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

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

Arduino library to read VCC supply level without external components

FlashForth development

Tiny Software Protocol for communication over UART or other channels

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.

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

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

ᕲ Duino-Coin is a cryptocurrency that can be mined with Arduino boards.

HWA is a set of C definitions designed for bare metal programming with a pleasant style.

3 servos, 10 dollars hexapod

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]

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.

Application server for constrained platforms

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

A really simple, non-preemptive task scheduler.

library to access knx bus for Microcontroller

A framework with Easy menu drawer for 16x2 character LCD with AVR ATMega, built to provide best User-Experience

AVR based smartcard/token with ECC and RSA cryptography

Embedded software for smart home automation devices, mostly AVR/ATmega

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

Assembly Cryptography in Atmega. AES encryption implementation for AVR

common library of AVR ATmega

Arduino compatible libraries

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

Send data to firebase cloud using SIM800 (GPRS Module) and Atmega328p (Arduino) .

Weather fetching through wifi with LCD1602 + Atmega32 + ESP8266

USB protocol, macOS/Win/Linux USB Drivers, atmega32u4 firmware