Modules

Module	Specification	Function	Note
Main Unit	Based on ESP32-D0WD-V3	Core Module
ELM327 Adapter	BT3.0 or BLE	Used for communication between ADU and vehicle	Recommended for Vgate iCar Pro BLE & Vgate iCar 2S
Main Display Module	1.6" 130*130 TFT sun screen	Used for main display
Secondary Display Module	1.3" 128*32 OLED	Used for additional display
Environment Sensor	SHT30 + QMP6988	Used for ambient temperature, humidity and atmospheric pressure
Gyro Module	WitMotion JY61P	Used for measuring the vehicle's pitch (gradient) and roll angle	Soldered inside the main unit
GPS Module		Used for GPS positioning, obtaining vehicle GPS speed, altitude, position, direction and other information.
Light Sensor		Used for automatically adjusting the brightness of the display according to the ambient light intensity.
Button		Used for switching the display interface and adjusting the settings
Cables		Used for connecting the main unit to external modules