Pixhawk 4 mini and X8R Not working

[j_andia]

Pixhawk 4 mini Spektrum calibration issue

Hi, I’m new to Qgroundcontrol and Pixhawk. I need to inform the readers because it might be something small which I may be missing or overlooking. The issue is that while using Pixhawk 4 mini I can not calibrate my Spektrum controller. It says “Detected 0 radio channels. To operate PX4 you at least need 5 channels.” I tried the following things: I tried another Pixhawk 4 mini and had the same issue. Made sure that the RC IN connector has the correct wiring. Updated the firmware. However, …