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Originally Posted by ricecrispi
With the shipping and $12 for PSU I dont that CD is worth that much....
He meant not to place the resistor inline in a series circuit with the pumps or the fan. With the resistor in inline, the current is the same for both the resistor and pumps. That is why you got a big drop in current.
Place it in parallel and the current through the pump and resistor varies based on their resistance but voltage is the same for both. All you need to do is build another circuit to the pump like how you did exactly with the resistor.
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You know I was joking about selling it for the amount I bought it for, right? Sorry, hard to detect sarcasm, I should have used tags.
What do you mean I have to build anothe circuit to the pump? Are you just talking about putting the pump and resistor in parrallel?