Introduction

<note tip>OSD （On-screen Display）is an image superimposed on a screen picture. When used by a model airplane, it enables the flight data to be superimposed on the camera video and passed to the receiver by video transmitter. The receiver can supervise the flight condition with the real-time image and data.</note>

• 168 MHz Cortex M4F CPU (256 KB RAM, 2 MB Flash)
• Sensors: 3D ACC / Gyro / MAG / Baro
• Integrated backup, override and failsafe processor with mixing
• microSD slot, 5 UARTs, CAN, I2C, SPI, ADC, etc