The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color using Arduino. The build produces a color sensor using an RGB LED and a CdS photocell by retrieving color ...

Looking for a way to entertain friends and family this holiday season? Look no further than the Arduino-powered Photocell Piano. [Asahillis] has posted this Instructable for building a 6-note musical ...