#include "DHT.h"
#define DHTPIN 3
#define DHTTYPE DHT22  //declare type of dht sensor
int btn1 = 7;


DHT el(DHTPIN, DHTTYPE);
void setup() {
  pinMode(btn1, INPUT);
  Serial.begin(9600);
  el.begin();

}

void loop() {
  float t = el.readTemperature();
  float h = el.readHumidity();
  Serial.print("temperature = ");
  Serial.print(t);
  Serial.println(".C");
  Serial.print("humidity = ");
  Serial.print(h);
  Serial.println("%");
  delay(1000);
  /* bool btnState = digitalRead(btn1);
  Serial.print("button signal= ");
  Serial.println(btnState); */
  
}