SEQURE FPV Flight Controller Stack AIO 30x30 with 4in1 70A ESC - BLHeli_32 Instruction Manual

1. Overview

The SEQURE FPV Flight Controller Stack AIO 30x30 with 4in1 70A ESC (BLHeli_32) is an integrated solution designed for DIY FPV racing drones. This high-performance stack combines a flight controller and an electronic speed controller (ESC) into a compact 30x30mm form factor, offering robust features for advanced drone builds.

Key Features:

• High-Performance Processor: Built-in STM32H743 processor with ICM42688P gyro for rapid control response and precise posture sensing.
• Integrated ESC: 4-in-1 70A continuous current (150A peak) ESC supporting 2-8S Lipo batteries and digital protocols like DShot600/300/150, compatible with Oneshot/MultiShot/PWM.
• Dual BEC Output: Integrated 5V/10V dual BEC output provides independent power for DJI O3 and analog VTX systems.
• Data Logging: 16MB Blackbox for effective flight data recording.
• Telemetry Support: Built-in galvanometer supports telemetry return, updating motor speed, temperature, and current in real-time.
• Flexible Motor Support: Supports up to 8 motors, facilitating X8 drone configurations.
• Innovative Design: Angled soldering pads reduce welding difficulty and enhance safety.
• LED Support: Compatible with WS2812 LEDs controlled by Betaflight firmware for night flying.

Image: Overview of SEQURE Flight Controller Stack features including MCU, operating frequency, gyro, motor control, dual BEC, Black Box capacity, barometer, and image transmission support.

2. Safety Information

WARNING: Choking Hazard - Small Parts. Keep out of reach of small children.

Always exercise caution when working with FPV electronics. Incorrect wiring or handling can lead to component damage, fire, or injury. It is recommended to use a smoke stopper during initial power-up of any new build or after significant modifications.

Ensure all connections are secure and correctly polarized before applying power. Refer to wiring diagrams carefully.

3. What's in the Box

The SEQURE FPV Flight Controller Stack package includes:

• 1x Flight Controller Stack (H743 V2 & E70 G2)
• Necessary cables and mounting hardware

Image: The SEQURE FPV Flight Controller Stack along with various cables, screws, nuts, and spacers included in the package.

4. Setup

4.1. Physical Installation

Mount the flight controller stack onto your drone frame using the provided hardware. The stack features 30.5x30.5mm mounting hole spacing, adaptable to various frame types.

Image: Diagram illustrating the 30.5x30.5mm mounting hole spacing of the flight controller, indicating its compact structure and adaptability.

4.2. Wiring Connections

Carefully follow the wiring diagrams for connecting your motors, receiver, VTX, camera, GPS, and other peripherals. The angled soldering pads are designed to simplify the soldering process.

Image: Detailed wiring diagram for the SEQURE H743 V2 Flight Controller, showing connections for various components like ESC, camera, VTX, GPS, and receiver.

Image: Wiring diagram for the E70 G2 4IN1 ESC, illustrating motor connections and battery input.

4.3. Mobile Connection for Configuration

The flight controller can be connected to a mobile device for configuration. This video demonstrates the connection process.

Video: Instructions on how to connect the flight controller to a mobile device for setup and configuration.

5. Operating Instructions

After successful wiring and installation, proceed with firmware flashing and configuration using Betaflight or a compatible flight control software. Ensure all settings are appropriate for your drone's components and flight style.

5.1. Firmware Flashing

Download the latest Betaflight firmware for the STM32H743 processor. Connect the flight controller to your computer via USB and use the Betaflight Configurator to flash the firmware.

5.2. Initial Configuration

Configure the ESC protocol (e.g., DShot600), motor directions, receiver type, and other essential settings within the Betaflight Configurator. Calibrate the accelerometer and gyroscope for optimal flight performance.

5.3. Flight Modes and OSD

Set up your preferred flight modes and configure the On-Screen Display (OSD) to show critical flight data such as battery voltage, current, flight time, and RSSI.

6. Maintenance

• Regular Inspection: Periodically inspect all solder joints and connections for any signs of damage or looseness.
• Cleaning: Keep the flight controller and ESC clean from dust, dirt, and debris. Use compressed air or a soft brush.
• Firmware Updates: Stay updated with the latest firmware versions for performance improvements and bug fixes.
• Component Check: Ensure all components (motors, VTX, receiver) are functioning correctly and are securely mounted.

7. Troubleshooting

7.1. No Power / Smoke

If your drone does not power up or emits smoke upon connecting the battery, immediately disconnect power. This often indicates a short circuit or incorrect wiring. A smoke stopper is an invaluable tool for preventing damage during initial power-ups.

Video: A detailed review and demonstration of the VIFLY ShortSaver V2 Smoke Stopper, highlighting its features and how it protects FPV electronics from short circuits and reverse polarity.

7.2. Motors Not Spinning Correctly

• Check motor direction in Betaflight.
• Verify ESC calibration.
• Inspect motor and ESC connections for loose wires or poor solder joints.

7.3. No Receiver Signal

• Ensure the receiver is correctly wired to the flight controller.
• Verify the receiver protocol is selected correctly in Betaflight.
• Check if the receiver is properly bound to your radio transmitter.

8. Specifications

Image: Detailed dimensional drawing of the SEQURE Flight Controller Stack, showing various measurements for installation and compatibility.

9. Warranty and Support

For warranty claims, technical support, or further assistance, please contact SEQURE customer service directly. Refer to the product packaging or the official SEQURE website for the most up-to-date contact information and warranty policies.