Build a couple of these led lights to enhance the Christmas mood. The coloured LEDs blink in a seemingly random sequence and rate and create a festive appearance that is perfect for these special ...

A Raspberry Pi 3 and Arduino Uno make this in league with some pretty smart Christmas trees. MAX6968 5.5V constant-current LED driver chips and MOFSETs round out the control circuit.

He’s included build instructions as well as diagrams of the circuit, ... LED Hacks Tagged 555, christmas tree, Circuit Sculpture, contest, led, NE555. Posts navigation.