Tesseract2

by

2 layer board of 1.51x1.56 inches (38.30x39.60 mm).
Shared on December 10th, 2013 19:08.

From Jotunheim with love, it’s the Tesseract! It pulses with hypnotic blue light!

I put a copy of this board fully populated and programmed inside a standard acrylic baseball presentation case that’s been sanded inside with 1000 grit sandpaper and stuffed with synthetic batting.

It’s controlled by a hall-effect sensor, so there’s no external switch or anything else to detract from the presentation. Just swipe with a magnet to wake it, change modes, and put it back to sleep. It goes to sleep automatically after a period of time. When in sleep mode it only uses a few micro-amperes of current, meaning it’ll sleep for months at least.

Source code for the firmware is available at:

http://code.hix.io/projects/tesseract2/

You can grab a copy to compile and burn with mercurial by running:

hg clone http://code.hix.io/projects/tesseract2/

It should compile cleanly on Linux, OS X, and FreeBSD. You’ll need avr-libc and avrdude installed. The Makefile compiles, burns, and checks the microcontroller! :D

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[Tested: OK!] nRF24L01+ module breadboard friendly

by wallerron.

2 layer board of 0.77x0.51 inches (19.51x13.03 mm).
Shared on December 10th, 2013 01:30.

For quite some time now I wanted a converter board for nRF24L01+ module, to work on a breadboard.

Until now I hadn’t the confidence, but here it is. 6 mil tracings, one 3.3v regulator (SOT-89) and (optional) a pwr LED with resistor.

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Lipo Balance Board

by izeman.

2 layer board of 2.14x3.16 inches (54.28x80.26 mm).
Shared on December 9th, 2013 10:33.

ebike 6s Balancer Board

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PSU Breakout

by echoskope.

2 layer board of 2.23x3.01 inches (56.54x76.45 mm).
Shared on December 9th, 2013 05:42.

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TWI - Tangible Wireless IMU

by drix.

2 layer board of 1.02x1.02 inches (25.81x25.81 mm).
Shared on December 9th, 2013 05:03.

http://upverter.com/honnet

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