Specifications

Core Components

• MCU: STM32H743VIH6 — 480 MHz, 2 MB Flash

• IMU: Dual BMI088 (Gyro + Accel ×2)

• Barometer: BME280

• Storage: MicroSD card slot

Interfaces

• UART: 7 ports

• PWM Outputs: 8 channels (all DShot-capable)

• I2C: 1 port

• SPI: 1 port

• SWD: 1 port

• ADC Inputs: 2 (VBAT, Current)

• USB: USB Type-C

Power Outputs

• BEC 5 V @ 2.5 A: Suitable for flight controller peripherals, receiver, GPS, optical flow sensor, etc.

• BEC 12 V @ 2.5 A: Suitable for video transmitters and cameras

UART Mapping

ArduPilot

• SERIAL0 → USB

• SERIAL1 → UART2

• SERIAL2 → UART4

• SERIAL3 → UART1 (GPS)

• SERIAL4 → UART3 (DJI O3)

• SERIAL5 → UART7 (ESC Telemetry)

• SERIAL6 → UART5 (RCIN)

• SERIAL7 → UART8

PX4

• TELEM1 → UART2

• TELEM2 → UART4

• TELEM3 → UART7 (ESC Telemetry)

• SERIAL4 → UART8

• GPS1 → UART1

• GPS2 → UART3

• Radio Controller → UART5 (RCIN)

RC Input

• Default RC input supports SBUS and CRSF.

• ArduPilot: Set SERIAL6_PROTOCOL = 23

• PX4: Set RC_INPUT_PROTO = Auto

VTX Support

• SH1.0-6P: Supports DJI O3 Air Unit.

  • Note: Pin 1 provides 12 V — do not connect 5 V peripherals here.

• SH1.0-4P: Supports digital VTX units.

Camera Support

• SH1.0-4P: Supports digital cameras.

PWM Output

• Up to 8 PWM outputs.

• Channels 1–8 support DShot.

Battery Monitoring

• Integrated VBAT sensor

• External current sensor support via ESC connector

Compass

• No onboard compass.

• External compass supported via I2C (SDA/SCL) port.

Physical

• Mounting: 30 × 30 mm, Φ4 mm

• Dimensions: 38.56 × 38.7 × 7.7 mm

• Weight: 9 g