HappyModel CruxF405HD 2-4S F4 AIO 20x20 Flight Controller (w/ 20A 8Bit 4in1 ESC & 2.4GHz ELRS RX)

The CruxF405HD ELRS AIO flight controller comes with integrated UART 2.4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre-installed) which could support 2-4s battery. Bigger Mosfet could support high to 20A currents would be better for 2-4S toothpick drone or long range FPV drone. Reserved 6 pin socket for DJI HD equipment plug and play. It’s a great solution of build HD digital FPV drone . Check out our other AIO flight controllers, and the rest of our Happymodel offerings. NOTES: If upgrade firmware to betaflight 4.4.x , need to add custom Defines “GYRO_SPI_ICM42688P ACC_SPI_ICM42688P” from build configuration of Betaflight configurator otherwise gyro may not be recognized.  Features Integrated UART 2.4GHz ExpressLRS receiver and 20A Blheli_s ESC(Bluejay firmware pre-installed) Big Mosfets that support high 20A currents Great for 2-4S toothpick Reserved 6 pin socket for DJI HD equipment plug & play.   Specifications Flight controller MCU: STM32F405RGT6 (1