Connect to a free telemetry port (e.g., TELEM2)
In QGroundControl, set:
MAV_1_CONFIG = TELEM2 MAV_1_MODE = Normal
PX4 uses ELRS’s RC input via CRSF protocol (autodetects on boot)
Ensure RC_RATES and failsafe are set in the transmitter
PX4 expects the link as a CRSF device; telemetry is automatic.
