MicoAir H743 V2 AIO Flight Controller with 45A AM32 ESC — ArduPilot Pre-installed

📘 Documentation & Guides

• H743 AIO — Full User Manual — specs, UART mapping, outputs, battery monitoring, and what an AIO trades away
• AIO or a Stack? — the layout decision: compass, OSD, BEC current, heat and repair cost
• ArduPilot Basic Configuration — frame type, DShot, motor order, calibration and first arming
• Configure ESC Parameters — updating and configuring the on-board AM32 ESC through the flight controller
• External Compass Orientation — required reading for an AIO, which has no internal compass to auto-detect against

Setting it up with an AI assistant? Read our AI setup guide first. It shows you how to point ChatGPT, Claude or Gemini at the official manual for this product, so the answers come from the real pinout and parameter names instead of guesses.

MicoAir743v2 AIO Flight Controller

Please note: The default firmware pre-installed is ArduPilot.

Flight Controller Specifications

• MCU: STM32H743VIH6, 480MHz, 2MB Flash
• IMU: BMI088 + BMI270
• Baro: SPL06
• TF Card Slot
• 7x UART
• 8x motor outputs (M1–M8) + LED strip output (PWM11)
• 1x I2C
• 1x SWD
• 2x ADC (VBAT, Current)
• 1x LED Strip
• 1x Beeper
• USB Type-C
• BEC 5V 2A output (for controller, receiver, GPS, optical flow or other devices)
• BEC 12V 2A output (for DJI O3/O4/O4 Pro)

ESC Specifications

• Firmware: AM32_F4A_4IN1_F421_2.19
• PWM Frequency: 48KHz
• ESC Protocol: PWM / DShot300 / DShot600 (support BDShot)
• Continuous Current: 45A × 4
• Voltage Support: 3-6S (approx. 10V - 27V)
• Tutorial: How to configure and update the on-board AM32 ESC

Battery Monitoring

• ArduPilot / PX4: voltage factor 21.12, current factor 14.14 (BATT_VOLT_MULT / BATT_AMP_PERVLT on ArduPilot)
• Betaflight / INAV: voltage scale 211, current scale 707

UART Mapping

Ardupilot:

• SERIAL0 → USB
• SERIAL1 → UART1 (MAVLink2, DMA-enabled)
• SERIAL2 → UART2 (DisplayPort, DMA-enabled)
• SERIAL3 → UART3 (GPS, DMA-enabled)
• SERIAL4 → UART4 (MAVLink2, DMA-enabled)
• SERIAL5 → UART5 (DMA-enabled)
• SERIAL6 → UART6 (RCIN, DMA-enabled)
• SERIAL8 → UART8 (DMA-enabled)

PX4:

• ttyACM0 → USB
• ttyS0 → TELEM1 → UART1
• ttyS1 → GPS2 → UART2
• ttyS2 → GPS1 → UART3
• ttyS3 → TELEM2 → UART4
• ttyS4 → TELEM3 → UART5
• ttyS5 → RC → UART6
• ttyS7 → TELEM4/SERIAL4 → UART8

RC Input (Ardupilot)

The default RC input is configured on UART6. The SBUS pin is inverted and connected to RX6. Non-SBUS, single-wire serial inputs can be tied directly to RX6 if the SBUS pin is left unconnected. RC can also be used on UART2, UART4, or UART8 by setting SERIALn_PROTOCOL=23 and changing SERIAL6_PROTOCOL to a different value.

OSD Support (Ardupilot)

Supports OSD using OSD_TYPE 5 (MSP_DISPLAYPORT).

VTX Support

SH1.0-6P connector supports DJI Air Unit / HD VTX connection (DisplayPort protocol). Pin 1 supplies 12V — ensure compatibility before connecting devices that require 5V.

PWM Output

Eight motor outputs (M1–M8). The LED pad is PWM11 in firmware, so the firmware may report up to 9 PWM resources.

• Channels 1–8 support DShot and bi-directional DShot (BDShot)
• Note: PX4 & INAV currently do not support BDShot

Output Groups:

• Group 1: PWM 1, 2, 3, 4
• Group 2: PWM 5, 6
• Group 3: PWM 7, 8, 11 (Note: PWM11 is LED. If used for serial LED, PWM7 and PWM8 must also be used for LEDs)

Compass

No built-in compass. External compass can be connected via I2C on SDA/SCL.

Physical

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

Package Includes

• H743V2 AIO (Ardupilot firmware） ×1
• 4G TF Memory Card ×1
• 220uF Electrolytic Capacitor ×1
• XT30 Power Cable ×1
• M2 × 6.6mm Silicone Dampening Sleeves ×4
• SH1.0-6P Cable 20cm (For GPS) ×2
• SH1.0-4P Cable 15cm (For FC) ×1