#include <LiquidCrystal.h>

int motion=8;
int T=2;
int E=3;
LiquidCrystal lcd(12, 11 ,7 , 6, 5 ,4);

void setup()
 {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(T,OUTPUT);
pinMode(E,INPUT);
pinMode(motion, INPUT);

lcd.begin(16,2);

}

void loop() 
{
 
 // put your main code here, to run repeatedly:
 delay(1000);
digitalWrite(T, LOW);
delay(10);
digitalWrite(T, HIGH);
delay(10);
digitalWrite(T, LOW);


int duration= pulseIn(E,HIGH);
int distance= (duration*0.034)/2;

int m=digitalRead(motion);
if (m==HIGH)
{
  for (int positionCounter = 0; positionCounter < 56; positionCounter++)
   {
    // scroll one position left:
    lcd.scrollDisplayLeft();
    delay(150);
    lcd.setCursor(0,0);
    lcd.print("Motion Detected At Distance: ");
    lcd.print(distance);
    lcd.print("cm");
   }

 Serial.print("Motion Detected At Distance:");
 Serial.print(distance);
 Serial.print("cm");

}
else
{
   Serial.print("motion not detected!");
}
Serial.println(" ");
}