int button=D2;
int led=D13;
void setup() {
  Serial.begin(115200);
  pinMode(led, OUTPUT);
  pinMode(button , INPUT_PULLDOWN);
  //pinMode(pot , INPUT);
}

void loop() {
  if (digitalRead(button) == HIGH)
  {
    digitalWrite(led, HIGH);
    Serial.println("Button pressed");
  }
  else
  {
    digitalWrite(led, LOW);
    Serial.println("Button released");
  }
  //analogWrite(led,analogRead(pot));
  //delay(1000);
}