twiboot is a simple/small bootloader for AVR MCUs written in C. It uses the integrated TWI or USI peripheral of the controller to implement a I2C slave. It was originally created to update I2C ...
// Arduino UNO R4 WiFi Flash Data Memory as emulated EEPROM // https://pro.tips/courses/learn-arduino-uno-r4-wifi-free-online-course/lesson/arduino-uno-r4-wifi-flash ...