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

High performance file syncing and sharing, with also Markdown WYSIWYG editing, Wiki, file label and other knowledge management features.

Ultralightweight JSON parser in ANSI C

sqlite3 driver for go using database/sql

Protocol Buffers with small code size

uWSGI application server container

Latest ESP8266 SDK based on FreeRTOS, esp-idf style.

simavr is a lean, mean and hackable AVR simulator for linux & OSX

µGUI - Open Source GUI module for embedded systems

Pycopy - a minimalist and memory-efficient Python dialect. Good for desktop, cloud, constrained systems, microcontrollers, and just everything.

STM32 Based soldering station for JBC cartridges, 9-24 VDC and USB-PD power

An open source bootloader for the ESP8266

Assembler for the Atmel AVR microcontroller family

My retro programming projects for some targets including the Amstrad PCW, the CP/M operating system and the Z80 cpu. Includes a Small-C compiler, Z80 assembler, text editor, graphics, Unix-like she…

C library for ST7735 LCD driver

A simple, interrupt driven I2C API for Atmel AVR processors

AVR serial bootloader