HappyModel CrossF4 AIO 1-2S Flight Controller BMI270 + 5A 4IN1 ESC UART 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.
Alternative-Binding-Method-for-UART-Based-ELRS-RX
Happymodel CrossF4 ELRS 1-2S Flight Controller with Onboard UART ExpressLRS 2.4GHz Receiver
Specification:
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
- Can 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
save
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