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DarkMatter BRAHMA F4 MK-III STM32F405 Flight Controller Made In India

₹4,609.00 (Inclusive of all taxes)
Out of Stock

The DarkMatter BRAHMA F4 MK-III is a feature-rich STM32F405-based flight controller designed for advanced FPV and multirotor builds, offering robust sensor integration, dual BEC outputs, and extensive connectivity for GPS, telemetry, and OSD systems.

Features

  • High-performance STM32F405 32-bit microcontroller for advanced flight algorithms and stable control.
  • Integrated Bosch BM1270 6-axis IMU and DPS310 barometer for precise altitude hold and motion detection.
  • Onboard AT7456E OSD chip for real-time flight data overlay directly in your FPV feed.
  • Dual BEC outputs: 5V/2A and 9V/2A for powering peripherals like VTXs, receivers, and cameras.
  • Standard 30.5×30.5mm M4 mounting pattern for compatibility with a wide range of FPV drone frames.

Out of stock

Description

The DarkMatter BRAHMA F4 MK-III Flight Controller is engineered around the powerful STM32F405 microcontroller, providing the computational headroom required for complex flight control tasks, aggressive FPV maneuvers, and stable autonomous flight modes. Its compact, professionally laid-out PCB integrates a high-grade Bosch BM1270 inertial measurement unit and a sensitive DPS310 barometric sensor, delivering accurate attitude and altitude data critical for acro, horizon, and altitude hold modes in firmware like Betaflight and iNav.

Designed for seamless system integration, the controller features multiple UART serial ports, I2C interfaces, and PWM outputs, allowing for the direct connection of GPS modules, telemetry radios, and other peripherals without the need for external adapters. The inclusion of a dedicated AT7456E OSD processor enables clean, customizable on-screen display generation, while the 32MB Winbond flash provides ample storage for high-resolution blackbox logging to fine-tune flight performance.

Key Features

  • High-Integrity Flight Processing: STM32F405 MCU with ARM Cortex-M4 core and hardware FPU ensures smooth, low-latency control loops for responsive piloting.
  • Premium Sensor Fusion: Bosch BM1270 6-axis gyro/accelerometer combined with DPS310 barometer offers stable flight in varying atmospheric conditions.
  • Professional-Grade OSD: Integrated AT7456E chip supports full-featured, customizable on-screen display overlays for battery voltage, RSSI, flight mode, and more.
  • Robust Power Delivery: Dual switching BEC regulators (5V/2A & 9V/2A) provide clean, stable power to sensitive FPV components, reducing video noise and receiver interference.
  • Extensive Connectivity: Multiple UARTs, I2C, and dedicated PWM outputs facilitate easy expansion with GPS, telemetry, LED strips, and servo-driven payloads.
  • Durable Construction: Manufactured with high-quality components and a reinforced PCB, designed for the physical demands of FPV racing and freestyle.
  • Ample Data Logging: 32MB of onboard Winbond flash memory allows for extensive blackbox logging at high sample rates to diagnose and tune flight characteristics.
  • Modern USB Interface: USB Type-C port provides reliable connectivity for configuration, firmware updates, and blackbox data retrieval.

Applications

  • High-performance 5-inch FPV racing drones requiring precise control and extensive blackbox logging for tuning.
  • Long-range and autonomous mapping drones utilizing GPS modules and telemetry for extended navigation.
  • Freestyle FPV builds where robust sensor data and stable BEC power are critical for reliable video transmission and control.
  • Cinewhoop and cinematic drone platforms that benefit from altitude hold and clean OSD integration for pilot awareness.
  • Custom multirotor projects requiring multiple UARTs for peripherals like GPS, VTX control, and telemetry systems.

Technical Specifications

Item TypeFlight Controller
Processor (MCU)STM32F405
Gyroscope (IMU)Bosch BM1270 6-axis
BarometerDPS310
On-Screen Display (OSD)AT7456E
Blackbox Flash32MB Winbond
USB PortType-C
BEC Output 15V @ 2A
BEC Output 29V @ 2A
Mounting Hole Pattern30.5mm x 30.5mm (M4 holes)
Shipping Weight0.038 kg
Shipping Dimensions9 cm x 5 cm x 2 cm

Frequently Asked Questions

What firmware is compatible with the DarkMatter BRAHMA F4 MK-III flight controller?

The BRAHMA F4 MK-III is compatible with popular open-source firmware such as Betaflight, iNav, and EmuFlight, which support the STM32F405 microcontroller. You can connect via USB Type-C to configure flight modes, PID tuning, and OSD settings through the respective configurator tools.

What is the input voltage range for the flight controller's BEC outputs?

The flight controller itself is designed to be powered directly from your main LiPo battery via a regulated power source or PDB. Its onboard BECs then generate stable 5V and 9V outputs, each capable of delivering up to 2A. Ensure your main battery input does not exceed the voltage limits of your connected peripherals.

How do I connect a GPS module to this flight controller?

Connect your GPS module to one of the available UART (serial) ports on the flight controller, typically using the TX/RX pins. You will also need to connect the GPS module's power leads to a suitable BEC output (5V). Then, enable the GPS protocol (e.g., u-blox, NMEA) in your flight firmware's configuration and set the correct UART for GPS functionality.

Package Includes

  • 1 x DarkMatter BRAHMA F4 MK-III STM32F405 Flight Controller

Additional Information

Weight 0.038 kg
Dimensions 9 × 5 × 2 cm