Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.
Arduino hardware package for ATmega8, ATmega48, ATmega88, ATmega168, ATmega328 and ATmega328PB
modm: a C++23 library generator for AVR and ARM Cortex-M devices
Arduino hardware package for ATmega1284, ATmega644, ATmega324, ATmega324PB, ATmega164, ATmega32, ATmega16 and ATmega8535
A light-weight Arduino hardware package for ATtiny13
Logic Analyzer, for Arduino, AVR, ESP8266 and STM32 with a very nice working processing interface, you could run it also on any Android device.
A high speed stepper library for Atmega 168/328p (nano), Atmega32u4, Atmega 2560, ESP32, ESP32S2, ESP32S3, ESP32C3, ESP32C6 and Atmel SAM Due
Arduino library to enable smooth servo movement.
Tiny Software Protocol for communication over UART, SPI, etc
Embedded Proto is a C++ Protocol Buffers implementation specifically suitable for microcontrollers. It is small, reliable and easy to use.
Simple application log library. supporting multiple log levels, custom output & flash memory support.
3 implementations of the FFT for Arduino AVR platforms!
A fully-functional open source and open hardware mechanical USB computer keyboard with only three keys!
This is the fast avr programmer for AVR MCUs based on cheap stm32f103c8t6 board with usb-to-serial support.
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