How to make Universal DC tester at home For testing faulty gadgets

How to make Universal DC tester at home For testing faulty gadgets

Hello friends ....today I'm about show you guys how you can make a universal DC tester for testing your daily life gadgets like speaker connection, or light connection , mobile checking , battery testing and many more.....

Materials used in this video.....
1. AA Pencil battery cover
2. A mobile phone battery 3.7 volts 800Mah
3. 2 LED lights
4. Power Switch
5. Wires
6. Multimeter Connecter

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Видео How to make Universal DC tester at home For testing faulty gadgets канала Techstar Sagar Ali