PixHawk4 mini - RC in or PPM

Mauro_Gatti · July 1, 2020, 10:58am

Hi guys, i need a clarification about how to right connect receiver to Pixhawk4 mini. I have an Holybro QAV250 development kit and R-XSR (access protocol) in sbus. I have connected it to RC IN port (via sbus) but sems that QAV not respond in the right way to trasmitter input (roll, yaw, …) . I read in

github.com

ArduPilot/ardupilot/blob/master/libraries/AP_HAL_ChibiOS/hwdef/PH4-mini/README.md

# Pixhawk4-Mini Flight Controller

The Pixhawk4-Mini flight controller is sold by [Holybro](http://www.holybro.com/product/64)

## Features

 - STM32F765 microcontroller
 - Two IMUs: ICM20689 and BMI055
 - MS5611 SPI barometer
 - builtin I2C IST8310 magnetometer
 - microSD card slot
 - 5 UARTs plus USB
 - 8 PWM outputs
 - Two I2C and one CAN ports
 - External Buzzer
 - external safety Switch
 - dedicated power input port for external power bricks

## Pinout

This file has been truncated. show original

that RC IN should not be used to connect receiver but only PPM port that should support also SBUS.

Which is the correct reciver installation? Because there are some conflicting info !

auturgy · July 1, 2020, 11:02am

Depends what flight stack you’re using. For px4, follow the px4 instructions. For ArduPilot, use the ArduPilot instructions (and perhaps ask at discuss.ardupilot.org).

Mauro_Gatti · July 1, 2020, 11:08am

Many thanks for fast reply!
I have loaded Ardupilot stack 4.03 (latest).
Could you be so kind to share right link of the two instruction for each stacks?