It is like a game console joystick, you can control the joystick module input x, y, z of PS2 joystick game controller module Joystick Values, and to achieve a particular value in a function, it can be considered a combination of buttons and a potentiometer.
Data Type of x, y dimension for the analog input signal is a digital input signal z dimension, therefore, x and y connected to the analog port Pin sensor end, and z port is connected to the digital port.