The controlling chip — an Arduino, in this case — can read the intensity of the selected color ... ve seen similar projects, but we are always struck how simple this sensor is to use.

[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor ... around it’s an Arduino doing the measuring instead of a PIC. So why isn’t that sensor shown in ...

Here is a list of projects ... Arduino that are fun, relatively easy, and incredibly convenient. Arduino is able to interpret signals from a variety of sensors. By placing a unit equipped with an ...