APA102 LED part 1: Pictures
Introduction The APA102 die contains three light-emitting diodes (LED) and a controller chip. While a classic RGB LED is controlled via analog voltages, the APA102 is controlled digitally through the controller chip. Typically an individual APA102 element has eight contact points. Four input lines on the «left» side, and four output lines on the «right» side. Therefore it is really easy (and very common) to assemble many APA102 elements onto a long stripe. Between two LEDs is usually a cut…