It's no secret that Arduino is the go-to resource for inventors, artists, programmers, and designers alike who want to create a compelling interactive object. Comprised of a user-friendly circuit ...

What color do you like your microcontroller boards? Blue? Red? Maybe white or black? Sadly, all of those are about to look ...

Inside, an Arduino Nano is hooked up to a series of WS2812b LEDs. The LEDs are flashed in time with the heartbeat of the person holding the heart, thanks to a MAX30102 heartbeat sensor.