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ardupilot/libraries/AP_HAL_ChibiOS/hwdef/MicoAir743-AIO
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Minderring 97b58506fd AP_HAL_ChibiOS: support for MicoAir743-AIO 
Update README.md: uses internal esc

Co-authored-by: Henry Wurzburg <hwurzburg@yahoo.com>

Update README.md: introduction about RC input

Co-authored-by: Henry Wurzburg <hwurzburg@yahoo.com>

Update README.md: introduction about PWM groups

Co-authored-by: Henry Wurzburg <hwurzburg@yahoo.com>

remove defaults.parm and defined default params in hwdef file
2025-01-02 11:37:19 +00:00
..
hwdef-bl.dat
hwdef.dat
MicoAir743-AIO_Physical_Size.jpg
MicoAir743-AIO_Ports_Connection.jpg
README.md

README.md

MicoAir743-AIO Flight Controller

The MicoAir743-AIO is a flight controller designed and produced by MicoAir Tech.

Features

  • STM32H743 microcontroller

  • BMI088/BMI270 dual IMUs

  • DPS310 barometer

  • 12V 2A BEC; 5V 2A BEC

  • MicroSD Card Slot

  • 7 UARTs

  • Integrated 4-in-1 AM32 35A ESC, 5 additional PWM outputs, one defaulted as serial LED

  • 1 I2C

  • 1 SWD

Physical

MicoAir H743 AIO Physical Size

UART Mapping

  • SERIAL0 -> USB
  • SERIAL1 -> UART1 (MAVLink2, DMA-enabled)
  • SERIAL2 -> UART2 (DisplayPort, DMA-enabled)
  • SERIAL3 -> UART3 (GPS, DMA-enabled)
  • SERIAL4 -> UART4 (MAVLink2, DMA-enabled)
  • SERIAL5 -> UART6 (RCIN, DMA-enabled)
  • SERIAL6 -> UART7 (RX only, ESC Telemetry, DMA-enabled)
  • SERIAL7 -> UART8 (User, DMA-enabled)

RC Input

The default RC input is configured on the UART6. The SBus input on the HD VTX connector is tied to RX6.

VTX Support

The SH1.0-6P connector supports a DJI Air Unit / HD VTX connection. Protocol defaults to DisplayPort. Pin 1 of the connector is 12v so be careful not to connect this to a peripheral requiring 5v.

PWM Output

The MicoAir743-AIO supports up to 9 PWM outputs.

All the channels support DShot.

Channels 1-8 support bi-directional DShot.

PWM outputs are grouped and every group must use the same output protocol:

1, 2, 3, 4 are Group 1;

5, 6 are Group 2;

7, 8, 9 are Group 3;

PWM1-4 are internally tied to the 4-in-1 ESC. PWM 9 is labelled as LED output on the board.

Battery Monitoring

The board has internal voltage sensor and current sensor for battery. The voltage input should be 3~6S LiPo batteries.

The default battery parameters are:

  • BATT_MONITOR 4
  • BATT_VOLT_PIN 10
  • BATT_CURR_PIN 11
  • BATT_VOLT_MULT 21.2
  • BATT_CURR_SCALE 14.14

Compass

The MicoAir743-AIO does not have a built-in compass, but you can attach an external compass using I2C on the SDA and SCL connector.

Mechanical

  • Mounting: 25.5 x 25.5mm, Φ3mm
  • Dimensions: 36 x 36 x 8 mm
  • Weight: 10g

Ports Connector

MicoAir H743 AIO Ports Connection

Loading Firmware

Initial firmware load can be done with DFU by plugging in USB with the bootloader button pressed. Then you should load the "with_bl.hex" firmware, using your favorite DFU loading tool.

Once the initial firmware is loaded you can update the firmware using any ArduPilot ground station software. Updates should be done with the "*.apj" firmware files.