Hackaday

Color Sensing With An RGB LED And Photoresistor

[Fjord Carver] brings together an RGB LED and CdS Photoresistor to make a color sensor. Those Cadmium Sulfide lights sensors usually have a very wide swing of resistance when exposed to varying levels ...
Machine Design

Sensor Lets Machines See Color Intensity

EMX Industries Inc., introduced the ColorMax-1000, the first color sensor that outputs color intensity. The ColorMax-1000 color sensor has a high-intensity white LED that projects modulated light on a ...
EDN

Sensing Color with BH1745

The BH1745NUC is a digital color sensor IC from Rohm Semiconductor. This IC senses Red, Green and Blue light (RGB) and converts them to digital values. High sensitivity, wide dynamic range, and ...
EDN

How to use programmable analog for high-power LED color mixing applications

Abstract: Programmable analog circuitry adds analog functionality to reprogrammable digital electronics. The combination provides flexibility to end users and offers unique advantages to designers in ...
Hackaday

Color Sensor Gives The RGB Values Of Anything

[Rick Osgood] wanted to build a color sensor that could be held up to any object to get RGB color values. He originally started with a photoresistor and a few LEDs, but couldn’t get that to work ...