81 LED chaser using two 4017 IC ~ Simple Projects

Wednesday, September 19, 2018

9/19/2018 07:34:00 AM Simple Projects

This circuit is an LED Chaser with 81 LEDs using two 4017 ICs and 555 timer

The circuit explained in this video here: https://www.youtube.com/watch?v=JoBsPduHEyc

PCBWay is the sponsor of this project

Circuit diagram:

Parts list:

IC 4017(2pcs)
IC 555
5mm LEDs (81 pcs)
1K resistor(9pcs)

10K resitor

3.3K resistor
470R resistor
2N2222 transistor(9pcs)
1uF capacitor
100K potentiometer
1N4007 diode

Video:

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