Discoussion on RCGroups: Link
Features:
STM32F722 Cotex-M7 MCU 216MHz with 512KB Flash
ICM20602 6-axis Gyro & Accelerometer
BMP280 Barometer
SLC NAND SPI FLASH 128MB
Built-in OSD
Full dc-dc power rails 3.3V/0.5A, 5V/2A and 9V/1.5A
Core 5V & USB power rails with advanced power mux function
9V power on/off can be controlled by transmitter
Exclusive connector for Ares 60A 4IN1 ESC and DJI FPV Air Unit Module
4 default ESC signal channels and up to 6
5 UART serial ports
Cam control rc filter circuit compatible with most cameras
Dimensions 37x37mm and mounting hole 30.5x30.5mm
Voltage 3~4S (DJI air module used) or 3~8S
Manual: