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Originally Posted by Butcher
Common ground - if the PSU ground is connected to the AC line ground they do (since the computer's ground will be).
Kinda difficult to tell what's what there as it appears to be a multilayer board.
BTW, why are you using such a huge PSU for pumps?  |
I don't think it's a multilayer board, but yeah the photos don't help much.
I wish I had a circuit diagram!
It's my peltier psu. Varying the pumps voltage is just a test, if it works I'll use the same metod for the pelts. I want to vary the TECs voltage to minimize condensation and save some electricity (money). And if I find that varying the pumps speed automatically depending on temperatures is any good I might get a second smaller psu to controll them, it's nice to be able to run them on 13.5V sometimes. But mounted /w anti vibraion rubber things inside my sound dampened case I can barley hear them anyway so I doubt it.