Simple LED Flasher Circuit BC 548 

This LED flasher circuit uses two BC548B transistors, resistors, and capacitors to make two LEDs blink alternately. When one LED is ON, the other turns OFF, creating a simple blinking effect.

​

🔹 Components Required

1. Battery 9V – 1 piece
2. Capacitor 100µF – 2 pieces
3. Transistor BC548B – 2 pieces
4. LED – 2 pieces
5. Resistor 1kΩ – 2 pieces
6. Resistor 22kΩ – 2 pieces
7. breadboard
8. Jumper male/male 10cm

BUY IY NOW