Product overview
The BrotherHobby Returner 3-8S F435 Betaflight Flight Controller is a flight-control board for integration into a UAV build. Its architecture combines an AT32F435RGT7 processor, ICM-42688 IMU, SPL06-001 barometer and AT7456E OSD. The board measures 38.5 × 38.5 mm, with a 30.5 × 30.5 mm mounting pattern and 4 mm mounting holes, and weighs 7.82 g. These dimensions define the mounting space needed for installation. Electrical integration uses a 3S-8S input and BEC outputs rated at 5V/2A and 10V/2A.
The controller provides M1-M8 ESC outputs and six UART interfaces, with UART1 designated for ESC telemetry. Receiver support covers SBUS, IBUS, DSM2/X, TBS and CRSF, while DJI equipment can connect through direct plug-in or soldered connections. Other interfaces include Type-C USB, IIC and a CUR current-sensing pad. External LED, buzzer and RSSI support accompany black-box support with a stated capacity of 16M. The specified firmware target is Betaflight 4.5.0 BROTHERHOBBYF435; procurement concerns a flight-controller component rather than a complete flight platform.
Specifications
| Specification | Value & conditions |
|---|---|
| Product | BrotherHobby Returner 3-8S F435 Betaflight Flight Controller |
| CPU | AT32F435RGT7 |
| Input power | 3S-8S |
| Dimensions and mounting | 38.5 × 38.5 mm; 30.5 × 30.5 mm mounting pattern; 4 mm hole diameter |
| IMU | ICM-42688 |
| OSD | AT7456E |
| Barometer | SPL06-001 |
| Black box | Supported |
| Black box capacity | 16M |
| BEC outputs | 5V/2A and 10V/2A |
| DJI connection | Supports direct plug-in and soldered connections |
| IIC | Supported |
| Telemetry interfaces | UART1, UART2, UART3, UART4, UART5 and UART6UART1 is designated for ESC telemetry. |
| USB port | Type-C |
| Current-sensing connection | CUR pad |
| ESC outputs | M1-M8 |
| LED support | External LED supported |
| Target firmware | Betaflight 4.5.0, BROTHERHOBBYF435 |
| Receiver support | SBUS, IBUS, DSM2/X, TBS and CRSF |
| Buzzer | Yes |
| RSSI | Yes |
| Weight | 7.82 g |
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