#include <DHT.h>
#define DHT22_PIN A3
#define led D2
DHT dht22(DHT22_PIN, DHT22);
void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(led, OUTPUT);
  dht22.begin();
}

void loop() {
  // put your main code here, to run repeatedly:
  float humi = dht22.readHumidity();
  float tempC = dht22.readTemperature();
  float tempF = dht22.readTemperature(true);
  if(isnan(tempC)||isnan(tempF)||isnan(humi)){
    Serial.println("Failed to read from DHT22 sensor!");
  }
  else{
    Serial.print("Temp:");
    Serial.print(tempC);
    Serial.print("°c~");
    Serial.print(" | ");
    Serial.print("Humi:");
    Serial.print(humi);
    Serial.print("%");
    Serial.print(" | ");
  }
    if(tempC>35){
      digitalWrite(led, HIGH);
    }
   else{
    digitalWrite(led, LOW);
   }
  delay(2000);
}