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How to connect Spektrum SPM4650 (SRXL2) to Matek H743-Slim?

Hi Guys:
ArduPilot Newbee here…

Has anyone been successful in connecting a Spektrum SPM4650 (SRXL2) Telemetry Receiver to a Matek H743-Slim flight controller? I have been trying to do that for a rebuild of my Diatone Tyrant quadcopter. I cannot calibrate my Spektrum DX6 transmitter in Mission Planner because I do not see the green bars on the screen.

If you’ve been able to do this, could you please advise how you SPECIFICALLY wired the two together, and EXACTLY what parms you modified in Mission Planner?

This is my second thread on this subject. I read everything I could find about the installation, and tried a number of great suggestions made in my first thread, but nothing worked. Details here…

Any specific info or suggestions would be greatly appreciated!

Thanks and Best Regards,
Dennis

Hi Guys:
I’m still searching for a solution. I cannot calibrate my Spektrum DX6 transmitter in Mission Planner because the green bars do not show up. If anyone has been able to connect a Spektrum SPM4650 (SRXL2) Telemetry Receiver to a Matek H743-Slim flight controller, please advise how you wired it, and what parms you modified in Mission Planner. I’ve read everything I could find on the subject, and have had some great suggestions, but this setup just refuses to work. I’m probably overlooking something simple, but as an ArduPilot newbie, I don’t know what to try next. I also posted this on the ‘RCGroups’ forum. If someone over there hits on the solution, I’ll be sure to post it here to help the next guy with this Rc/FC combo.

Thanks and Best Regards,
Dennis

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