DIY Color Detection using an RGB LED
We have seen single color LED detection before, fjordcarver has built a DIY Color Detection using an RGB LED that can detect the actual color of the object placed in front of the home made sensor. “For this sensor you will need a breadboard (not required, but it is how I will walk you through it.) an RGB LED (alternatively you could use 3 LEDs) A 220 ohm resistor A