#define BLYNK_TEMPLATE_ID "TMPL6armWccga"
#define BLYNK_TEMPLATE_NAME "ESP32 Desain Aplikasi dan IoT"
#define BLYNK_AUTH_TOKEN "PRM614I-PcePXMcptJmVnRfv91zvQGAs"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>
#include <HX711.h>

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 2          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

#define HX711_DOUT  18  // Ganti dengan pin data (DT) yang Anda gunakan
#define HX711_SCK   19  // Ganti dengan pin clock (SCK) yang Anda gunakan
HX711 scale;

//LAMPU LED PADA ESP32 STICH PADA BLYNK
int SW_state = 0;

BLYNK_WRITE(V4)
{
  SW_state = param.asInt();
  if(SW_state == 1){
    Serial.println("Switch on..");
    digitalWrite(22, HIGH);
    Blynk.virtualWrite(V4, HIGH);
  }
  if(SW_state == 0){
    Serial.println("Switch off..");
    digitalWrite(22, LOW);
    Blynk.virtualWrite(V4, LOW);
  }
}


const int ld_cell=18;
const int ld_sck=19;


void setup(){
   Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
  
  dht.begin();
  timer.setInterval(2500L, sendSensor);
  
  scale.begin(HX711_DOUT, HX711_SCK);
  scale.set_scale(); // Atur faktor skala yang sudah dihitung
  scale.tare(); // Atur nol awal (tare)
  //scale.begin(ld_cell,ld_sck);

  //BUTTON PADA ESP32 dengan LAMPU PADA BLYNK
  pinMode(22, OUTPUT);
  pinMode(35, INPUT);


}

void loop(){
  Blynk.run();
  timer.run();
  
  //if(scale.is_ready()){
    //scale.set_scale();
    //Serial.println("Tare reset");
    //delay (5000);
    //scale.tare();
    //Serial.println("Tare done..");
    //Serial.println("Now put weight..");
    //delay(5000);
    //long reading = scale.get_uints(10);
    //Serial.println(reading);
  //}

  //TOMBOL PADA ESP32 dan LAMPU PADA BLYNK
  if(digitalRead(35) == 1){
    Blynk.virtualWrite(V3, HIGH);
    Serial.println("Blinking..");
  }
  if(digitalRead(35) == 0){
    Blynk.virtualWrite(V3, LOW);
  }
  

  delay(100);


}
void sendSensor(){
  float h = dht.readHumidity();
  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  float weight = scale.get_units();

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

  Blynk.virtualWrite(V1, h);
  Blynk.virtualWrite(V0, t);
  Blynk.virtualWrite(V2, weight/420);
  
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);
  Serial.println("Weight : ");
  Serial.println(weight/420);
  


  //if(t > 30){
   // Blynk.email("[email protected]", "Alert", "Temperature over 28C!");
    //Blynk.logEvent("temp_alert","Temp above 30 degrees");
  //}
}