His project lets you play simple algorithms as audio using AVR microcontrollers. Now the code work for this is very simple, but he hardware implementation is where things get interesting.

AVGA is a color video game development platform based on the Atmel AVR family of microcontrollers. As seen in the picture above, one of the AVRs that the project uses is the popular ATMega168.

Protostack's ATmega32A Development Kit is the first 40-pin AVR development board from the company, with all of its other boards being based on a 28-pin AVR design.