5:59Capacitor charge time calculation - time constantsThe Engineering Mindset252.2K viewsView & Download
4:05How to Make LED ON/OFF Dealy Timer Circuit Using Transistor bc547 | Time Delay circuit homemadeMR. Experiment Boy4.7K viewsView & Download
3:19How to Make a Time Delay Circuit Simple Timer Circuit Using BC547 & CapacitorEnergy Tricks1.5K viewsView & Download
2:42ON Time Delay Timer by Using One NPN (BC547) Transistor and Capacitor | POWER GENPOWER GEN90.8K viewsView & Download
6:25Simple easy transistor delay circuit - Explained tutorial | How it worksGlevoTec22.4K viewsView & Download