitallowfullscreen="" width="400"></iframe>
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PS. Annoyingly I can no longer use my 'design thinking' tag for stuff like this as it has been usurped by a <a href="http://en.wikipedia.org/wiki/Design_thinking">less obvious and more irritating meaning</a> (for which I think 'designer thinking' would be a better term). So will think of a new tag.</div>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-37713683945428279332013-07-21T19:46:00.003+00:002013-07-21T19:46:55.708+00:00Fab Academy: Interface and Application Programming<div dir="ltr" style="text-align: left;" trbidi="on">
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I used Anna's example 1 <a href="http://www.as220.org/fabacademy/tutorials/interface_application_programming_processing.php">here</a> as a basis for exploring some interface design using my input boards - the light sensor and temperature sensor. The example worked pretty much out of the box and was well commented so was a good way to understand some Processing - I had to edit the code initially to ignore sensor values below 10 (it seemed to spit out a proper reading every fourth time, and these small values the rest of the time). This was already in the code to a certain extent - it didn't draw a line for those values, but it did cycle onto the next column for them, so the result was an unsatisfying sparse bar graph, rather than a nice band of colour. All I had to do to rectify this was move the part of the code that moves into the next column</div>
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<br />
<pre style="background-color: #f4f4f4; border: 1px dotted rgb(153, 153, 153); color: #666666; font-family: 'Courier New', Courier, monospace; font-size: 0.85em; line-height: 20.79166603088379px; padding: 2px;"> col = col+1;</pre>
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into the if statement that ignores the small values and draws a vertical line:<br />
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<pre style="background-color: #f4f4f4; border: 1px dotted rgb(153, 153, 153); color: #666666; font-family: 'Courier New', Courier, monospace; font-size: 0.85em; line-height: 20.79166603088379px; padding: 2px;"> //if the serial values are greater than 10
if (height > 10) {
//draw a line that increases / decreases based on sensor output.
//adjusted for sensor values.
col = col+1;
if (col > 1024) {
col = 512;
}</pre>
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I then edited the code so that rather than printing out vertical lines in a band across the screen, the program draws ellipses. These change shape according to the values from the sensor, and colour according to these values too, as well as time.</div>
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Here is the key bit from the code for what I eventually settled on:</div>
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<pre style="background-color: #f4f4f4; border: 1px dotted rgb(153, 153, 153); color: #666666; font-family: 'Courier New', Courier, monospace; font-size: 0.85em; line-height: 20.79166603088379px; padding: 2px;"> stroke(255-height, col/4, height, height);
fill(255-height, col/4, height, height);
ellipse(512, 512, 3*height, 3*(255-height));</pre>
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where height is the name of the variable that the sensor reading is read into.<br />
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My friends Mark and Nathan also showed me how to use some transparency to great effect. The last of the arguments after stroke and fill there corresponds to transparancy, which I also made equal to the sensor reading ('height').<br />
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<iframe allowfullscreen="" frameborder="0" height="315" src="//www.youtube.com/embed/Z2r1LSvGKRY" width="560"></iframe><br /></div>
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Here's the full Processing sketch:</div>
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<pre style="background-color: #f4f4f4; border: 1px dotted rgb(153, 153, 153); color: #666666; font-family: 'Courier New', Courier, monospace; font-size: 0.85em; line-height: 20.79166603088379px; padding: 2px;">/**
* Serial Input to Randomly Colored Lines
*
* Read data from the serial port and changes the color of a lines drawing
* across the screen the height of the lines changes relative to the values
* recieved from the sensor.
*
* written by Shawn Wallace
* updated / commented by Anna Kaziunas France
*/
import processing.serial.*;
Serial serialPort; // Create object from Serial class
int col = 512; //starting point for the lines on the screen
void setup() {
size(1024, 1024); //set window size
background(0); //set background color to black
stroke(255); // set stroke to white
smooth(); //smooth out the lines
// I know that the first port in the serial list on my mac
// is always my FTDI adaptor, so I open Serial.list()[0].
