Content for ZX81

ZX81

Build a 64kB home computer based on an Arduino Mega 256

“This is another retro compute project. Use an Arduino Mega256, 64kB serial RAM, a display and a keypad to build a standalone computer. The idea I had the idea to build a standalone computer resembling the old ZX81 computer when …

Read a ZX81 keyboard with Arduinos and build things with it

“Connect a ZX81 keyboard to an Arduino. This is a tutorial to quickly get the keyboard running and use if for all kinds of applications. The ZX81 was one of the iconic computers of the 80s. They made a computer …