ESC won't calibrate to APM unless the lower throttle is 900.
Hello everybody. I have an APM 2.8 with Emax ESC 30A Blheli. And there's the problem. At the beginning, when ESCs were connected to RX on my AT9 Radiolink, they seemed to freeze for a milisecond and kinda freeze or shake. I didn't consider it as some
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