int S0 = 8;
int S1 = 9;
int S2 = 10;
int S3 = 11;

int digitalPinArray[] = {S3, S2, S1, S0};

void setup() {
  // put your setup code here, to run once:
  pinMode(S0, OUTPUT);
  pinMode(S1, OUTPUT);
  pinMode(S2, OUTPUT);
  pinMode(S3, OUTPUT);

  digitalWrite(S0, LOW);
  digitalWrite(S1, LOW);
  digitalWrite(S2, LOW);
  digitalWrite(S3, LOW);
}

void loop() {
  // put your main code here, to run repeatedly:
  int value = analogRead(A0);
  Serial.println(value);
  delay(25);
  // int8_t test = 0;
  

}