void setup() {
  // put your setup code here, to run once:
  pinMode(A1, INPUT);
  Serial.begin(115200);
  pinMode(8, OUTPUT);
}

void loop() {
  int a = analogRead(A1);
  Serial.println(a);
  delay(10);
  if (a >= 322) {digitalWrite(8, HIGH);}
  else {digitalWrite(8, LOW);}
}