No transmitter inputs showing in Mission Planner (No Green Bars)

ArduCopter Copter 4.4
1

Hi,

I am currently trying to configure the radio controls on my quadcopter using a Kakute H7 V1.3 with version 4.4.4 of Ardupilot. I am using a TBS Tango 2 transmitter and a TBS Nano Rx and have a stable green LED on both showing a good link. The problem arises when I try to calibrate the radio controls on Mission planner and no green bars show and it seems like no inputs are being registered on the FC. I have have tried changing the Rx settings with the Tango 2 to use crossfire and also changing the SERIAL6_PROTOCOL to 23 but still don’t get any inputs showing up.

I am using UART 6 as suggested by Holybro:

Does anyone have any suggestions?

2

I have that setup and it works fine, so something is screwy with either your wiring or your params. Post you parameters.

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3

https://ardupilot.org/copter/docs/common-holybro-kakuteh7.html#rc-input

Try this:

SERIAL6_OPTIONS,0
BRD_ALT_CONFIG,1

And double check Rx<>TX and TX<>RX

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4

I’ve just tried switching BRD_ALT_CONFIG to 1 and my inputs are now registering.

Thank you very much for your help!

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