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I converted an old 300W computer PSU into a DC Lab Power supply. It is a cheap alternitive to buying an expensive lab power supply. My Converted ATX Psu can give me 3.3,5,7,10,12,17,24 volts. It is a very Useful thing to have around.
5*
although you forgot to warn about the load that is needed and that there are sometimes an extra wire that you have to short to the 3.3v rail.
I was getting over a cold...
By Bobensen [Affiliate User] 1213267955 Reply Spam [+0] Moderate Up Moderate Down RemoveWhat your voice happend??
By TitoDre [Affiliate User] 1213254116 Reply Spam [+0] Moderate Up Moderate Down Removeyou can replace the diode on the -12v rail with a larger diode to get more ampers out also if you put a nc button from the input voltage of the pwm to the safety resistor you can press that to reset the OCP
i did alot of experimentation on push i was able to pus 50v out of one by modifying resistors
Yes that would work if you did do that but the only thing is that you could not use it for high current uses with only 1 wire.
By Bobensen [Affiliate User] 1210955083 Reply Spam [+0] Moderate Up Moderate Down Removeit works ok. there is heaps of noise on the outputs tho so its no good for running anything to do with audio. and instead of hooking all them wires together you can just cut then off and use one of each colour.
By linc1122 [Affiliate User] 1210908356 Reply Spam [+0] Moderate Up Moderate Down Removei use MRE heaters to produce hidrogen
fill up a 2 liter bottle 1 third full, let the rest fill with air, and insert fuse through a whole you punched with a needle or something
+3.3volts
By Bobensen [Affiliate User] 1209854224 Reply Spam [+0] Moderate Up Moderate Down Removewhat is the orange?
By raininginhell [Affiliate User] 1209853081 Reply Spam [+0] Moderate Up Moderate Down RemoveThe +12 is always Yellow The +5 is the Red.
-12 is blue and -5 is white. This applies to all PSU except dell......
How do you know what the rails are? I have an old ATX i would like to do this to. But I'm not sure how to figure out which is the +12,5 and -12,5
By raininginhell [Affiliate User] 1209829893 Reply Spam [+0] Moderate Up Moderate Down RemoveMostly Just me messing around with electronics. I do occasionally research things if I want to find out more about what i'm doing.
(It's A Hobby)
nice, i did it to mine but it dont work no more, i guess i pulled on a wire too hard or scratched something up on the board somehow it just squeels every time i turn it on
By psyfertech [Affiliate User] 1206987978 Reply Spam [+0] Moderate Up Moderate Down RemoveWhere did you learn all this stuff?
By mongess [Affiliate User] 1206896340 Reply Spam [+0] Moderate Up Moderate Down RemoveOnce again, sweet =P
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