Hello everyone,
I will show you how you can make a simple led chaser without using ic 555.
Here we will use ic 4017 decade counter ic...Also we use a RGB colour changing led,which is the heart of the circuit...the RGB led act as a trigger f0or ic 555...
My YouTube channel
Parts Lists
1. IC 4017
2. RGB COLOUR CHANGING LED
3. LED*10 ANY COLOUR
4. 9V BATTERY WITH BATTERY CAP
5. SMALL PCB
6. 470 OHMS RESISTOR
7. 16 PIN IC BASE (OPTIONAL)