Joule Thief Led Mag Light
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5:15
Pulsed Inverted Joule Thief Small bulb Big lightby Lidmotor18,654 views- 2:15
Joule thief lighting up 20 ultra bright 10mm LEDS with 1,28Volt and about 60mA (22)by insAneTunA4,720 views
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- 10:06
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- 8:16
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- 3:30
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- 4:36
Joule Thief (Emergency Light) 021by kubikop5,904 views
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- 4:14
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SPENDER - THE GOLDEN STRIKER - Part 4by nufcspenders831 views
- 0:34
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- 6:22
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- 2:28
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- 2:09
jeanna's Lidmotor's Jeanna's Lightby jeannacav10,058 views
Very well done. I have added the JT circuit to several of my flashlights but not a maglight, and not the way you did it so you can use it either way. Excellent idea and I am going to borrow your tube idea for my next one for sure.
Very nice work.
Bill
Pirate88179 1 year ago
not "cool" ... I mean "coil". typo
morpher44 2 years ago
Good stuff. I think you can extend the 6 hour run-time by making two mods. One, have a variable resistor to base of transistor so that you can TUNE brightness & hence current. Two, use a very very large inductance in your transformer. Perhaps the PVC pipe can be wound as the cool.
morpher44 2 years ago
Good work!
jeannacav 2 years ago
THAT was impressive!! Six hour run time on that flashlight with one AA! Well done. 5 stars. The straight conversion of a 3 watt light I have never seen done before. People all over will want the plans on your design.
Lidmotor 2 years ago
Wow 5 stars! How long do you think it will run off of the AA?
MLZ42679 2 years ago