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 Book of Five Rings – Part 2 – The Strategist Lens – Epi-3932
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Today on Friday Fusions we continue our four-part deep dive into Miyamoto
Musashi’s “The Book of Five Rings”, pivoting away from physical combat and
steppi...
12 hours ago