Super Joule Thief
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@TheAlabamaCajun leds run at 30ma at 3.5 volts. or so. and i think the joule theif pumps about 4-5V
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@jayson01982 Unfortunately the schematic is not my doing so i cannot post it i can simply redirect you to his website and for the way it work it's basically 9 LED in parallel with capacitor this was one of the first "high power" one that I've made so the new model have some improvement. I found out the LED work better if they are mount in series since they draw less amp but require higher voltage. "webpages.charter.net/dawill/t
moranwms/index.html#Proj" -
@jayson01982 There's no magic in there its a basic joule thief circuit with a little more power. Its not my design so ill simply direct you to the web site!
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can you send me the schematic diagram plssss..
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cool, what kind of circuit did you use? can you give it to me?
boryshacker 3 months ago
@boryshacker It's a rather simple circuit the one found on most web site all parts and component are really not critical this joule thief cost me a big 0$ and work quite well too :P webpages.charter.net/dawill/tmoranwms/Elec_JT.html
bakupcpu 3 months ago
1.5V x 0.250 = 0.375 Watts from your experiment.
2.1V x 0.020 x 9 = 0.378
Assumed 9 of 2.1V LEDs running at 20mils which says it's not saving energy but is a very efficient boost circuit. JTs run cool meaning very little loss to heat.
TheAlabamaCajun 3 months ago
@TheAlabamaCajun Thanks for your comment and the time to calculate the power consumption. If i remember correct those white LED work at around 3~3.5 volts. But in any way this was only fun to build.
bakupcpu 3 months ago
the schematic diagram of this joule thief with 9 leds with capacitor
thanks and more power
jayson01982 5 months ago
@jayson01982 Check the last line of my previous reply the link is there between the " ". Have a nice day!
bakupcpu 5 months ago