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Have you ever felt your Backpack shake too much and wanted to do something about it?Well now you can charge your phone by all those shakes!
The required parts are- 1. Magnet wire 2. Plastic tubing and caps 3. Foam 4. USB power cable to device 5. Wire 6. 5 diodes 7. Magnets
On the plastic tubing attach a piece of foam,and then start coiling the magnet wire.Remember to coil in only one direction,after coiling a length of 3-4 cm bring ...
Now cut the charger wire and skin the 2 wires inside.The red wire is positive while the black/white is negative.
To make the rectifier follow the schematic. Preferably solder the diodes to make the connection.
Test the polarity of the coils using a voltmeter.Now connect the coils such that the positive terminal of the first connects with the negative terminal of the second ...
Enjoy showing off with the new backpack.Be the new tech advanced kid in school. Charge your iPod just by shaking your bag!!
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