#include <Servo.h>  // add servo library
 
Servo myservo;  // create servo object to control a servo
 
int jPin = A0;  // analog pin used to connect the joystick (INPUT)
int servoPin = 9; // pwm pin used to connect the servo (OUTPUT)
int servoVal;

void setup() {
  myservo.attach(servoPin);  // attaches the servo on pin 9 to the servo object
  Serial.begin(9600);
}
 
void loop() {
              
  int joystickXVal = analogRead(jPin);  //read joystick input on pin A1
  if(joystickXVal >= 500 && joystickXVal <= 524){
    servoVal = 90;
    myservo.write(servoVal); 
  }
  else if(joystickXVal < 500){
    servoVal = map(joystickXVal, 499, 0, 91, 180);
    myservo.write(servoVal);
  }
  else{
    servoVal = map(joystickXVal, 524, 1023, 90, 0);
    myservo.write(servoVal);
  }
  delay(20);
  Serial.print(joystickXVal);                //print the value from A1
  Serial.print(" = input from joystick");  //print "=input from joystick" next to the value
  Serial.print(" ; ");
  Serial.print(servoVal); 
  Serial.println(" = output to servo");      //print "=output to servo" next to the value

}