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Retro Computer/Terminal


A trip to a time where one could understand every aspect of a computer. A combination ANSI-compliant terminal and Tiny Basic computer based around an intelligent LED character display and ancient hall-effect keyboard.
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Isolated WS2812 Strip Driver


Eight channel differential driver and distributed power system for remotely located pixel addressable WS2812 LED strips. Compatible with Fade Candy and Teensy 3.1 controllers. Download design information here.
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nRF24LE1 Programmer


Simple and fast SPI-based programmer for the Nordic nRF24LE1 SoC. Includes a PC-based utility for loading Intel Hex files. Released as open source hardware. Download design information here.
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Battery Buddy 1


Small (wearable) intelligent step-up converter for powering either 5V or 12V devices from a rechargeable and replaceable Lithium Ion battery. Perfect for powering small systems on your desk, on your body or in the field. Download design information here.
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4-channel Temperature Monitor/Logger


Arduino-based temperature monitor using Dallas DS18B20 1-wire sensors and a DOG-M LCD display. Communicates with a logging program using serial or bluetooth. More images + download applications, code and schematic here.
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RGB DMX Fixture


Full feature Arduino-based DMX controller for Brian Neltner's RGB Light Brick fixture. More images + download code and schematic here.
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Hacks


Various hacked devices. More information here.
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Misc Hardware Tools


Various small devices built to help my own development that might be helpful. More information here.
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HB LED Dimmer


High Brightness LED dimmer capable of driving up to six 350 mA, 700 mA or 1 A LEDs. More images + download schematics, gerber and demo code here.