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Which parameters i need to check to fit receiver and speed controller . for exapmle TGY-iA6C Receiver and TURNIGY Plush 6A /.8bec/6g Speed Controller.
Put the ESC plug into the correct receiver throttle channel and with the right polarity. Simple as that.
What you then need to do is calibrate the ESC to your throttle by following the ESC instructions.