Open Source Soldering Iron firmware

U8glib library for monochrome displays, version 2

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino

esp8266 wifi-serial bridge, outbound TCP, and arduino/AVR/LPC/NXP programmer

Raspberry Pi Pico Arduino core, for all RP2040 and RP2350 boards

Do-It-All Mechanical Macropad

3D CAD application

A simple E-Paper display library with common base class and separate IO class for Arduino.

AVRDUDE is a utility to program AVR microcontrollers

Driver for SSD1306, SSD1331, SSD1351, IL9163, ILI9341, ST7735, PCD8544, Nokia 5110 displays running on Arduino/ESP32/Linux (Rasperry) platforms

Espressif ESP32 Based Smarthome screen for MQTT

STM32F103 logic analyzer and more

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!

LA104 logic analyser alternative firmware and experiments

A system that uses ESP-NOW, LoRa, and other protocols to transport sensor data in remote areas without relying on WiFi.

Text only Arduino Library for SSD1306 OLED displays

An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on an Arduino Mega2560

Arduino hardware package for ATmega64, ATmega128, ATmega165, ATmega169, ATmega325, ATmega329, ATmega640, ATmega645, ATmega649, ATmega1280, ATmega1281, ATmega2560, ATmega2561, ATmega3250, ATmega3290…

Arduino library to draw text and graphics on BLE thermal printers

Lathe electronic leadscrew controller

Library for an ATTiny85 to use an SSD1306 powered, double buffered, 128x32 pixel OLED, over I2C

ESPBug is a rogue captive portal program which runs on the ESP8266 dev board, such as the NodeMCU (clones included). It is a social engennering tool which generates a WiFi network of a given name a…

GRBL 0.9j to control unipolar motors (28byj-48) plus Servo motor support

oshw keystroke injection device ( badusb )

Improved version of Digistump avr core for Arduino

Convert image files into C arrays of uint8_t for compiling into your project

A full featured Arduino display library for 1-bit per pixel OLED, LCD and e-paper displays

Arduino core for AVR DA, DB, DD, EA and future DU-series parts - Microchip's latest and greatest AVRs. Library maintainers: Porting help and adviccee is available.

Biscuit firmware for TI CC2540 SoC