Manual Pick and Place project

I built a pick and place machine so I could build up my Motobrain project easier. I used MDF for the platforms. 12mm rail and linear bearings for the Y and Z axis bearings. THK linear motion guide for the X axis. The Z axis is a piece of carbon fiber tubing attached to a piece of laser cut acrylic. The nipples on the tube are 3D printed.

The laser cutting was done by OSHStencils.com. The bearings were purchased at Amazon. The 3D printing was done by approto.com.

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A Capacitive-Touch Janko Keyboard: What I Did at the 2017 Georgia Tech Moog Hackathon

Last weekend (February 10-12, 2017) I made a Janko-layout capacitive-touch keyboard for the Moog Werkstatt at the Georgia Tech Moog Hackathon. The day after (Monday the 13th), I made this short video of the keyboard being played: "Capacitive Touch Janko Keyboard for Moog Werkstatt" (Text from the video doobly doo) This is a Janko-layout touch keyboard I made at the 2017 Moog Hackathon at Georgia Tech, February 10-12. I'm playing a few classic bass and melody lines from popular and classic tunes. I only have one octave (13 notes) connected so far. The capacitive touch sensors use MPR121 capacitive-touch chips, on breakout boards from Adafruit (Moog Hackathon sponsor Sparkfun makes a similar board for the same chip). The example code from Adafruit was modified to read four boards (using the Adafruit library and making four sensor objects and initializing each to one of the four I2C addresses is remarkably easy for anyone with moderate familiarity with C++), and

Building an enclosure for the LulzBot AO 100

As the cold weather season arrives in Atlanta, with it comes issues with our 3D printers. Specifically problems with temperatures and print stability. Freeside is essentially a big warehouse, and our 3D printing station is setup in the large open area in the front of the space. What this means is that when it is cold in the space, this will affect the printing quality because the ambient temperature is far lower than what is optimal for thermoplastics. The cold ambient air will cause parts to rapidly cool during the middle of a print. And with materials like ABS which can shrink dramatically during cooling, this causes prints to warp, deform, and delaminate during and after printing is finished. The print on the left is showing signs of delamination from plastic cooling mid print. To remedy this, we built an acrylic enclosure for our LulzBot AO-100, which is our dedicated ABS printer. We tested the proof of concept of whether an enclosure would help mitigate printing problem

Build-Out Recap!

A bunch of great stuff got done at the build-out yesterday. A huge thanks to everyone that came out to pitch in! Here are some pictures to recap the projects... Randy's team hung the curtain to the workshop to create more of a barrier between the front of the house and back of the house and to control dust levels a bit more. We'll be finishing the top of the wall soon, but the hard part's already done. Karen, Donald, Tom, Violet, and James framed the doorway to the Media Lab and Bio Lab and hung the door for that area. Next step is AC! Michelle and Mary's team cleaned out project storage and moved the shelves over so that Neils could put the flammability cabinets in that area. That allowed all of us with the help of Adam and Nathan to clean up the workshop and really tidy up. They also sorted out all of the laser cutter raw materials and cut them down to a usable size on the table saw. For the portal clouds, JW, Nathan, and Kat rolled an aw

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