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.





Get Your Ass to the Self Reliance Festival – Oct 4-5
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The world feels heavy right now. You know it. I know it. Everybody does.
But we don’t do excuses at TSP. Charlie Kirk was murdered last week for
doing exac...
18 hours ago