Posted in Arduino Hacks, Microcontrollers Tagged atmega644, bootloader, clock, isp, reprap, resonator, Sanguino, Sanguinololu ← Bobuino: Arduino Based On ATmega1284 + Goodies ...

Making an Arduino shield can be simpler than you think. This time I designed one to program Attiny and Atmega ...

[Walter]’s device was based upon the Arduino Leonardo. Starting with the Caterina bootloader, modifications were made to enable the device to be locked and unlocked for programming.

The Arduino IDE provides access to these through a function in tools called ‘Burn bootloader’ (available in the Tools menu). In proper Arduinos, this sets appropriate non-volatile flags and downloads ...