// On Windows machines, this generally opens COM1.
// Open whatever port is the one you're using.
println(Serial.list());
serialPort = new Serial(this, Serial.list()[0], 9600);
}
void draw() {
//if there is data comming in from the serial port
while (serialPort.available () > 0) {
//set the variable height equal to the data comming in.
int height = serialPort.read();
//to draw rows across the screen in columns
//then wrap back to other side of the screen
//if the serial values are greater than 10
if (height > 10) {
//draw a line that increases / decreases based on sensor output.
//adjusted for sensor values.
col = col+1;
if (col > 1024) {
col = 512;
}
fill(0,0,0,10);
rect(0,0,1024,1024);
stroke(255-height, col/4, height, height);
fill(255-height, col/4, height, height);
ellipse(512, 512, 3*height, 3*(255-height));
//line(col, (height-125)+512, col, 512-height);
//line(1024-col, (height-125)+512, 1024-col, 512-height);
println(height); //print the values read from the serial port to the console
}
//EXPERIMENT WITH THE VISUALIZATION BELOW
//currently draws random strokes for the full range of color
}
}</pre>
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-26663821017434252012013-07-21T18:29:00.001+00:002013-08-07T00:50:16.107+00:00Fab Academy: Computer Controlled Machining<div dir="ltr" style="text-align: left;" trbidi="on">
Following on from the cutting layouts that generated previously, I routed out numerous parts for the set for Yarla and the Winter Wood - namely the bases and branches for 11no. 2.4m trees. The trunks of the trees were made from cardboard tubes, the sort that carpets are rolled around for delivery.<br />
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I imported the layouts in .dxf format into VCarve Pro. In this I generated cutting paths for the large router table that I would be using. I used my own 1/4" router bit, and used the speed settings recommended by the lab. From this I exported a .nc file of Gcode.<br />
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At the router table, we made sure it was swept clean, and screwed a 12mm ply sheet to the sacrificial sheet below. This router table has a vacuum bed, which keeps the sacrificial sheet down, but one still needs to secure the cutting sheet on top of this as the vacuum does not extend above the sheet! For each cutting layout I took care to measure of the layout and mark on the sheet safe zones for screwing near to each corner, so that the router head would not risk hitting any screws.<br />
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On the first attempt at cutting we quickly broke my router bit. it turns out that the bit I had was longer (25mm) than that which the setting we used were for (about 15mm), hence the feedrate was too fast for it. I switched to the shorter length bit, used the override function in the control software to cut at 70% speed, and had no further problems.<br />
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When importing Gcode from VCarve into our cutting software, we must delete the first two lines. Other than that, the software is very straightforward, and I made used of the simulation playback, to check that the job was setup correctly before commencing. In all I cut a lot of parts for the trees out of 3no. 12mm birch ply sheets in about 3 hours.<br />
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The slot together construction worked surprisingly well, with 12.1mm slots, creating a good snug fit. All the parts required a quick sanding on both sides to remove skelfs.<br />
I found that a good way to separate the routed pieces from theirs tabs onto the board was using wome wire snips.<br />
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-67524422972922128922013-07-21T18:21:00.000+00:002013-08-07T00:50:00.388+00:00Fab Academy: Computer Aided Design<div dir="ltr" style="text-align: left;" trbidi="on">
I recently made some artificial trees for a theatre production, <a href="http://www.starcatchers.org.uk/things-to-do/yarla-and-winter-wood">Yarla and the Winter Wood for Edinburgh</a> baby-theatre company, Starcatchers. The bases of these were CNC routed on our 8' x 4' bed from 12mm plywood. Here is how I went about generating the drawings for that.<br />
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First there were a few iterations prototyped by hand, using pencil and paper, and some 20mm blockboard that I had leftover in my studio. Because the trees are designed to tilt during the performance, the bases required a little bit of mechanical engineering. </div>
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When I was happy with the design, I transferred to Solidworks, a solid modelling program. In that I drew out each part to be routed and put together an assembly to test that the geometry fitted, and that the tilting would behave as desired. I then used the drawings module of Solidworks to generate 2D drawings from projections of the 3D parts. I then exported a .dxf file from Solidworks into Illustrator for checking and nesting the required number of parts into the outlines of the 3no. 8' x 4' sheets that I would be using.<br />
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Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-87365838207034350812013-07-11T14:48:00.003+00:002013-07-11T14:48:56.707+00:00Fab Academy: Invention, Intellectual property, and Income<div dir="ltr" style="text-align: left;" trbidi="on">
