Hello, I am running a program on an arduino uno that outputs a servo PWM signal to emulate an RC receiver in order to control a drone (through the Ardupilot Mega). For now, I am just using the servo sweep example. The ardupilot mega interprets the signal flawlessly when the arduino uno is powered…

external power supply corrupts servo signal

jremington May 10, 2014, 1:02am 2

This sounds like a grounding problem. Are you connecting all the relevant grounds together?

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