Add Support for New Target: ORBITH743 Flight Controller

We are submitting support for a new flight controller board: ORBITH743, based on the STM32H743VIH6 MCU.

This board has been designed, manufactured, and tested by our team and has been verified to work correctly with iNav firmware. Below are the key specifications and features:

Specifications

Processor

• STM32H743VIH6 (480MHz)
• 256MB Flash for datalogging

Sensors

• 2x ICM42688 (accelerometer + gyroscope)
• DPS368 barometer
• Voltage & Current monitoring

Power

• 2–6S LiPo input
• 5V 2.5A BEC (for peripherals)
• 10V 3A BEC (for video systems)

Interfaces

• 8x UARTs
• USB Type-C
• 12x PWM outputs
• I2C port (for external compass, airspeed sensor, etc.)
• DJI Air Unit support
• Built-in OSD (MAX7456)
• 2x power monitor inputs
• Buzzer and LED strip support

RC Input

• SBUS, PPM, Serial RX, and MSP receivers supported
• Default RC input is on UART5 (SERIAL5)

Dimensions & Mounting

• Size: 38.3 mm x 39.8 mm
• Weight: 8.4 g
• Mounting: 30.5 mm x 30.5 mm standard holes

Special Features

• VTX power control via PINIO1
• Camera input switching via PINIO2
• Full DShot and Bi-Directional DShot support on M1–M8
• Dedicated PWM-only outputs for servos (S1–S4)

Firmware Target

This board is added under the target name: ORBITH743

Let us know if any changes or improvements are needed. We would greatly appreciate your feedback and review.

Thanks in advance!