#include "DHTesp.h"
int red = 2;
int green = 4;
int blue = 5;

float temp;
float hum;
int relay = 12;
const int DHT_PIN = 15;
DHTesp dhtSensor;
void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(red, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(relay, OUTPUT);
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  temp = data.temperature;
  hum= data.humidity;
  Serial.print("อุณหภูมิ : ");
  Serial.print(temp);
  Serial.println(" องศา");
  Serial.print("ความชื้น : ");
  Serial.print(hum);
  Serial.println(" %");
  
  if(hum<50){
    digitalWrite(relay, HIGH);
    
  }
  else{
    digitalWrite(relay, LOW);
  }
  if(temp<20){
    digitalWrite(blue, HIGH);
    digitalWrite(green, LOW);
    digitalWrite(red, LOW);
  }
  else if(temp>=20&& temp<=40){
    digitalWrite(blue, LOW);
    digitalWrite(green, HIGH);
    digitalWrite(red, LOW);
  }
  else if(temp>40){
    digitalWrite(blue, LOW);
    digitalWrite(green, LOW);
    digitalWrite(red, HIGH);
  }
  else{
    Serial.println("Error");
  }
  delay(1000);
  

  
  /*
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
  */
}
NOCOMNCVCCGNDINLED1PWRRelay Module