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mussy

9v Emergency Light (Survival or EDC Kits)

by mussy Feb 15, 2019
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Awesome!!!

I once found a joule thief online...did a tweak to it
on a fresh 1.5vdc AA battery it can run almost 7 days straight...on a battery considered "dead" by most other devices (.9vdc or lower) it will run 2-3 days
Very simple to solder (great kid soldering tool), super cheap, and made with readily available components
check it out
https://oshpark.com/shared_projects/TMmGBSWa

Buddy that's absolutely brilliant

yes! now just slap on a picatinny rail and you have yourself a weapon mountable navi LED light!

great work as always!

Thanks, that's a great idea lol
I'm also working on an IR Strobe ;)