#define LED_BUILTIN 2
#define inputPin 16
#define analogPin 36


void setup() {
  // put your setup code here, to run once
  pinMode(LED_BUILTIN, OUTPUT);
  digitalWrite(LED_BUILTIN, LOW);
  pinMode(inputPin, INPUT_PULLUP);
  
  Serial.begin(115200);
}

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

  while(analogRead(analogPin)>100){
    blink();
    Serial.println(".");
  } 
  Serial.println(analogRead(analogPin));
}

void blink()
{
  digitalWrite(LED_BUILTIN, HIGH );
  delay(100);
  digitalWrite(LED_BUILTIN, LOW);
  delay(100);
}