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robortwillys

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  1. robortwillys

    Capacitor

    Hello everyone, Do you have to charge a capacitor before you hook it up or can it just be wired in? If it has to be charged does any one have a resistor from there cap I can use?
  2. Hello everybody, I am using a DC switch to power on a board. It does not always work with a li-ion battery, but with a dc adapter I have no problem with the switch. any help with this ?
  3. Hello everyone, I'm considering moving the PSU to the bottom of the case I'm building, but I'm not sure there is enough space for proper air intake. It draws with a 140-mm fan, and there will be a gap along the bottom of the case about 1/8" high, figure a total of about 40 inches in length on this gap, for a total of about 5 square inches of inlet space. Two questions: Will this be enough inlet space to allow proper air flow for the PSU? Assuming it IS enough space, will the narrow constriction make it sound like a wind tunnel? I can make the gap wider if needed, but I wanted to get some input from those with more knowledge of air flow than I. Thanks!!
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