Showing posts with label CD4017. Show all posts
Showing posts with label CD4017. Show all posts

Tuesday, July 31, 2012

10 Stage LED Sequencer

Circuit diagram

Simple LED Chaser


Components

  1. IC1- CD4017

  2. IC2- NE555

  3. C1 - 1μ

  4. C2- 0.01 μ

  5. R1 - 470 Ω

  6. R2 - 100 KΩ

  7. R3- 100 Ω

  8. LED1-10 - RED LED

  9. 9volt DC power supply.


For power supply you can use 9volt battery or can design separate power supply using step down transformer and 1N4007 diodes.