Recent Projects

Breadboard implementation of a Brainf*ck computer.

Measures up to two PT100 Sensors, shows on display, broadcast over MQTT, configure over AP

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

A fully open, 3D-printable EEG headset for ironbci from PiEEG — designed for DIY neuroscience, education, and BCI experiments. Originaly des

Thermal imaging with MLX90642 32x24 InfraRed (IR) array

My efforts to restore an original Interak computer

Digital white noise with an analog "pink" filter

Home thermostat with a nixie tube diaplay

Reimplement the TED chip of Commodore 264 series in FPGA

By implementing a custom micro-coded CPU that executes it directly (up to 100MHz)

ATmega2560 based SBC with VGA, PS/2 and SD cards - meant to run FORTH now and serve as graphic card later.

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

There are now 4 devices involved with the birdfeeder. Latest is a temperature controlled Frisbee/birdbath.

It is a board that lets the Einstein computer emulate the Spectrum. Design by Tony Brewer.

Simple and cheap logic reader for PC with USB

Reliable power for DUT testing: USB-C input, Python API, open hardware. Compact tool for labs, factories, and developers’ desks.