Code for interfacing a Joystick Module with Arduino UNO.

Arduino_Joystick_Interface.ino

const int xPin = A0;                                               
const int yPin = A1;
const int switchPin = 2;

int xValue;
int yValue;
int switchValue;

void setup() 
{
  Serial.begin(9600);
  pinMode(switchPin, INPUT_PULLUP);
}

void loop() 
{
  switchValue = digitalRead(switchPin);
  xValue = analogRead(xPin);
  yValue = analogRead(yPin);
  
  Serial.print("Switch:  ");
  Serial.print(switchValue);
  Serial.print("\n");
  Serial.print("X-axis: ");
  Serial.print(xValue);
  Serial.print("\n");
  Serial.print("Y-axis: ");
  Serial.print(yValue);
  Serial.print("\n\n");
  delay(1000);
}