HappyModel Cross F4

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  • $45.00

Introducing the Happymodel Cross F4 flight controller - the latest flight controller from Happymodel This innovative device is packed with advanced features that will take your aerial adventures to new heights.

One of the standout components of the Cross F4 is its BMI 270 gyro. This state-of-the-art sensor provides excellent stability and accuracy, making it easier than ever to achieve smooth, precise flight control.

In addition to the BMI 270 gyro, the Cross F4 also boasts serial-based ELRS V3.0 technology. This advanced radio system offers lightning-fast communication between your drone and remote control.

The Cross F4 also features a brand new cross layout design that is lighter than ever before. This streamlined design reduces weight without compromising durability or functionality.

And with its 1-2s capability, the Cross F4 is a versatile flight controller that can handle a wide range of different drone configurations. 

Betaflight configuration:

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

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