This module has two buttons of different colors. They share exactly the same mechanism, the status of the button can be detected by the status of the input pin, just capture the high / low electrical level.

This unit communicates with the M5Core through the Grove B port.

The Joystick is very similar to the 'analog' joystick on PS2 controllers (PlayStation 2). The X and Y axes are two 10k potentiometers that control 2D movement, generating analog signals. The joystick also has a button that can be used for special applications, so the entire unit can emit X-Y movement signals in both directions and in the Z direction.

This unit communicates with the MSCore via the GROVE A interface. The I2C address is 0x52, Reading the data transferred from the Joystick, you can obtain the movement information from the Joystick.