Keyboard firmwares for Atmel AVR and Cortex-M

Dump1090 is a simple Mode S decoder for RTLSDR devices

Arduino core for ATtiny 1634, 828, x313, x4, x41, x5, x61, x7 and x8

Native Apple HomeKit accessory implementation for the ESP8266 Arduino core.

Arduino core for the tinyAVR 0/1/2-series - Ones's digit 2,4,5,7 (pincount, 8,14,20,24), tens digit 0, 1, or 2 (featureset), preceded by flash in kb. Library maintainers: porting help available!

ESP RainMaker Agent for firmware development

Mini vMac for iOS

A complete build of a mobile 6502 home computer system

Apple 2e emulator

Small ASCII terminal for hobbyist 8-bit computers. Uses Teensy and ILI9341-based LCD display.

This project is to make real hardware AY-3-3910 player using the real part and is Arduino based, and should use the minimum of hardware component.

Glitch-free high-quality internet audio streaming on the Apple II

home computer 6502

a PCB board for creating musics, sounds and chiptunes

esp32-genesis-player (work in progress)

Binary to Wozmon conversion tool

Core files for ATtiny microcontrolers adapted to Arduino 1.8.x