// Motion sensor(HC-SR501) test

#include <LiquidCrystal_I2C.h>
#define SENSOR_PIN 4

LiquidCrystal_I2C lcd(0x27,16,2);

String motion;

void setup() {
  lcd.init(); 
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("COSMOLIGHT");
  lcd.setCursor(0, 1);
  lcd.print("Project Arduino");

  pinMode(SENSOR_PIN, INPUT);

  delay(3000);
}

void loop() {
  int motionCheck = digitalRead(SENSOR_PIN);
  if (motionCheck == 0) {
    motion = "WAIT";
  } else {
    motion = "DETECT";
  }
  
  // data ---> LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Motion sens:");
  lcd.setCursor(0, 1);
  lcd.print(motion);  
  delay(1000);
}