Happymodel Crossf4 ELRS BMI270 F411 Flight Controller - 5a 4-In-1 ESC, Dshot300, Built-In Express ELRS 2.4GHz Receiver, Betaflight OSD, 16MB Blackbox, 1-2s Lipo

The HappyModel CrossF4 ELRS BMI270 F411 Flight Controller is a highly advanced micro flight controller, perfect for 1-2S FPV drones. Equipped with the powerful STM32F411CEU6 MCU and BMI270 gyro sensor, it offers precise flight control and stability. This controller features a built-in 5A 4-in-1 BLHELI_S ESC, supporting Dshot300 for seamless motor control. With an onboard ExpressLRS 2.4GHz receiver, the CrossF4 delivers low latency and reliable performance, making it ideal for racing and freestyle flying. Additionally, it includes a 16MB Blackbox for flight data logging, ensuring pilots can fine-tune their setups with ease.

Key Features:

Ø  High-Performance MCU: Features the STM32F411CEU6 MCU running at 100MHz, providing efficient and responsive flight control.

Ø  Integrated ExpressLRS Receiver: Built-in UART ExpressLRS 2.4GHz receiver with default firmware v3.0.1 for low-latency, high-speed communication.

Ø  Built-in 4-in-1 ESC: Includes a 5A BLHELI_S 4-in-1 ESC, supporting Dshot300 for smooth motor control and peak currents up to 6A.

Ø  Advanced Gyro Sensor: Equipped with the BMI270 sensor (SPI connection) for improved stability and precision in flight.

Ø  Onboard Blackbox: 16MB onboard flash memory for Blackbox logging, enabling detailed flight data analysis and tuning.

Specifications:

ü  Versatile Micro Flight Controller: Ideal for 1-2S micro drones, offering robust performance in a compact form factor.

ü  ExpressLRS Integration: Provides a highly responsive and reliable control link with low latency, crucial for racing and freestyle.

ü  Comprehensive Flight Data: The onboard Blackbox enables pilots to capture and analyze flight data, enhancing tuning and performance optimization.

ü  Efficient Power Management: Built-in 5V BEC and voltage detection ensure stable power supply and accurate monitoring for optimal performance.

ü  Seamless ESC Control: The 4-in-1 ESC supports multiple Dshot protocols, ensuring smooth and responsive motor control for agile flying.

Important Notes:

Ø  Firmware Compatibility: Ensure that your ExpressLRS TX module is updated to version 3.X before binding with the onboard ExpressLRS 2.4GHz receiver.

Ø  Battery Range: The flight controller supports 1-2S LiPo/LiHv batteries with a voltage range of 2.8V to 8.7V. Avoid exceeding this range to prevent damage.

Ø  ESC Current Limitations: The built-in 5A 4-in-1 ESC supports a peak current of 6A for up to 5 seconds. Exceeding this limit may result in ESC failure.

Ø  Blackbox Setup: To enable the onboard Blackbox, use the CLI commands provided for proper configuration and data logging.

Ø  Antenna Handling: The ExpressLRS antenna is a 31mm enameled copper wire. Handle it with care to avoid damaging the receiver’s performance.

Ø  ESC Protocols: The flight controller supports multiple ESC protocols (DSHOT150/300/600). Ensure your motor configuration is compatible for optimal performance.

The HappyModel CrossF4 ELRS BMI270 F411 Flight Controller is designed for pilots who demand precision and reliability in their micro FPV builds. Its onboard 5A 4-in-1 ESC, paired with the powerful STM32F411CEU6 MCU, ensures that even the most complex maneuvers are executed smoothly. The integrated ExpressLRS 2.4GHz receiver offers a seamless connection with low latency, making it perfect for high-speed racing or freestyle flying. Additionally, the BMI270 gyro sensor enhances flight stability, while the 16MB Blackbox allows for detailed flight data recording, helping pilots fine-tune their performance with every flight.