If you want to add a keypad to your Arduino project, the options are pretty limited. There’s that red and blue 4×4 membrane we’ve all seen in password-protected door lock projects ...

[Andrew] writes in with his Z80 single-board computer made from scratch, using the Arduino standard headers for its I/O. In turn, since he needed an easy way to program the flash memory which ...

There are plenty of fun and easy Arduino projects for beginners ... to perform most of the computing tasks you could expect your computer to do — just on a smaller scale. Compared to the ...

With their cheap price tags, massive I/O provisions, and low power consumption, microcontrollers like the uber-popular ...