This repo is a good demo of turning an arduino Uno into a capacitive touch button controller. The buttons can control the Arduino itself (turn an LED on/ off) and also control a linux server over ...

Circuits@Home have managed to host a USB keyboard with an Arduino and display the keyboard inputs on a character LCD. This uses the USB host shield we covered in August. That host shield includes a… ...

The OONTZ uses a 3D printed case, a 16 button keypad, an Arduino Leonardo, a monochrome driver, and a few potentiometers. ... When you're done, you'll have your own USB MIDI controller.

There was a point in time, excruciatingly brief, in which desktop computers often had a large “TURBO” button on their front panel. Some even featured an LED display that would indicate … ...