آموزش ساخت لامپ اضطراری با باتری 1.5 ولت

آموزش ساخت لامپ اضطراری با باتری 1.5 ولت >>> Make Emergency Light DIY-Circuit! A very simple inverter circuit and How to Make a Toroid Transformer. This Efficient joule thief can take as little voltage 0.7V or 1.5v "AA Battery" to Boost Set Up AC or pulsed DC to turn on 120v or 220v small current 1.5w to 3 watt LED Bulbs can be achieved. Yes! to steal all the last energy from a little battery.

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