Matek Systems F411-WING ( ) STM32F411 Flight Controller Built-in OSD for RC Airplane

Description

--Built in inverter for SBUS input (UART1-RX), SoftSerial_Tx1: ST1 pad by default. --Adopting OSD: INAV OSD w/ AT7456E chip, high performance. --MCU: 100MHz STM32F411, IMU: MPU6000 accelerometer/gyro (SPI).