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  1. BooBoom

    Laing DDC 12volt 3.1 Pump

    I aquired this 12 volt pump for a prototype wearable body cooling device. And I cannot figure out how to run this off of 12 volts. I've dug for information on how to work this thing but I dunno what the 4-pin configuration on this is. Im guessing one of the pins controls speed (5+ volts)? Can...
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