The circuit is an Arduino RGB LED controller running on a sweet 'n' simple code,but with a little. Aspencore network. ... Green, Blue Anodes of the common-cathode RGB LED (L1) through independent 270 ...

Here is a simple, yet useful circuit of an Arduino 4-digit 7-segment LED display unit. The module used here is a self-contained, compact common-cathode module containing four 7-segment LED numeric ...