avrdude topic
blog
A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.
jtag2updi
UPDI programmer software for Arduino (targets Tiny AVR-0/1/2, Mega AVR-0 and AVR-DA/DB MCUs)
avrdude
AVRDUDE is a utility to program AVR microcontrollers
AVR-cheat-sheet
AVR cheat sheet for the ATmega328p
TinyCore
TinyCore boards / attiny 1 series Core, Arduino IDE Core, targets ATtiny 417 / 814 / 816 / 817 / 1614 / 1616 / 1617 / 3217 and similar MCUs
jammer
Very simple 433MHz (EU/ASIA) 315 MHz (US) RF jammer for keyless cars theft prevention
gpstracker
the cheapest GPS tracker / GPS locator based on AVR ATTINY2313/4313 or ATMEGA328 (ARDUINO) and SIM800L GSM module