HappyModel CrossF4 ELRS BMI270 F411 Flight Controller Onboard 4in1 5A ESC UART ELRS 2.4GHz RX 1-2S

HappyModel CrossF4 ELRS BMI270 F411 Flight Controller Onboard 4in1 5A ESC UART ELRS 2.4GHz RX 1-2S

Regular price $135.99 Sale price$72.99 Save $63.00
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Betaflight configuration:


***Bind procedure is the same like Happymodel EP1/EP2 receiver , 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

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Top quality as ever at good prices. They deliver fast.


Los Angeles, CA

Easy transaction! First time user, but would definitely buy again.''

Jake Wilson

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Los Angeles, CA

Items Exactly As Describes Very Quick to ship and Good Communication From Seller.

Los Angeles, CA

Great Services at Good Price Bought a Few Items and Have Never been disappointed.

Los Angeles, CA