VIP Car LED Light System with CD 4017 + NE555



This is a useful and simple circuit created with CD4017 and the most famous NE 555 IC.

Following Parts are required


  1. CD 4017 IC 
  2. NE 555 IC
  3. RED LED = 12 Nos
  4. Green LED = 12 Nos
  5. 100ohm = 2 Nos
  6. 10k Resistors = 4 Nos
  7. 1N4001 Diodes = 1 Nos
  8. 1N4148 Diodes = 6 Nos
  9. S8050 NPN Transistors = 2 Nos
  10. 50k Presets = 1 Nos
  11. 103k ceramic cap = 1 Nos
  12. Copper board/Vero Board
  13. Ferric chloride(for PCB)


Download the following PCB diagram and you can make the PCB using toner Transfer Method

PCB Making Part 01




PCB Making Part 02


Circuit Diagram

Silk Layout

 PCB Layout

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