Here are LED light sequencer circuit that using IC-4017 and IC-555.
More LED chaser and LED running Lighting
This is a circuit that features a running pace with a changing voice, the tiny microphone. For a frivolous fun.
This is a led light running circuit with a number generated from IC CD4093, CD4520 and CD4094.This circuit can adjust the speed with resistors R1.When entering the power supply to…