Gear Up AirBrainH743
WARNING
PX4 does not manufacture this (or any) autopilot. Contact the manufacturer for hardware support.
INFO
This flight controller is manufacturer supported.
Purchase from takeyourgear.com.
For more information and pinout, check the GitHub documentation.
Key Features
- MCU: STM32H743 32-bit processor running at 480 MHz
- IMU: ICM42688P
- Barometer: DPS310
- Magnetometer: LIS2MDL (internal)
- 128MB NAND Flash for logging (W25N)
- 7x UARTs
- I2C, SPI
- 9x PWM Outputs (8 Motor outputs, 1 LED strip)
- Battery input voltage: 3S-10S
- Battery voltage/current monitoring
- 5V@2A and 10V@2.5A BEC outputs
- USB Type-C (IP68)
- EMC and ESD protection
Connectors and Pins
WARNING
The pin order is different from the Pixhawk standard (compatible to the Betaflight standard).
UARTs
Current UART configuration:
| UART | Device | Function |
|---|---|---|
| USART1 | /dev/ttyS0 | Console/Debug |
| USART2 | /dev/ttyS1 | RC Input |
| USART3 | /dev/ttyS2 | TEL4 (DJI/MSP) |
| UART4 | /dev/ttyS3 | TEL1 |
| UART5 | /dev/ttyS4 | TEL2 |
| UART7 | /dev/ttyS5 | TEL3 (ESC Telemetry) |
| UART8 | /dev/ttyS6 | GPS1 |
Motor/Servo Outputs
| Connector | Pin | Function | | ----------| ------------------ | | ESC | M1 | Motor 1 | | ESC | M2 | Motor 2 | | ESC | M3 | Motor 3 | | ESC | M4 | Motor 4 | | PWM | M5 | Motor 5 | | PWM | M6 | Motor 6 | | PWM | M7 | Motor 7 | | PWM | M8 | Motor 8 | | AUX | M9 | LED/PWM/etc. |
PX4 Bootloader Update
Before PX4 firmware can be installed, the PX4 bootloader must be flashed. Download the gearup_airbrainh743_bootloader.bin bootloader binary and read this page for flashing instructions.
Building Firmware
To build PX4 for this target:
make gearup_airbrainh743_defaultInstalling PX4 Firmware
Firmware can be installed in any of the normal ways:
Build and upload the source:
make gearup_airbrainh743_default uploadLoad the firmware using QGroundControl. You can use either pre-built firmware or your own custom firmware.
System Console
UART1 (ttyS0) is configured for use as the System Console.