How to make Mini USB Drill at home

DIY: Learn to make a mini USB drill machine at home with a DC motor, a drill chuck and a USB cable. This drill is perfect for wood, PCB boards, bakelite, cardboards and many more. Very simple to make, a perfect utility tool for DIY hobbyists.
This tool besides a power bank can also be used by plugging in any 5v USB mobile charger.

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