#include <LiquidCrystal.h>
#include "HX711.h"

// Define the pins for the LCD
const int rs = 14, en = 12, d4 = 13, d5 = 15, d6 = 16, d7 = 17;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

// Define the pins for the HX711
const int LOADCELL_DOUT_PIN = 21;
const int LOADCELL_SCK_PIN = 22;
HX711 scale;

void setup() {
  // Initialize the LCD
  lcd.begin(16, 2);
  
  // Initialize the HX711
  scale.begin(LOADCELL_DOUT_PIN, LOADCELL_SCK_PIN);
  
  // Set up any other initializations here
}

void loop() {
  // Read the weight from the load sensor
  float weight = scale.read();

  // Declare a variable to store the state
  int state = 0;

  // Check weight conditions
  if (weight > 39000) {
    state = 1; // Overloaded
  } else if (weight < 1000) {
    state = 2; // Underloaded
  } else {
    state = 3; // Correctly loaded
  }

  // Switch case based on the state
  switch (state) {
    case 1:
      lcd.setCursor(0, 1);
      lcd.print("Overloaded");
      // Add your action here, such as turning off a motor or sounding an alarm
      break;
    case 2:
      lcd.setCursor(0, 1);
      lcd.print("Underloaded");
      // Add your action here, such as displaying a warning message
      break;
    case 3:
      lcd.setCursor(0, 1);
      lcd.print("Correctly loaded");
      // Add your action here, such as continuing normal operations
      break;
    default:
      // Handle unexpected state
      lcd.setCursor(0, 1);
      lcd.print("Unknown state");
      break;
  }

  // Display the weight on the LCD
  lcd.setCursor(0, 0);
  lcd.print("Weight: ");
  lcd.print(weight);

  // Add any necessary delay here
}