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Thread: Power supply

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    Power supply

    Hello this is my first question. Does an AC adapter/power supply limit anything?

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    Supporting Member rendoman's Avatar
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    rendoman's Tools
    Hi
    What do you mean with limit?

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    Quote Originally Posted by rendoman View Post
    Hi
    What do you mean with limit?
    Block. Protect. Stop. Does it stop higher voltages or current from passing? Will it only allow power up to a certain limit?

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    Supporting Member rendoman's Avatar
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    rendoman's Tools
    Ac adapter (cheap type) usually is a small transformer and a simple circuit bridge diode plus a couple of capacitor and a resistor. No protection from over voltage, over current demanded breaks resistor, sketchili.
    Switching types (notebook and good powersupplly) should have inside many protection against current and voltage, plus a fuse.

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    So a lap top or computer power supply is best. Thank you


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