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

LiquidCrystal_I2C lcd(0x27, 16, 2);

#define PIR_SENSOR_PIN 15
#define RED_LED_PIN 16
#define GREEN_LED_PIN 17

void setup() {
  Serial1.begin(115200);
  pinMode(PIR_SENSOR_PIN, INPUT);
  pinMode(RED_LED_PIN, OUTPUT);
  pinMode(GREEN_LED_PIN, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("No Motion");
}

void loop() {
  if (digitalRead(PIR_SENSOR_PIN) == HIGH) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Motion Detected");
    digitalWrite(RED_LED_PIN, LOW);
    digitalWrite(GREEN_LED_PIN, HIGH);
  } else {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("No Motion");
    digitalWrite(RED_LED_PIN, HIGH);
    digitalWrite(GREEN_LED_PIN, LOW);
  }

  delay(1000);
}