#define BLUNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL68EXUTPpw"
#define BLYNK_TEMPLATE_NAME "DOAN1"
#define BLYNK_AUTH_TOKEN "8XrcLkdLjX204mpAfiaIfiTVYKbkwqkU"
#include <WiFi.h> 
#include<WiFiClient.h> 
#include<BlynkSimpleEsp32.h> 
#include<string.h> 
#include "DHT.h"
#define DHTTYPE DHT22 
#define DHTPIN 33 
DHT dht(DHTPIN,DHTTYPE); 
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST"; 
char pass[] =""; 
BlynkTimer timer;
#define LED_RED 17 
#define LED_GREEN 16
#define BUTTON_1 2   
#define BUTTON_2 4    
int button1 = 0, button2 = 0, state = 0;
BLYNK_WRITE(V2) {
  button1 = param.asInt();
  if(button1 == 1) {
    state = 0;
  }
  else;
} 
BLYNK_WRITE(V3) {
  button2 = param.asInt();
  if(button2 == 1) {
    state = 1;
  }
  else;
} 
void setup() {
  pinMode(LED_RED, OUTPUT);
  pinMode(LED_GREEN, OUTPUT);
  pinMode(BUTTON_1, INPUT_PULLUP);
  pinMode(BUTTON_2, INPUT_PULLUP);
  Serial.begin(115200);
  dht.begin(); //khởi động cảm biến DHT
  Blynk.begin(auth, ssid, pass);
}
void loop()
{
  float t= dht.readTemperature(); 
  float h= dht.readHumidity(); 
  if(state==0){
    digitalWrite(LED_GREEN, HIGH);
    if (t > 50) {
      digitalWrite(LED_RED, HIGH); delay(1000);
      digitalWrite(LED_RED, LOW); delay(1000);
    } else digitalWrite(LED_RED, LOW);
  }
  else{
    digitalWrite(LED_RED, HIGH);
    if (t > 50) {
      digitalWrite(LED_GREEN, HIGH); delay(1000);
      digitalWrite(LED_GREEN, LOW); delay(1000);
    } else digitalWrite(LED_GREEN, LOW);
  }
  
  // Kiểm tra trạng thái nút nhấn
  if (digitalRead(BUTTON_1) == LOW) {
    state = 0; delay(100);
  } else;
  
  if (digitalRead(BUTTON_2) == LOW) {
    state = 1; delay(100);
  } else;
  Blynk.virtualWrite(V0,t); 
  Blynk.virtualWrite(V1,h);
  Serial.print("\n");
  Serial.println("Humidity: " + String(h) + "%");
  //Serial.print("\t");
  Serial.println("Temperature:" + String(t) + " C");
  //Serial.print("\n");
  delay(2000);
  Blynk.run(); //CHẠY BLYNK
  timer.run();
}