HiLetgo Game Controller JoyStick Breakout Module For PS2 Arduino High-quality rocker, long life, stable performance. Two analog outputs, all the way to digital output. X, Y-axis output for the two potentiometers, you can read through the AD conversion twist angle. Like the next press the joystick, you can move all the way to touch the authority for the digital output, has been pulled. For two degrees of freedom servo PTZ control or other remote proportional control.