how make usb power tester use
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in this video i am show how to work inverter. this is not inverter.
this video making only experiment purpose only
required .
1.12012 transformer 700ma
2. 12012 transformer 700ma
3. ac bulb holder
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in this video i am show how to make usb power led at home
required .
1. 2*1 watt led
2. 10 ohm resistor /.5 watt
3. usb cable
4. wast led bulb
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how to make small size portable 220 ac inverter at home
this project required.
1.12012 transformer /700ma (milliampere)
2.12v lithium ion battery
3. 2n3055 transistor
4. 440 ohm resistor /2 watt
5. switch
6. ac bulb holder
7. plastic box
8. same wire
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