Product overview
The BrotherHobby Returner 3-8S F722 PRO is a Betaflight flight controller built around an STM32F722RET6 processor, with an ICM-42688 IMU and SPL06-001 barometer. Its board measures 37.25 × 37.25 mm, with a 30.5 × 30.5 mm mounting pattern and 4 mm mounting holes, and weighs 8.6 g. Integration must accommodate its 3S-8S input range. The controller combines an AT7456E OSD, a 256M black box and BEC outputs rated at 5V/3A and 12V/3A.
Peripheral integration includes M1-M8 ESC outputs, IIC, a CUR current-sensing pad and six serial ports, with UART5 assigned to ESC telemetry. DJI, adjustable LED and GPS magnetometer connections support both plug-in and soldered installation; C1 and C2 support soldered dual-camera connections, while video transmission also uses a soldered connection. Receiver support covers SBUS, IBUS, DSM2/X, TBS and CRSF. A Type-C USB port, DFU button, debugging interface and buzzer support round out the configuration, with betaflight_4.5.3_STM32F7X2_BROTHERHOBBYF722_PRO specified as the firmware target.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | BrotherHobby Returner 3-8S F722 PRO Betaflight Flight Controller |
| CPU | STM32F722RET6 |
| Input power | 3S-8S |
| Dimensions and mounting | 37.25 × 37.25 mm; 30.5 × 30.5 mm mounting pattern; 4 mm hole diameter |
| IMU | ICM-42688 |
| OSD | AT7456E |
| Barometer | SPL06-001 |
| Black box | 256M |
| BEC outputs | 5V/3A and 12V/3A |
| DJI connection | Supports plug-in and soldered connections |
| IIC | Yes |
| Serial ports | 6 serial ports: UART1, UART2, UART3, UART4, UART6, with UART5 for ESC telemetryUART5 is ESC telemetry. |
| USB port | Type-C |
| Current-sensing connection | CUR pad |
| ESC outputs | M1-M8 |
| LED connection | Supports plug-in and soldered connections for adjustable LEDs |
| GPS magnetometer interface | Supports plug-in and soldered connections |
| Camera interface | Supports soldered connections for two cameras, C1 and C2 |
| DFU button | Yes |
| Video transmission connection | Supports soldered connection |
| Debugging interface | Yes |
| Target firmware | Betaflight_4.5.3_STM32F7X2_BROTHERHOBBYF722_PRO |
| Receiver support | SBUS, IBUS, DSM2/X, TBS, CRSF |
| Buzzer support | Yes |
| Weight | 8.6g |
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