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BrainFPV RE1 F4 Flight Controller w/ OSD
BrainFPV RE1 F4 Flight Controller w/ OSD
BrainFPV RE1 F4 Flight Controller w/ OSD
BrainFPV RE1 F4 Flight Controller w/ OSD
BrainFPV RE1 F4 Flight Controller w/ OSD

BrainFPV RE1 F4 Flight Controller w/ OSD

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For RC Drone pilots, who need a high performance easy to use flight control system, BrainFPV RE1 (Racing Edition 1), is a flight controller that has a fully integrated graphical On-Screen-Display (OSD). Unlike any other flight controller, RE1's innovative design combines an OSD, a faster processor and the highest performance sensors all in one small package.

On-Screen Display

  • BrainFPV RE1 has an integrated full-graphic On-Screen Display (OSD). Having the OSD in the flight controller also saves you from the hassle of using a separate OSD, so you can keep your build clean and simple. Our OSD is fully configurable using the dRonin configuration software and also includes a menu to easily change settings in the field.
  • This is not your old character-based OSD, it has advanced features, such as 3D support when used with a 3D camera (e.g. NerdCam3D Mk.2). 


  • We use only the highest quality components and a 6 layer circuit board for optimal signal integrity. RE1 is designed, assembled and tested using cutting-edge equipment by the best men and women in New England. *Lobster roll not included*


  • The latest and fastest STM32 F4 processor, running at 180MHz, enables RE1 to run advanced flight control code with ease.


  • The latest accelerometers and gyroscopes from Bosch Sensortec running at 1.6kHz give RE1 unparalleled flight performance.


  • Participating in a race? We got you covered with RE1's integrated a multi-protocol (I-Lap, Trackmate) infrared (IR) transponder for lap timing. The transponder ID and protocol can quickly be changed in the field using the OSD menu. Race on!


  • We built dedicated hardware to control over 1000 programmable RGB LEDs. Crazy, we know. Use the OSD menu to easily change the LED color when racing.


  • RE1 stacks directly on top of the Mini Power Board (mPB) !!WITHOUT ANY WIRING!! to give you accurate current and voltage sensing as well as clean power for all your gear. Doesn't get much better. Or sexier.


  • Brilliantly designed with extendability in mind. Future accessory boards can be stacked on top of RE1, connecting to it using high speed interfaces without the fuss of wires. Yeah, we think ahead. 


  • Want to fly an octocopter? RE1 can control up to 8 motors. Want to attach accessories? Connect them using one of the two serial ports or the I2C port. Lost your drone? We added a dedicated buzzer port to help you find your drone when you crash (no worries, we've all been there). Sick of using external inverters for FrSky receivers and telemetry? No need for an external inverter here! RE1 has built-in inverters for both. Want more memory? We've included 128 Mbit of flash memory for settings and logging. What more could you want? A pony?


  • RE1 runs the dRonin flight stack, which does everything, including rendering the OSD.  dRonin includes an advanced autotune feature that allows you to easily tune your PID gains for super stable flight. We guarantee you will become a better pilot when you spend more time flying and less time tuning your drone.
  • Being open source, dRonin gives you the complete freedom to do whatever you want. Have a good idea? Don't be afraid to contribute, we welcome you!


  • Processor: STM32F446RET6, Coretx-M4, 32bit, 180MHz, 128kB RAM, 512kB Flash.
  • IMU: Bosch Sensortec BMI160 running at 1.6kHz, connected using SPI.
  • OSD: Full-graphic, PAL/NTSC auto detect, adjustable black and white levels. 4 fully customizable pages and a menu. Support for side-by-side 3D when used with a 3D FPV camera (e.g. NerdCam3D Mk.2).
  • Flash memory: 128Mbit (16MB) high-speed SPI flash memory with up to 0.5MB/s write/erase speeds.
  • PWM Outputs: 6 or 8 (if serial port is configured as PWM output) with normal PWM and OneShot (OneShot125, OneShot42, MultiShot) support.
  • Receiver Support: PPM, S.Bus (inverter built-in), DSM, HoTT. Selectable 5V or 3.3V supply for receiver. Receiver is powered from USB for easy and safe setup. 
  • Telemetry Support: FrSKY Smart Port, FrSKY Sensor Hub, HoTT Telemetry, UAV Talk, Light Telemetry. Built-in inverter for FrSKY telemetry.?
  • RGB LEDs: Dedicated hardware to control up to 1024 WS2812B RGB LEDs via SPI. The LED port uses 5V logic for direct compatibility with WS2812B LEDs.
  • IR Emitter: Dedicated hardware for infrared based lap timing with multi-protocol support (I-Lap, Trackmate).
  • Buzzer Port: Dedicated port for 5V (100mA max) buzzers.
  • Analog Inputs: 3 analog inputs (3.3V max.) for voltage, current, rssi sensing.
  • Extension Port: Hirose DF40 connector with SPI, I2C, serial interfaces, power and GPIO signals.
  • Power: 4.5V to 5.5V, 150mA.
  • Dimensions: 36mm x 36mm, 30.5mm hole spacing.
  • Weight: 8 grams.