Simple Multivibrator Circuit Diagram

This is a simple multivibrator circuit.This circuit can be operated with 9V power supply.Most of guys asked  9V multivibrator because they wanted to attach a multivibrator circuit for their bicycles.I suppose now you all will be able to attach this circuit for your bicycle.

 

Note:

 # Build this circuit on a PCB
 # Don't supply power over the limit
 # use two color LEDS