Often you find lot of info in the first post of a thread.
The esc needs power, best is via the power cables so the onboard voltage regulator/ bec is feeding the mcw, with the motors connected (remove props), you will have the beeps, but without is of coarse possible.
Originally Posted by paulovisk
Must i feed the esc with a controlled current source, or only connect the 6 wires usbasp is enough ?. Have i keep a motor connected?