Search results

  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: http://www.555-timer-circuits.com/police-lights.html I don't understand why led 1-2 & 3-4 don't get the same resistor? 4.7K & 470? I want to use this...