I am a keen participant in open design culture so as such will distribute my final project as a fully open product, so that others may easily collaborate in its development. As the designs we already have for the dinosaurs were gleaned from CNC forums, it is unclear if they are under any license. Certainly they do not have any license information in the files themselves (this could of course have been removed by previous sharers). The raptor in particular appears to be quite a complex kit, implying that it might have once been a proprietary design. I plan therefore to not use that particular dinosaur design (there are probably too many parts to consider in any case), and to continue with the others. I anticipate that these designs will be used as a starting point in any case, and that the final designs will have undergone numerous changes.<br />
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In my experience the key barrier to actually achieving a collaborative open project, is in nurturing a community of users around the product. To this end, platforms like Instructables, Make and Thingiverse can help in getting your project seen and criticised. However, I have been quick to use these early on in the development process before, and found that my energy and interest in the project has waned before having achieved much collaboration with others. Indeed my most successful in this respect has been the first fully open product that I published, the <a href="http://www.instructables.com/id/Ten-Green---modular-shelving/">Ten Green shelving</a>, which was essentially a finished product when published.<br />
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So, my intentions will be develop the dinosaur kit to a basic finished level before promoting online, if only to make most efficient use of my time, and others' attention spans. In terms of income, I am happy to make some from markups on kits that I sell. However I would only be able to make them cost efficient if making a batch, so if I gauge that there is interest in buying kits, I will look at instigating pre-orders or a crowd funding project, or take orders from craft retailers in Glasgow. The kit may well also make a good basis for workshops that I can deliver in the future, providing some income, as well as educational and social benefit to the participants as a means of experiencing digital fabrication.</div>
Anonymoushttp://www.blogger.com/profile/07899791233099847209noreply@blogger.com0tag:blogger.com,1999:blog-11883824.post-49838436644991206742013-05-15T01:42:00.002+00:002013-07-11T17:05:22.612+00:00Fab Academy: Applications and Implications<div dir="ltr" style="text-align: left;" trbidi="on">
Here is my project plan for my Fab Academy project: Interactive Dinosaur Kits<br />
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<h4 style="text-align: left;">
what will it do?</h4>
I am going to make a modular toy dinosaur kit incorporating some electronic behaviours. The kit is for 8-10 year olds and will allow them to freely construct their own dinosaurs, mixing body parts as they wish. The dinosaurs will be made by slotted ply construction, and copper vinyl at the interfaces will act as an electrical conduit between different body parts. Each body part will contain one element of the electrical circuit: one or more inputs, one or more outputs, processor, or power supply. For the prototype I will attempt to use 3 tilt sensor inputs and 2 LED outputs, and work onward to an additional output triggering an MP3 module, to play dinosaur sounds.<br />
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<h4 style="text-align: left;">
who's done what beforehand?</h4>
The principle of the kit owes a great deal to the classic dinosaur kits of my youth, as well as on the electrical side of things, Ayah Bdeir's <a href="http://littlebits.cc/">Littlebits</a>, and Yuri Suzuki's <a href="http://yurisuzuki.com/works/denki-puzzle/">Denki puzzles</a>. All of these examples brilliantly capture my aim of producing a simple, fun, educational kit, very elegant in presentation such that young minds can freely explore both the possibilities and constraints of a puzzle like kit, as well as simple electronic theory and ending up with a cool dinosaur at the end too.<br />
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<h4 style="text-align: left;">
what materials and components will be required?3mm Laser ply,</h4>
Copper vinyl,<br />
Components for hello world board<br />
3 tilt sensor inputs<br />
2 LED outputs<br />
MP3 module<br />
Batteries<br />
<br />
<h4 style="text-align: left;">
where will they come from?</h4>
</div>
<div>
3mm Laser ply - lab stock<br />
Copper vinyl - <a href="http://www.techsoft.co.uk/products/materials/knife-cutting/cutronic-foil-pcbs.asp">Techsoft</a><br />
Components for hello world board - lab stock<br />
3 tilt sensor inputs - <a href="http://www.rapidonline.com/Electronic-Components/Low-cost-non-mercury-tilt-switches-33901">Rapid online</a><br />
2 LED outputs - lab stock<br />
MP3 module - <a href="http://www.embeddedadventures.com/soundout_wtv020_module_mod-1007.html">Embedded Adventures</a><br />
Batteries - my stock<br />
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<h4 style="text-align: left;">
how much will it cost?
