Thinkpad X220 board that disconnects the webcam and microphone data lines
Cordwood-style blinky ring, powered by an ATtiny85 and a pair of size 10 Zn-air hearing aide batteries.
Previous repo for NeuroBytes, an open-source hardware neuron simulator created by NeuroTinker, LLC. See https://github.com/neurotinker for the current platform.
Hardware Neuron project by Zach Fredin and Andrew Salveson. Most of the documentation lives at http://hackaday.io/project/3339-neurons-neurons-neurons.
Sixteen tiny LEDs on a USB-powered board with a few switches. Designed to be an LED wavelength reference and blinky novelty.