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  • pwu8 commented on noahw's instructable LEDs for Beginners1 year ago
    LEDs for Beginners

    Two resistors connected in series: R total = R1 + R1. Two resistors connected in parallel: R total = R1R2/(R1+R2). This has nothing to do with how your orient the resistors when you connect them. This is for changing to the value of the total resistors to achieve a desired voltage drop or share.

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