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BrainFPV Radix LI 20mm x 20mm Flight Controller

 

The BrainFPV Radix LI is the world's first 20mm x 20mm flight controller with a graphical OSD.  On top of the normal Betaflight OSD, RADIX LI on-screen-display gives you extra features you can't get anywhere else. Proudly show off your pilot and team logo using the logo customizer with just a click of a button. Extra features also include a graphical barometer scale, artificial horizon, gyro spectrograph, RC stick display, 3D OSD support and more!

Radix Graphical OSD
Radix Graphical OSD

Compared to the original Radix, the LI is smaller, has a built-in regulator so it can be powered directly from 3s-6s power, and has had the barometer and sd card slot removed.  It still features the only flight controller that uses the Bosch Sensortec BMI160 gyro, which has proven to perform better than gyros used in other flight controllers.  

Specifications:

  • Processor: STM32F446RET6, Coretx-M4, 32bit, 180MHz, 128kB RAM, 512kB Flash.
  • IMU: Bosch Sensortec BMI160 running at 3.2kHz, connected using SPI.
  • OSD: Full-graphic, PAL/NTSC auto detect, adjustable black and white levels. Full Betaflight OSD support with extra graphical features. Support for side-by-side 3D when used with a 3D FPV camera.
  • Motor Outputs: 6 outputs with full DSHOT (150/300/600/1200) and OneShot support.
  • Receiver Support: PPM, S.Bus (inverter built-in), DSM, HoTT,  SRXL, CSRF, FPort ready. 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, SRXL, CSRF, FPort ready. Built-in inverter for FrSKY telemetry.
  • Serial Ports: 4 full serial ports (UARTs). UART3 and UART6 have inverters for S.Bus and SmartPort telemetry. Inverters are automatically enabled/disabled for maximum flexibility. 
  • RGB LEDs: Dedicated RGB LED output.
  • Camera Control: Dedicated output for accessing the camera menu to change camera settings.
  • Buzzer Port: Dedicated port for 5V (100mA max) buzzers.
  • Analog Inputs: Voltage sensing  (VBAT), current input (3.3V max).
  • Power: 3S - 6S (7.5V - 26V), 500mA BEC
  • Dimensions: 26.5mm x 26.5mm, 20mm hole spacing. 4.1mm holes for anti-vibration grommets for M3 screws.
  • Weight: 4g

Includes:
1x RADIX LI flight controller
4x Silicone anti-vibration grommets
1x BrainFPV 4-in-1 ESC cable kit

Download Custom Defiance RC OSD Logo
BrainFPV Radix LI Documentation

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