Being able to use one of your old projects to make a new one better can be quite satisfying. [Steve] from Hackshed did just this: he integrated an Arduino based webserver into a new network control… ...

Off the shelf RGB colour pickers allowing you to extract and objects RGB values can range from a few hundred dollars to thousands depending on your needs.

The DigiPixel is an open source Arduino and Digispark compatible shield with a 64 pixel RGB LED display and six buttons. It comes supplied with its own Arduino library, graphic converter and demo ...