Recent Projects

Some home computers used to have RF video output. The P2 could bring that back with ATSC HDTV output.

PickOMatic is an ATmega2560-based motion controller for custom pick-and-place machines.

Simple, inexpensive bird feeder that dispenses peanuts in exchange for dropping stuff in a hole. A vending machine for clever birds.

Integrate any UART-based pollution sensor with polluSensWeb. Everything runs locally in the browser — no drivers, no cloud. Easy.

I was pretty happy with how my DEC Precision CRT Display Type 30 Reproduction turned out except that it's too damn big. Get the shrink ray!

The G-EDM is an electrical discharge machine that supports sinker EDM, EDM engraving, EDM drilling and Wire EDM operations. #Drahterodieren

Hexaphonic guitar puckup built from 6 unmodified relays and amplifiers

Build this 2 digit thermistor and display the temperature up to 99 Celsius. Very accurate and fast. Free tutorial and hex file with fee

Passive optical logic system using colour-encoded light and filters to execute symbolic computation without electronics

Build a sleek Arduino-powered Tabletop Weather Station and turn your DIY into a pro-grade IoT device with JUSTWAY!

RNS on FPGA: Revisiting an Unusual Number System for Modern Signal Processing

Output stage abuses a moving-coil loudspeaker as a flyback inductor and 74HC logic as a high voltage clamp.

No one expects the bifocal prism.

I have an old electric oven. The temperature control system was broken, so I’m rebuilding it from scratch.

Group project of building an automated guided vehicle for packaged deliveries

One would think that two Type 30 Display Reproductions would be enough for one man. Wrong. One last kick at the can.