#include "DHT.h"
#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  
  Serial.begin(9600);
  dht.begin();
  pinMode(2, INPUT);
  // float t= dht.readTemperature();
   Serial.println("micro is start!!");

}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(2)==LOW){
    Serial.print("button active");
    delay(200);

  }

}