void setup() {
  // put your setup code here, to run once:
  pinMode(A7, INPUT);
  pinMode(11, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
  int num = analogRead(A7);
  Serial.println(num);

  
  digitalWrite(11, HIGH);
  delay(num);
  digitalWrite(11, LOW);
  delay(num);
}