I decided to do this project because I wanted a small but vary bright flashlight, so that I could use to use up all the old smoke detector 9V batterys. I change them every New year so I have a good supply of half dead batterys. This is what I came up with 3 white LEDs a chunk of pc board and a top to a 9V battery and some hot glue and some solder.





The Power of Stupid on Display – Epi-3791
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Is it the best of times or is it the worst of times? Perhaps it is just
the dumbest of times? I mean just look around you and ask yourself how we
got her...
3 hours ago