atmega

Ferret is a free software lisp implementation for real time embedded control systems.

T12 Quick Heating Soldering Station

Arduino (8-bit AVR) simulator, written in JavaScript and runs in the browser / Node.js

Software for USB-connected relays with HID interface. See the WIKI for more info.

Tiny Software Protocol for communication over UART, SPI, etc

AVRDUDE is a utility to program AVR microcontrollers

Arduino library to read VCC supply level without external components

Arduino TM16xx library for LED & KEY and LED Matrix modules based on TM1638, TM1637, TM1640 and similar chips. Simply use print() on 7-segment and use Adafruit GFX on matrix.

FlashForth development

Bare ATmega 8/168/328 microcontrollers with the Arduino IDE.

C++ platform to build Arduino and AVR projects. Rationale is size and speed optimization.

A little less unfinished TFTP bootloader for Arduino Ethernet or Arduino with Ethernet Shield

Collection of cartridges, adapters and replacements for the Commodore C64

Small version of the famous component tester from mikrocontroller.net

DIY GPS GSM vehicle tracker based on SIM808 module and ATMEGA328P

3 servos, 10 dollars hexapod

Collection of AVR Programmers and Accessories

ATmega8 working as USB mouse, by reading movements from a magnetometer (digital compass). [Projeto Final do curso de Bacharelado em Ciência da Computação DCC/UFRJ]

Application server for constrained platforms

Hausautomatisierungsloesung auf CAN-Bus Basis.

Arduino library to play MML music using a piezo speaker on an output pin. Implemented using the MmlMusic base library.

This is simple GPS vehicle tracker base on SIMCOM SIM7000E/G/A module. Works for GSM/LTE-M networks around the globe

Tiny command line to facilitate AVR hardware and software development and debugging.

library to access knx bus for Microcontroller

A really simple, non-preemptive task scheduler.

Free pascal AVR microcontroller projects

Slow down the server fan speed whilst still allowing extra cooling when needed and shutdown in case of fan failure

Atmega328 Bootloader for wireless (OTA) code updates, using the CC1101 RF chip.

Microchip AVR based smartcard/token with ECC and RSA cryptography