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

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

// Define the IPR sensor pins
const int iprSensor1 = 2;
const int iprSensor2 = 4;

void setup() {
  // Initialize the IPR sensor pins as input
  pinMode(iprSensor1, INPUT);
  pinMode(iprSensor2, INPUT);

  // Initialize I2C communication for ESP32 with your specific pins
  Wire.begin(26, 32); // SDA=26, SCL=32

  // Initialize the LCD
  lcd.init();
  // Turn on the LCD backlight
  lcd.backlight();
}

void loop() {
  // Read the state of the IPR sensors
  int sensor1State = digitalRead(iprSensor1);
  int sensor2State = digitalRead(iprSensor2);

  // Update the LCD only when an object is detected by either sensor
  if (sensor1State == HIGH || sensor2State == HIGH) {
    lcd.clear(); // Clear the display to show the new message
    lcd.setCursor(0, 0); // Move cursor to the first line
    lcd.print("Object Detected");

    // Show which sensor(s) detected the object
    lcd.setCursor(0, 1); // Move cursor to the second line
    if (sensor1State == HIGH) {
      lcd.print("S1: Yes ");
    } else {
      lcd.print("S1: No ");
    }

    if (sensor2State == HIGH) {
      lcd.print("S2: Yes");
    } else {
      lcd.print("S2: No");
    }
  } else {
    // Optional: Clear the display or show a different message when no object is detected
    // lcd.clear();
  }

  delay(500); // Delay to reduce LCD flickering and rapid updates
}