I am going to show you how to make a solar USB charger from old garden lights. With that charger you can charge every device that uses the USB port to charge like : (mp 3 player, i phone,psp's etc.)
(In my solar charger i put some led's to be able to use it as a torch)
what you will need is :
1) two solar panels from garden lights
2) 4AA rechargable baterys
3) 4AA baterry holder
4) one female usb connector
5) a small button
6) a case
7) some wires
8) three 3.6v led's
9) two 1n5817 blocking diodes
10) one dpdy 6 pin push switch
11) one 150 ohm resistor
(the battery that come with the light will be about 800mha. we don'd need that low capacity.The capacity that we need from each baterry has to be about 2000mha)
here is the circuit diagram
2) 4AA rechargable baterys
3) 4AA baterry holder
4) one female usb connector
5) a small button
6) a case
7) some wires
8) three 3.6v led's
9) two 1n5817 blocking diodes
10) one dpdy 6 pin push switch
11) one 150 ohm resistor
(the battery that come with the light will be about 800mha. we don'd need that low capacity.The capacity that we need from each baterry has to be about 2000mha)
here is the circuit diagram
Now you need to heat up your soldering iron and wire every thing as seen the diagram so be careful and make sure that all the connections are covered with electrical tape
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