avrdude

AVRDUDE is a utility to program AVR microcontrollers

UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)

A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.

Very simple 433MHz (EU/ASIA) 315 MHz (US) RF jammer for keyless cars theft prevention

AVR cheat sheet for the ATmega328p

AVRDUDE for Windows

TinyCore boards / attiny 1 series Core, Arduino IDE Core, targets ATtiny 417 / 814 / 816 / 817 / 1614 / 1616 / 1617 / 3217 and similar MCUs

the cheapest GPS tracker / GPS locator based on AVR ATTINY2313/4313 or ATMEGA328 (ARDUINO) and SIM800L GSM module

NanoUPDI: The smallest USB Type-C serial UPDI programmer for your projects

Easily convert AVR-DU family into a USB connected UPDI/TPI/PDI/ISP programmer.

AVR Disassembler for the 8-bit AVRs.

avrdude with ch341a programmer support (fullspeed and bitbang) for Windows WCH official driver and Linux (based on Alexey Sadkov patch and WinChipHead sources).

Dockerized AVR8 Toolchain

Instructions to download programs to (some) Intel MCS-51 compatible MCUs

EDBG USB bootloader for AVR-DU series

HW- and SW-parts to receive and transmit seriell data from/to heating-system

A pure C implementation of a blink program for the Arduino Uno.

C headers for AVR microcontrollers. Arduino must die!

Program TQFP AVR's easily without soldering

A BadUSB Human Interface Device project that can store and execute 256 scripts at a time.