MicoAir H743 Flight Controller Stack with 4in1 50A Bluejay 48K ESC FC&ESC Support Ardupilot/Betaflight/INAV/PX4 for O3 Air Unit FPV

H743 Flight Controller (FC) + 4-in-1 ESC Combo Built-in Dual IMU and Compass. Supports ArduPilot / PX4 / INAV / Betaflight. Firmware Support ArduPilot: Officially supported starting from v4.6. Firmware can be updated using common ground station tools (e.g., Mission Planner) via USB. PX4: Officially supported starting from v1.15.0. Betaflight: Officially supported starting from v4.5.0. INAV: Officially supported starting from v8.0.0. Tip: If you need older firmware builds or customized builds, please contact us through Amazon messaging and we can provide the correct files/instructions for your setup. User Manuals & Tutorials We provide detailed manuals and setup tutorials. Due to Amazon policy, external links are not shown here. If you need the latest documents, please message us via Amazon and we will send the correct guide for your firmware (ArduPilot / PX4 / INAV / Betaflight). Specifications (Flight Controller) MCU: STM32H743VIT6, 480MHz, 2MB Flash IMU: BMI088 / BMI270 Barometer: DPS310 Compass: IST8310 OSD: AT7456E MicroSD Card Slot 7x UART 10x PWM 1x CAN 1x I2C 1x SWD 2x ADC (VBAT, Current) USB Type-C BEC 5V 3A output (FC / RX / GPS / Optical Flow / peripherals) BEC 9V 3A output (VTX / Camera) UART Mapping (ArduPilot) SERIAL0 → USB SERIAL1 → UART1 (MAVLink2, DMA-enabled) SERIAL2 → UART2 (VTX-HD, DMA-enabled) SERIAL3 → UART3 (GPS, DMA-enabled) SERIAL4 → UART4 (MAVLink2, DMA-enabled) SERIAL5 → UART6 (RCIN, DMA-enabled) SERIAL6 → UART7 (ESC Telemetry, DMA-enabled) SERIAL7 → UART8 (DMA-enabled) UART Mapping (PX4) TEL1 → UART1 TEL2 → UART2 GPS1 → UART3 TEL3 → UART4 RC → UART6 ESC → UART7 TEL4 → UART8 RC Input (ArduPilot) 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. You may also use other UART ports (e.g., UART2 / UART4 / UART8) for RC input by setting the serial protocol parameters in ArduPilot. OSD Support (ArduPilot) Supports OSD via OSD_TYPE 1 (MAX7456 driver) and OSD_TYPE 5 (MSP_DISPLAYPORT). VTX Support The SH1.0-6P connector supports DJI Air Unit / HD VTX connection. Protocol defaults to DisplayPort. Note: Pin 1 is 9V output — do not connect it to a 5V-only peripheral. PWM Output The FC supports up to 10 PWM outputs: Channels 1-10 support DShot. Channels 1-8 support bi-directional DShot. Note: PX4 & INAV do not currently support BDShot on this target. PWM outputs are grouped (each group must use the same protocol): Group 1: 1, 2, 3, 4 Group 2: 5, 6 Group 3: 7, 8, 9, 10 Battery Monitoring The board includes an internal voltage sensor and supports an external current sensor input via the ESC connector. Voltage sensing supports up to 6S LiPo. Default ArduPilot battery parameters: BATT_VOLT_PIN: 10 BATT_CURR_PIN: 11 BATT_VOLT_MULT: 21.2 BATT_CURR_SCALE: 40.2 Compass Built-in compass sensor: IST8310. External compass can also be connected via I2C (SDA/SCL). Physical Mounting: 30.5 x 30.5mm, Φ4mm Dimensions: 36 x 36 x 8 mm Weight: 9g 3D model file: available upon request via Amazon messaging (external links removed due to Amazon policy). Specifications (4-in-1 ESC) Input Voltage Range: 2-6S Maximum Continuous Current: 50A Current Sensor: Yes ESC Firmware: BlueJay 48K Firmware Version: v0.19.2 Control Signal: DShot150 / 300 / 600 Supports Bidirectional DShot & Speed Feedback Mounting Holes: • M4: 30.5 x 30.5mm • M3: 20 x 20mm MOSFET: 40V 165A, RDS=1.1mR Package List MicoAir H743 Flight Controller (ArduPilot Firmware) × 1 4G TF Card × 1 MicoAir 4-in-1 ESC × 1 12AWG Wiring × 2 ESC Signal Wiring × 1 Connecting Wiring × 7 Capacitor × 1 XT60 Plug × 1 Rubber Mat × 8 Q: If I encounter issues using this product after purchase, do you provide technical support? A: Yes. We provide professional technical support. Flight controllers involve complex configuration and tuning. Open-source firmware evolves quickly, so occasional issues can happen. If you need help, please contact us through Amazon’s messaging system with details of your setup and the issue. We reply within 24 hours on business days.