#define InputPin 0
int i = 0;
int value = LOW;
#include <LiquidCrystal.h>
LiquidCrystal lcd(11, 10, 6, 5, 4, 3);
void setup()
{
lcd.begin(16, 2);
}
void loop()
{
 value = digitalRead(InputPin);
 if (value == LOW) {
  lcd.setCursor(1,0);
  lcd.println("Motion not Detected!");
  lcd.scrollDisplayLeft();
  delay(300);
 }
 if (value == HIGH){
  lcd.setCursor(1,0);
  lcd.println("Motion Detected!");
  lcd.scrollDisplayLeft();
  delay(300); 
    for(i=700;i<800;i++){
  tone(20,i);
  delay(15);
  }
  for(i=800;i>700;i--){
  tone(20,i);
  delay(15);
  }
 }
}