Parts That You Need :
1) Wood
2) 12V DC Motor
When We Rotate Motor Shaft Manually, Emf Will induced In motor and Motor Will Work As A Generator.
3) Old Car Charger
From This Charger, We require Circuit Module
4) OTG Cable
5) Toy Wheel
How To Use This Parts –
Step 1 – Tie Up Motor And Wood Like This
Step 2 – Connect Motor’s Terminal With Circuit Modul
Step 3 – Connect OTG Cable With Circuit Module
Step 4 – Attach Wood
Step 5 – Attach Toy Wheel To The Motor’s Shaft
Step 6 – Now Tie All This Arrangement With Cycle
Also, Watch Video To Charge Your Mobile With Bicycle