Project 12: How to make a Portable Power Bank or Mobile Charger.



In here i describe how one can make a Portable Power Bank or Mobile charger using,
1. LM7805
2. Female USB Connector
3. Switch
4. 9V Battery & Battery holder
5. PCB Board or ferro Board

This is very cheap you required very less money.

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Please watch: “How to operate relay using light sensor without Arduino In hindi || IndianRobotix”

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