The humble ATmega328 microcontroller, usually packaged as an Arduino Uno, is the gateway drug for millions of people into the world of electronics and embedded programming. Some people just can ...

[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 ...

Apart from understanding the Arduino's code language ... It's similar to the iconic Uno in a lot of ways. For instance, it's based on the same microcontroller, uses almost identical pinout ...