#define BLYNK_TEMPLATE_ID "TMPL6Yx4bB2_L"
#define BLYNK_TEMPLATE_NAME "Amount of Container"
#define BLYNK_AUTH_TOKEN "5X4npvIQbkGvPcyF2rRfl_sl8uAGFp83"
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <HX711.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>

// Define the pins for the HX711 module
const byte DOUT = 23;
const byte CLOCK_PIN = 22; // Renamed SCK to CLOCK_PIN

// Replace with your Blynk authentication token
char auth[] = BLYNK_AUTH_TOKEN;

// Replace with your actual Wi-Fi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

// Initialize the HX711 library instance
HX711 scale;

float calibration_factor = 420.0;

// Initialize the LCD I2C module
LiquidCrystal_I2C lcd(0x27, 16, 2);  // Set the LCD address to 0x3F for a 16 chars and 2 line display

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  scale.begin(DOUT, CLOCK_PIN); // Updated to use CLOCK_PIN
  scale.set_scale(calibration_factor);
  scale.tare();

  // Initialize the LCD
  lcd.init();
  lcd.backlight();
  lcd.print("Weight: ");
}

void loop() {
  Blynk.run();

  float weight = scale.get_units(10);
  Serial.print("Weight: ");
  Serial.print(weight);
  Serial.println(" kg");

  Blynk.virtualWrite(V1, weight); // sending weight data to Virtual Pin V1 in Blynk app

  // Display the weight on the LCD
  lcd.setCursor(0, 1);
  lcd.print(weight);
  lcd.print(" kg");
  
  delay(1000); // Adjust the delay as needed
}