AheadX SAGI, Руководство пользователя

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36
T5: Serial port 5
transmission, RS232
level
37
GND: Serial port
Ground
Precautions
Please pay attention whether the power GND and signal GND are connected or not when using
ESC.
You may meet following problem if the power GND and signal GND are connected:
high current may be led back to flight controller via the signal GND cable if power
GND cable with any cold soldering or virtual open circuit, which may cause the flight
controller to be burnt.
Therefore, user can make following modification to ensure flight controller will not
be burnt even with colder soldering or virtual open circuit.