Power Bank செய்வது எப்படி? | How to make a Simple Power Bank?

Описание: Power Bank செய்வது எப்படி? | How to make a Simple Power Bank?

Connect the Black wires of the battery clip and USB cable together. Connect the Red wire of the battery clip to the Input (Pin 1) of the Voltage regulator. Connect the Black wires to the Ground (Pin 2) of the voltage regulator. Connect the Red wire of the USB cable to the Output (Pin 3) of the voltage regulator.