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Just one more 9v USB charger!
- Altoid tin - 5v regulator - Wire - Small LED - Soldier - Female USB - Epoxy (i used J.B. Weld) - Small slide switch - Tape
Trace the outline of the USB on the bottom of the tin near the edge. Mark the spot where you want to put the LED. Drill it out ...
The circuit is very simple. The usb has 4 pins you will only use the 1st and 4th one. The regulator has 3 pins the 1st one is ...
Now tape around the usb near the bottom so the glue wont get in side it. tape the hole on the tin on the out side. as shown ...
This is the finished product!
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