</h4>
3mm Laser ply, £5<br />
Copper vinyl, £6<br />
Components for hello world board, £3<br />
3 tilt sensor inputs, £2<br />
2 LED outputs negligible<br />
MP3 module £16<br />
Batteries £1<br />
TOTAL: £33</div>
<div>
<br />
<h4 style="text-align: left;">
what parts and systems will be made?
</h4>
Physical dinosaur body parts (kit of)
<br />
One controller board, based on Hello World
<br />
Battery holder
<br />
Copper vinyl contacts </div>
<div>
<br />
<h4 style="text-align: left;">
what processes will be used?
</h4>
Physical dinosaur body parts (kit of) - CAD and laser cutting
<br />
One controller board, based on Hello World, - milling, electronics production, programming
<br />
Battery holder - 3D printing or resin cast from CNC milled master
<br />
Copper vinyl contacts - CNC vinyl cut or handcut </div>
<div>
<br />
<h4 style="text-align: left;">
what tasks need to be completed?
</h4>
Design and develop body parts from templates,
<br />
Test and develop slotting together using copper vinyl,<br />
Develop integration of electronic components into body parts,<br />
Design main circuit board,<br />
Produce main circuit board,<br />
Laser cut body parts,<br />
Assemble electronic components with body parts,<br />
Write code and upload to board,<br />
Test first assembly<br />
Iterate onwards, incorporating sound output.</div>
<div>
<h4 style="text-align: left;">
what questions need to be answered?
</h4>
What electrical implications are there for separating the various electronic components and what happens in all the combinations that they might be connected? Do those constraints fit with the pysical/geometric constraints of the kit/puzzle? </div>
<div>
<br />
<h4 style="text-align: left;">
what is the schedule?
</h4>
As I am short of time anyway in the next few weeks, I am considering concentrating on completing previous week's assignments and tackling the final project after the course ends, in order to make the most of the tutor contact time I have remaining. This may well be ill conceived, in any case the general schedule will be:
<br />
<br />
Day 1:
<br />
Design and develop body parts from templates,</div>
<div>
Try to answer those unanswered questions.<br />
<br />
Day 2:
<br />
Test and develop slotting together using copper vinyl,<br />
Develop integration of electronic components into body parts,<br />
<br />
Day 3:<br />
Design main circuit board,<br />
Produce main circuit board,<br />
<br />
Day 4:<br />
Laser cut body parts,<br />
Assemble electronic components with body parts,<br />
<br />
Day 5:<br />
Write code and upload to board,<br />
Test first assembly,<br />
<br />
Day 6:<br />
Iterate onwards, incorporating sound output.<br />
<br />
<h4 style="text-align: left;">
how will it be evaluated?
</h4>
My criteria for success will be whether a child or range of children of 8-10 can understand and enjoy assembling the kit.</div>
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