Durandal and Sik radios

ArduCopter Copter 4.0
1

Hi i build several drones weekly working with acoustic technology.

I’m building a tarot 680 pro with a durandal FC from holybry

I’m using aim YRRc 1000mw sik radios and they have connections,.but can’t get them to allow me to connect via Qgroundcontrol or apm pplanner.

Serial 1 is set to 56000 baud and mavlink 1
Radio connection to USB on PC and Mac

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IMG_20211011_113236
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IMG_20211011_113227
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IMG_20211011_113116
IMG_20211011_1131161920×1920 202 KB

2

Can’t get connection via apm planner or qgc

It’s wierd they shown up in apm and I can se them connected as well as bot are glowing constant