Perhaps the most well known AVR series Microcontroller Atmel have produced is the ATMega328P - the one the Arduino Uno is built on. When you’re moving on from Dev boards and the safety of the high level Arduino libraries, this is the place to turn to.
Come get your hands dirty with the AVR Datasheets, shift registers, choosing an oscillator, making use of internal voltage references all those other advanced topics that just aren’t covered in our Arduino for Beginners Workshop.
