Share: Title:WOW! 100 LED Chaser _ BC547 Transistor, 4017 IC, 555 IC [With Circuit Diagram] Duration: 7:29 Plays: 106K views Published: 4 years ago Download MP3 Download MP4 Simillar Videos ▶️ 3:42 Timer Switch With 555 Ic 106K views • 4 years ago ▶️ 4:50 Touch Sensor With 555 Ic || By Es Tech Knowledge 106K views • 5 years ago ▶️ 2:19 Project Wireless || Dark Sensor || By Es Tech Knowledge 106K views • 5 years ago ▶️ 2:22 This Astable Multivibrator Circuit Can Do This Cool Thing 106K views • 4 days ago