Perhaps if it can be done on an Mbed then someone might even make a ZX81 emulator on the Arduino. We’re great fans of the ZX81 here at Hackaday, for some of us it was that first computer.

IMG, an industry leader in customizable on-screen keyboard utilities, creates solutions that optimize the human-computer interface improving security and productivity. Their My-T-Soft Family and ...

Inside the keyboard’s right section are the guts of an actual optical mouse, but to eliminate accidental cursor movements, it’s only active while the right section’s CAPS LOCK button is pressed.