int vert = A0;
int horz = A1;
int btnSel = 2;

void setup() {
  // put your setup code here, to run once:
  pinMode(vert, INPUT);
  pinMode(horz, INPUT);
  pinMode(btnSel, INPUT_PULLUP);

  Serial.begin(9600);

}

void loop() {
  // put your main code here, to run repeatedly:

  if(analogRead(vert) > 512){
    Serial.println("↑");
  }else if(analogRead(vert) < 512){
    Serial.println("↓");
  }

  if(analogRead(horz) > 512){
    Serial.println("←");
  }else if(analogRead(horz) < 512){
    Serial.println("→");
  }

  if(digitalRead(btnSel) == LOW){
    Serial.println("x");
  }

}