The controlling chip — an Arduino, in this case — can read the intensity of the selected color. The TCS230 uses a 4 x 4 array of photodiodes, along with a Bayer filter.

Arduino runs BASIC with colour output Check out the this colourful but BASIC use of Arduino... I flagged this one in the "Tweets of the Week" section of Electronics Weekly magazine, from the Arduino ...

Arduino color picker reveals real world color RGB values 1:39 pm January 14, 2020 By Julian Horsey ...

The tiny handheld console features a round display and is powered by an Arduino Nano ESP32. Volos Projects, a popular YouTube channel, has recently unveiled an intriguing creation that is sure to ...

The arLCD “all-in-one” modular design unites a 3.5 inch color LCD, touchscreen, 16-bit GPU (Graphics Processing Unit) and mounting bracket, with the Arduino development environment.