Easy-to-build minimalistic ZX Spectrum clone

Homemade i8080 digital clock (double PCB version)

An implementation of the Apple IIe's MMU and IOU custom chips

Wolfenstein 3D with a CGA renderer

MFM emulator code

Ampcontrol port on STM32F103CBT6

The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics