Happymodel CrossF4 ELRS 1-2S Flight Controller

CrossF4 ELRS 1-2S flight controller for FPV WHOOP with BMI270 IMU and serial UART ELRS V3.0 receiver Special Notes, Regarding this flight controller  ***Bind procedure is the same like Happymodel EP1/EP2 receiver , need to upgrade your ExpressLRS TX module to V3.X version first Onboard blackbox enable method: Type the following command to CLI: within betaflightset blackbox_device = SPIFLASHset flash_spi_bus = 2resource FLASH_CS 1 a14save Flight controller Firmware target: CRAZYBEEF4DX4.3.2MCU: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 readyBuilt-in Betaflight OSD(SPI Control)Built-in UART ExpressLRS 2.4Ghz receiver(Default firmware ExpressLRS v3.0.1)Built-in 5V 1A BECBuilt-in voltage detection and current sensorBuilt-in Onboard flash 16Mb for Backbox Onboard 4in1 ESC MCU upgraded to EFM8BB21Power supply: 1-2S LiPo/LiPo HV (2.8v~8.7v)Currents: 5A conti