HappyModel CrazyBee F4 Pro V2.1 Brushless Flight Controller (2-3S / FrSky)

Regular price $41.99

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Note: This flight controller must be installed with the USB port facing up. However, if you need to install it with the USB facing down, then you will need to copy and paste the following commands into the CLI, and reset the board orientation to default.

resource MOTOR 3 B07
resource MOTOR 4 B08
resource MOTOR 1 B10
resource MOTOR 2 B06

Also, make sure you are using Betaflight configurator 10.4 which can be downloaded here (https://chrome.google.com/webstore/detail/betaflight-configurator/kdaghagfopacdngbohiknlhcocjccjao?hl=en)


  • (Frsky version) CRAZYBEE F4FR PRO V2.1 Firmware target: CrazybeeF4FR
  • MCU:STM32F411CEU6 (100MHZ, 512K FLASH)
  • Sensor: MPU-6000(SPI connection)
  • Board size: 28.5 * 28.5MM
  • Power supply: 2-3S battery input (DC 7.4-13V)
  • Built-in 5A(each) Blheli_S 4in1 ESC Dshot600 ready
  • Frsky version Built-in SPI Frsky receiver with telemetry(D8/D16 switchable) EU-LBT support
  • Built-in Betaflight OSD(SPI Control)
  • Built-in Current meter Max 28A
  • Current meter scale set to 1175
  • Built-in 5V 1A BEC with LC filter
  • Built-in voltage detection
Onboard 4in1 ESC
  • MCU upgraded to EFM8BB21
  • Power supply: 2-3S LiPo/LiPo HV (7.4v/13v)
  • Current: 5A continuous peak 6A (5 seconds)
  • Support BLHeliSuite programmable
  • Factory firmware: S_H_50_REV16_7.Hex
  • Default protocol: DSHOT600
Frsky receiver Version
  • SPI BUS receiver
  • Frsky D8/D16 switchable
  • Compatible both Non-EU and EU-LBT transmitter Channels: 8ch or 16ch EU-LBT support (need to update betaflght v4.0 date 2019-04-11)
  • Failsafe support
  • No ground interference ( Transmitter and receiver 1 m from the ground): 300m
Package includes:
  • Crazybee F4 PRO V2.1 flight controller
  • XT30 Pigtail
  • 5pin-5pin SH1.0 Plug ( used for connect with Whoop_vtx or Diamond_vtx)
  • 2x 1s PH2.0 Serial connect power wire
  • Rubber damping balls set



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