Make an Emergency phone charger at very low cost at home ....
Step 1: How to Make Emergency Phone Charger
Step 2: Materiel Required
1) BO Motor;
2) Bottle cap;
3) A Metal rod(1.8mm);
Step 3: Make a Handel
Create a hole at the center of a bottle cap, to attach with BO motor shaft then fix it with the glue gun.
Bend the small pics of metal rod like L shape.
Now create 2 hole side of the bottle cap, and fix it with the glue gun.
Step 4: Test
Solder a wire to the terminal of the motor ..
And test how much it produce,
Step 5: Circuit Board and Connection
Make a circuit board using the same circuit and components.
And also connect the circuit board with the generator and the battery.
Step 6: Ready to Charge
You can charge the battery and use it when you want.
Or you can just connect your phone direct and charge it
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