Fast button debounce library for ATmega328P, uses registers.

ESP32S2 Arduino USB host printer, MIDI, and keyboard demos

Arduino library for creating MIDI controllers and other MIDI devices.

Software and hardware platform for simpler building of MIDI controllers.

A replacement for the Yamaha RAM4 cartridge, based on GliGli's RX5USB

Floppy drive emulator for Gotek hardware

SpinCAD Designer is an open source Java project which allows creation of patches for the Spin FV-1 audio DSP chip.

A handheld computer programmed in Lisp with a self-contained keyboard and display.

STM8 core support for Arduino

The original sources of MS-DOS 1.25, 2.0, and 4.0 for reference purposes

CircuitPython - a Python implementation for teaching coding with microcontrollers

Retro emulation for the ODROID-GO

A HID-MIDI driver for the Digispark Attiny85 Arduino

Yamaha RX5 DIY programmable waveform cartridge / waveform bank editor

Source code, PCB artwork and firmware for a tiny Macintosh Plus

Micropython Web IDE beta version

PC tool for uplading hexfiles to the STM8 microcontroller via UART or SPI , using the built-in ROM bootloader. Works under Windows and Posix operating systems

(OBSOLETE - USE BALibrary instead) - Blackaddr Audio Teensy Library

MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems

STM32 port of the Mozzi sound synthesis library for Arduino

An Arduino-like programming API for the STM8

Generic implementation of Arduino for STM32 boards

Bootloader for STM32F103 boards, for use with the Arduino_STM32 repo and the Arduino IDE

MicroPython board definition for the MCUDev Black STM32F407VET6 board

STM32 core support for Arduino

Generic implementation of Arduino for STM32 boards

TOYOSHIKI Tiny BASIC for Arduino STM32

MicroPython board definition for the VCC GND STM32F407VET6 mini board

Arduino and PlatformIO IDE compatible TFT library optimised for the Raspberry Pi Pico (RP2040), STM32, ESP8266 and ESP32 that supports different driver chips

Alpha variant for new STM32duino code base https://github.com/stm32duino/Arduino_Core_STM32F4