Active Creations: LED Blinking Circuit using BC547 Transistor
Unusual LED Flasher – Mohan's electronics blog
Circuit Diagram - Easy project : 28 LED flasher circuit using single driver transistor BC547 some experiments can be dangerous for that you don't risk and hurt your self be safe. | Facebook
8 LEDs Flasher Circuit Using BC547 Transistor | Circuit Ideas I Electronic DIY Projects I Robotics
LED Flip Flop Circuit using BC547 Transistors
Flip Flop Led Flasher Circuit (slow blinking led circuit) Using BC547 Transistor - YouTube
LED Dimmer Circuit with BC547 Transistor - YouTube | Transistors, Led dimmer, Circuit projects
Simple Led Flasher using Bc 547 Transistor How To Make// Led Blinking Circuit How To Make// Bc 547 - YouTube