Connecting mateksys h743-slim v3 to Raspberry Pi 4 Via MAVLink

[Dhananjay_Pawar]

I’m trying to find a solution to achieve the connection between mateksys h743-slim v3 FC board and the latest raspberry pi 4 via MAVLink.
So far this is what I’ve done:

1. Connected Fc to pi following this Communicating with Raspberry Pi via MAVLink — Dev documentation.
2. Set the parameters on missionPlanner of Serial1_PROTOCOL = 2 (Default) and Baud = 57600.
3. Installed mavlink and mavproxy on my pi.
4. But when I try to run “mavproxy.py --master=/dev/serial1 --baudrate 57600 --aircraft MyCopter” I get the following :
   
   
   
   and no connection is establsihed with the FC!!

PLEASE HELP.