[Damian Peckett] has implemented an Apple ][, its 6502 processor, and a cassette port, all on an Arduino Uno. If that wasn ... 4KB of RAM and 8KB of ROM. The ATmega328 has only 2KB of RAM ...

Microcontroller demo boards such as the Arduino UNO are ubiquitous on Hackaday as ... His notes show he saw the barest way to operate an ATMega328, built it, tested, and moved on to the power ...