HappyModel CrossF4 AIO 1-2S Flight Controller BMI270 + 5A 4IN1 ESC SPI ELRS V3.0

  • $49.00
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Product Description:

HappyModel CrossF4 AIO 1-2S Flight Controller BMI270 + 5A 4IN1 ESC SPI ELRS V3.0

***Bind procedure is the same like Happymodel EP1/EP2 receiver , need to upgrade your ExpressLRS TX module to V3.X version first. 

Happymodel CrossF4 ELRS 1-2S Flight Controller with Onboard UART ExpressLRS 2.4GHz Receiver


Flight controller

  • Firmware target: CRAZYBEEF4DX4.3.2
  • MCU:STM32F411CEU6 (100MHz, 512K FLASH)
  • Sensor: BMI270(SPI connection)
  • Power supply: 1-2S Lipo Lihv battery input (DC 2.8V~8.7V)
  • Built-in 5A(each) Blheli_S 4in1 ESC Dshot300 ready
  • Built-in Betaflight OSD(SPI Control)
  • Built-in UART ExpressLRS 2.4Ghz receiver(Default firmware ExpressLRS v3.0.1)
  • Built-in 5V 1A BEC
  • Built-in voltage detection and current sensor
  • Built-in Onboard flash 16Mb for Blackbox


Onboard 4in1 ESC

  • MCU upgraded to EFM8BB21
  • Power supply: 1-2S LiPo/LiPo HV (2.8v~8.7v)
  • Currents: 5A continuous peak 6A (5 seconds)
  • Support BLHeliSuite programmable
  • Default Factory firmware: S_H_50_REV16_8.HEX
  • Support ESC Protocol: DSHOT150/DSHOT300/DSHOT600


Onboard UART ExpressLRS 2.4GHz Receiver

  • Packet Rate option: 25Hz/50Hz/150Hz/250Hz/500Hz
  • RF Frequency: 2.4GHz
  • Antenna: enameled copper wire 31mm length
  • Telemetry output Power: <12dBm
  • Receiver protocol: CRSF
  • Default firmware version: ExpressLRS V3.0.1
  • The same hardware with Happymodel EP1
  • Could update firmware via ExpressLRS configurator


Onboard blackbox enable method:

Type the following command to CLI:
set blackbox_device = SPIFLASH
set flash_spi_bus = 2
resource FLASH_CS 1 a14

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