#include <Wire.h>
#include <LiquidCrystal_I2C.h>

// Define pin constants
const int BUTTON_PIN = 2;  // Button connected to digital pin 2
const int GREEN_LED_PIN = 3;  // Green LED connected to digital pin 3
const int RED_LED_PIN = 4;  // Red LED connected to digital pin 4

// Define LCD I2C address
const int LCD_ADDRESS = 0x27;  // Change if necessary

// Create an LCD object
LiquidCrystal_I2C lcd(LCD_ADDRESS, 20, 4);

void setup() {
  // Initialize the LCD
    lcd.begin(20, 4);
      lcd.backlight();

        // Set the initial LCD message
          lcd.setCursor(0, 0);
            lcd.print("Missing Tools:");

              // Set pin modes
                pinMode(BUTTON_PIN, INPUT);  // Button with internal pull-up resistor
                  pinMode(GREEN_LED_PIN, OUTPUT);
                    pinMode(RED_LED_PIN, OUTPUT);

                      // Turn on the red LED initially
                        digitalWrite(RED_LED_PIN, HIGH);
                        }

                        void loop() {
                          // Read the button state
                            int buttonState = digitalRead(BUTTON_PIN);

                              // Check the button state
                                if (buttonState == LOW) {  // Button pressed
                                    // Turn on the green LED
                                        digitalWrite(GREEN_LED_PIN, HIGH);
                                            // Turn off the red LED
                                                digitalWrite(RED_LED_PIN, LOW);
                                                    // Update the LCD
                                                        lcd.setCursor(0, 1);
                                                            lcd.print("Tools Found!");
                                                              } else {  // Button not pressed
                                                                  // Turn on the red LED
                                                                      digitalWrite(RED_LED_PIN, HIGH);
                                                                          // Turn off the green LED
                                                                              digitalWrite(GREEN_LED_PIN, LOW);
                                                                                  // Update the LCD
                                                                                      lcd.setCursor(0, 1);
                                                                                          lcd.print("Missing Tools:");
                                                                                            }

                                                                                              // Delay for a short time
                                                                                                delay(50);
                                                                                                }