[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 ...

When you need to quantify the color of an object ... or you can buy an off-the-shelf RGB sensor and wire it up to an Arduino. Or you can go back to basics and build this reflective RGB sensor ...

Unlike a Raspberry Pi, you won't find anything resembling an operating system here; instead, the Arduino uses simplified ...