Crazybee F4 Pro V3.0 2-4S compatible flight controller
(Frsky version) CRAZYBEE F4FR PRO V3.0 Firmware target: CrazybeeF4FR (Flysky version) CRAZYBEE F4FS PRO V3.0 Firmware target: CrazybeeF4FS (No RX version) CRAZYBEE F4 PRO V3.0 Firmware target: CrazybeeF4DX MCU:STM32F411CEU6 (100MHZ, 512K FLASH) Sensor: MPU-6000(SPI connection) Board size: 28.5 * 28.5MM Power supply: 2-4S battery input (DC 7-17V) Built-in 10A(each) Blheli_S 4in1 ESC Dshot600 ready Frsky…