#include <NewPing.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);
NewPing sonar(13, 12, 400);

void setup() {
  
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  lcd.init(); 
  lcd.backlight();
  
}

void loop() {
  unsigned int dist = sonar.ping_cm();
  delay(50);
  lcd.setCursor(0,0);
  lcd.clear();
  lcd.print(dist);
  

  if(dist > 200){
    digitalWrite(10, HIGH);
    digitalWrite(9, LOW);
  }
  else{
    digitalWrite(9, HIGH);
    digitalWrite(10, LOW);
  }
}