F745 BT 8Bit 60A Stack A compact, performance flight controller and 4in1 ESC stack designed for racing and freestyle multirotors. The stack combines a featurerich F745 BT flight controller with a 60A H60_BLS ESC to deliver reliable power, advanced sensors, and convenient connectivity in a 30.5 mm mounting footprint. Key benefits Integrated stack saves weight and build space while simplifying wiring and installation. Dualgyro sensor suite improves flight stability and noise resilience for smoother, more predictable control. Onboard 512 MB black box enables detailed flight data logging for tuning and troubleshooting. Direct Air Unit plug compatibility and Bluetooth support make HD video and wireless configuration easier. current 60A continuous ESC with 65A 5second peak supports aggressive maneuvers and RPM motors. Main features Flight controller (F745 BT) MCU: STM32F745 for responsive processing. IMU: MPU6000 plus ICM42688P dual gyro configuration. Black box: 512 MB onboard data logging. Air unit: Direct plug compatible with Air Unit type devices. Bluetooth: Supported for wireless setup and telemetry. Barometer: Builtin for altitudeaware flight modes. USB: TypeC interface for configuration and firmware updates. OSD: BetaFlight OSD implemented with AT7456E chip. BEC outputs: 5V at 3A and 12V at 2.5A dual BECs for cameras and accessories. UARTs: Seven UART groups, UART3 fixed and compatible with Bluetooth. Power: Input voltage 3S to 6S LiPo, integrated power filtering. Size and mounting: 38.5 x 38.5 mm, mounting holes 30.5 x 30.5 mm. Weight: 8.4 g. Target: F745_BT. ESC (H60_BLS 60A 4in1) Input voltage: 3S to 6S LiPo. Continuous current: 60A. Peak current: 65A for 5 seconds. Protocols: DShot 150, 300, 600 supported. Size and mounting: 42 x 45.7 mm, mounting holes 30.5 x 30.5 mm. Weight: 14.9 g. Target: B_X_30. What is included 1 x FC board 1 x ESC board 1 x Capacitor 1 x O3 3in1 connection 1 x FC adapter 1 x SH1.0 4pin cable 1 x Camera connection 1 x VTX connection 1 x Buzzer connection 1 x XT60 power connector 4 x M3 x 30 mm screws 4 x M3 x 25 mm screws 8 x Nylon nuts 12 x antishake pads Why choose this stack Compact and compatible: Standard 30.5 mm mounting makes this stack suitable for most 5inch and similar racing frames and freestyle builds. Reliable power delivery: Dual BEC outputs and a 60A continuous ESC support a wide range of flight controllers, cameras, VTX units, and power motors. Tuning and diagnostics: Large onboard black box and multiple UARTs allow thorough flight data capture and flexible peripheral connections. Modern connectivity: TypeC USB, Bluetooth support, and direct Air Unit plug reduce setup time and simplify HD video integration. Use scenarios 1) 5inch freestyle quad: Combine with kV motors and a 6S LiPo battery for aggressive freestyle flights and responsive control, using the 60A ESC capacity for sustained power. 2) Racing quad with HD system: Install an Air Unitcompatible camera and use the direct plug and Bluetooth for fast setup and reliable video integration while logging flight data for racetuning. 3) Tuning and development rig: Use the dualgyro IMU and 512 MB black box to collect flight logs for PID and filter adjustments or to evaluate motor and prop changes. Technical notes Designed for 3S to 6S LiPo systems. Mounting hole spacing is 30.5 x 30.5 mm for both FC and ESC. Ensure ESC and FC firmware compatibility with your chosen flight stack and motor configuration before first flight. This stack is intended for experienced builders and pilots who need compact integration, robust power handling, and advanced logging and connectivity for racing and freestyle multirotor applications.