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  • Users: Azhrarn
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  1. Azhrarn

    Double voltage from lithium battery

    I'm trying to create a very simple circuit where you have the following main components: 1x 3V lithium battery, 1x 3-positions switch (ON1-OFF-ON2), 1x fan (which can run from 1.5 up to 3V). I want to create a circuit where my fan can have a high speed (ON1) at around 2.5V and a low speed at...

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