DIY 4V AUTOMATIC EMERGENCY LIGHT USING TRANSISTOR 4202BD

DIY 4V Automatic Emergency Light | Simple & Effective Circuit

In this video, I’ll show you how to build a 4V Automatic Emergency Light using easily available electronic components. This simple yet efficient circuit automatically turns on during a power outage, making it perfect for home use.

Components Used:

Transistor: 4202BD

LED Strip: 4V

Diodes: 1N4007 (×2)

Resistor: 100Ω

Switch: Push On/Off

Battery: 3.7V

Charging Port: Type-C Female Power Jack

Features & Benefits:

✅ Automatically switches on during power failure
✅ Energy-efficient and cost-effective
✅ Compact and easy to assemble
✅ Rechargeable via Type-C port

🔧 Watch the full tutorial and follow the step-by-step guide to build your own DIY emergency light!

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#DIY #EmergencyLight #Electronics #4VLED #SimpleCircuit #BatteryPoweredLight

Видео DIY 4V AUTOMATIC EMERGENCY LIGHT USING TRANSISTOR 4202BD канала Jugaad Junction