In the last installment of our tutorial series we built a simple circuit on a breadboard and programmed an ATmega168 to make it run. That proves that you know how to follow directions, but the eureka ...

Almost all AVR microcontrollers have built-in Electrically Eraseable Programmable Read Only Memory (EEPROM).The advantage of EEPROM is that even when the microcontroller is turned off, data stored in ...