DIY More Efficient Long-lasting USB or ANY Charger
Now I really did not intend to do anything different than what was in that instructable. I was walking around the dollar store looking for a cheap project enclosure and I came upon the flashlight section. Eureka! The perfect enclosure with battery holder and switch included.
I did not like the lights available at the dollar store but managed to pick up an aluminum 3 aaa Noma LED light at another store that fit the bill almost perfectly.
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Step 1: Taking Apart the Light
Step 2: Oops!
Another thought I had was to make it more versatile by putting a female usb plug into it instead of the male mini. This would allow it to be used with other devices like an ipod.
I soldered the chip into the old LED wires (bypassing the resistor) I popped the lens off the end of the flashlight and fit everything together the best I could. The chip stuck out a good 1/8". I know I lose cool points for finishing it in such a ghetto way but I used hot melt glue to seal the end.
Step 3: Testing
I guess that even though this project did not go perfectly, the main point of it is that you could get a project enclosure with battery holders and a switch for a dollar by using a cheap flashlight.