
This post shows you how to make an adjustable 12V LED Flasher using two Transistor and Capacitor. You can increase or decrease the LED flashing speed using the potentiometer used in it. This is a very simple circuit. This Flasher can be used on bikes and cars.
LED Flasher Circuit Diagram :
I Designed A Circuit Diagram From Easyeda site

Required Components :
- Tip41 Transistor – 1
- BC547 Transistor – 1
- 470uf/35v Capacitor – 1
- 10k Potentiometer – 1
- zero Board – 1
- 68 ohms Resistor – 1
- 12v LED – 1
Tools Required :
- Soldering Iron
- soldering Lead,past
- Soldering Stand
- PCB Holding Stand
- cutter
Where is the base of the BC547 transistor connected?