Pixracer R14 FrSky X4RSB Taranis X9D+ Telemetry not Working

PX4 Autopilot Flight Controllers 💻
1

Hi, everyone!

I’m trying to setup a sub 250g mini drone that uses a Pixracer R14 flight controller running Ardupilot firmware. Everything is okay, except FrSky telemetry. My first try was using FrSky R9M module and R9Slim receiver. I tried for 2 days and gave up, because telemetry did now work.

Now, I’m trying using my Taranis X9D+ connected to a X4RSB receiver, all with updated firmware. My connections can be seen in the 1min video I’ve recorded right now specially for this post (link below).

I followed every single step in the PX4 instructions page, and tried some variations too, but without success. So, I really hope somebody can help me. I will use this drone for my PhD experiments and I need this working as soon as possible… :frowning:

By the way, if someone got telemetry working using Pixracer R14 with R9M module, R9Slim receiver and Taranis X9D+, please, tell me how to do it. My first desire is to use R9Slim, because of its range.

Thanks in advance!
Best regards.

2

Hopefully this will lead you to the right direction:

Good luck.

3

For ArduPilot assistance, best to visit the ArduPilot forum: discuss.ardupilot.org

4

Hi, everyone.

SOLUTION FOUND!

I just setted the paramenter SERIAL4_PROTOCOL to 4 and started receiving all 13 telemetry values from Pixracer R14 running Ardupilot/Arducopter 3.5.7. The receiver is X4RSB. Now I will try with R9Slim receiver.

Regards!

5

Hi, again.

Not working with R9Slim receiver. Any idea?