I built a toy car and have a real car horn and windshield wipers using two sg90 servos. The car horn is 12v and draws around 12 amps when sounded. When you sound the horn the servos sporadically jump around just for the period of time you sound the horn. The servos are on an external power source …

Car horn causing servos to go crazy

Jhearnsberger June 17, 2019, 3:33am 3

Is there any kind of filter I can put in the line? The bundle is pretty hard mounted and tied at the moment? Anything I could try before running separate wires?

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Car horn causing servos to go crazy

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