[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 lev… ...

A TCS3200 color sensor is a much better choice, and you can buy a nice assemble module for about $2 from our friends in Shenzhen. And before you say the point here is DIY, DIY doesn’t mean 20 ...

South African researchers have developed a new cleaning system for solar panels that uses a color-sensing light-to-frequency converter to detect dirt. It can reportedly remove around 95% of the ...

Arduino color picker reveals real ... you may be interested in a new project published to the official Arduino blog ... you quantify colors in numerical RGB values via a TCS34725 sensor.

The device can output to UART serial, SPI, I2C, digital out, or analog out, a PC/Mac app called PixyMon shows what the sensor is seeing when plugged in, and of course Pixy can be hooked to a ...