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  1. 1app4me

    AR Drone 2.0 - Is my circuit correct?

    hi everyone :) I get an AR Drone 2.0 and I want to add some lights on it! 1st of all I have seen this circuit and it will be my base: I don't understand why led 1-2 & 3-4 don't get the same resistor? 4.7K & 470? I want to use this...