#define BLYNK_PRINT Serial

/* Fill in information from Blynk Device Info here */
#define BLYNK_TEMPLATE_ID "TMPL67B5MXc1M"
#define BLYNK_TEMPLATE_NAME "DHT Buzz LCD"
#define BLYNK_AUTH_TOKEN "_yKWzJ27M0S_x-1tGSRUXBcBGyipD9Ck"

#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>


#include <DHT.h>
#define DHTPIN D5      // What digital pin we're connected to
#define DHTTYPE DHT11  // DHT 11
DHT dht(DHTPIN, DHTTYPE);

#include <LCD_I2C.h>
LCD_I2C lcd(0x27, 16, 2);

const int buzz = D0;
int enable, setpoint;

BlynkTimer timer;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "adi punya";
char pass[] = "solok123";



void sendSensor() {

  float suhu = dht.readTemperature();  // or dht.readTemperature(true) for Fahrenheit
  Blynk.virtualWrite(V0, suhu);
  lcd.setCursor(0, 0);
  lcd.print("t:");
  lcd.setCursor(2, 0);
  lcd.print(suhu);

  float kelembaban = dht.readHumidity();
  Blynk.virtualWrite(V1, kelembaban);
  lcd.setCursor(9, 0);
  lcd.print("h:");
  lcd.setCursor(11, 0);
  lcd.print(kelembaban);

  //  if (isnan(kelembaban) || isnan(suhu)) {
  //   Serial.println("Failed to read from DHT sensor!");
  //   return;
  // }

  if (suhu >= setpoint && enable == 1) {
    digitalWrite(buzz, 1);
    Blynk.virtualWrite(V4, 1);
    lcd.setCursor(11, 1);
    lcd.print("b:ON ");
  } else {
    digitalWrite(buzz, 0);
    Blynk.virtualWrite(V4, 0);
    lcd.setCursor(11, 1);
    lcd.print("b:OFF");
  }

  if (enable == 1) {
    lcd.setCursor(5, 1);
    lcd.print("e:ON ");
  } else {
    lcd.setCursor(5, 1);
    lcd.print("e:OFF");
  }

  lcd.setCursor(0, 1);
  lcd.print("s:");
  lcd.print(setpoint);
  lcd.print(" ");
//  delay(10000);
//  lcd.clear();

  
}

BLYNK_WRITE(V2) {
  setpoint = param.asInt();  // assigning incoming value from pin V1 to a variable
}
BLYNK_WRITE(V3) {
  enable = param.asInt();
}

void setup() {
  // Debug console
  Serial.begin(9600);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  dht.begin();

  lcd.begin();
  lcd.backlight();

  pinMode(buzz, OUTPUT);

  // Setup a function to be called every second
  timer.setInterval(1000L, sendSensor);
}

void loop() {
  Blynk.run();
  timer.run();
}