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97 lines
2.8 KiB
Markdown
97 lines
2.8 KiB
Markdown
# Gear Up AirBrainH743
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::: warning
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PX4 does not manufacture this (or any) autopilot.
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Contact the [manufacturer](https://takeyourgear.com/) for hardware support.
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:::
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::: info
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This flight controller is [manufacturer supported](../flight_controller/autopilot_manufacturer_supported.md).
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:::
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Purchase from [takeyourgear.com](https://takeyourgear.com/pages/products/airbrain).
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For more information and pinout, check the [GitHub documentation](https://github.com/GearUp-Company/AirBrainH743).
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## Key Features
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- MCU: STM32H743 32-bit processor running at 480 MHz
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- IMU: ICM42688P
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- Barometer: DPS310
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- Magnetometer: LIS2MDL (internal)
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- 128MB NAND Flash for logging (W25N)
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- 7x UARTs
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- I2C, SPI
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- 9x PWM Outputs (8 Motor outputs, 1 LED strip)
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- Battery input voltage: 3S-10S
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- Battery voltage/current monitoring
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- 5V@2A and 10V@2.5A BEC outputs
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- USB Type-C (IP68)
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- EMC and ESD protection
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## Connectors and Pins
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::: warning
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The pin order is different from the Pixhawk standard (compatible to the Betaflight standard).
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:::
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### UARTs
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Current UART configuration:
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| UART | Device | Function |
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| ------ | ---------- | -------------------- |
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| USART1 | /dev/ttyS0 | Console/Debug |
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| USART2 | /dev/ttyS1 | RC Input |
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| USART3 | /dev/ttyS2 | TEL4 (DJI/MSP) |
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| UART4 | /dev/ttyS3 | TEL1 |
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| UART5 | /dev/ttyS4 | TEL2 |
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| UART7 | /dev/ttyS5 | TEL3 (ESC Telemetry) |
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| UART8 | /dev/ttyS6 | GPS1 |
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### Motor/Servo Outputs
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| Connector | Pin | Function |
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| --------- | --- | ------------ |
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| ESC | M1 | Motor 1 |
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| ESC | M2 | Motor 2 |
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| ESC | M3 | Motor 3 |
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| ESC | M4 | Motor 4 |
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| PWM | M5 | Motor 5 |
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| PWM | M6 | Motor 6 |
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| PWM | M7 | Motor 7 |
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| PWM | M8 | Motor 8 |
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| AUX | M9 | LED/PWM/etc. |
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<a id="bootloader"></a>
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## PX4 Bootloader Update
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Before PX4 firmware can be installed, the _PX4 bootloader_ must be flashed.
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Download the [gearup_airbrainh743_bootloader.bin](https://github.com/PX4/PX4-Autopilot/blob/main/boards/gearup/airbrainh743/extras/gearup_airbrainh743_bootloader.bin) bootloader binary and read [this page](../advanced_config/bootloader_update_from_betaflight.md) for flashing instructions.
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## Building Firmware
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To [build PX4](../dev_setup/building_px4.md) for this target:
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```sh
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make gearup_airbrainh743_default
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```
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## Installing PX4 Firmware
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Firmware can be installed in any of the normal ways:
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- Build and upload the source:
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```sh
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make gearup_airbrainh743_default upload
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```
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- [Load the firmware](../config/firmware.md) using _QGroundControl_.
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You can use either pre-built firmware or your own custom firmware.
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### System Console
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UART1 (ttyS0) is configured for use as the [System Console](../debug/system_console.md).
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