If you know the red, green, and blue components of the light that correspond to maximum reflectance, then you know the color of the object. Their sensor uses a four-lead RGB LED, but we suppose a ...

[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 ...

Ever stared at a wall and wondered, What shade of blue is that? Enter the Nix Mini 3, the pocket-sized color sensor that makes guessing games a thing of the past. This sleek little gadget ...

We have developed a color image sensor with layered organic films. Typical image sensors for single-chip color cameras use a pixel mosaic pattern with color filters for red, green and blue (Fig.

Colors tend to vary widely from camera to camera, but a new spectral sensor could help smartphones achieve more accurate ...