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i don't understand

  1. Adam Binder Rogacki

    What capacitor to use?

    Hello, I can't find anything about what capacitor to supply to a circuit. And why to supply it to a circuit. If I e.g have a circuit with a battery and a led, the battey is 3.2v, and the led's forward voltage is 2v, and the current limit is 20mA to the led. Oh, and what happens when a capacitor...

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