#include <LiquidCrystal_I2C.h>
#define PIN_TRIG 3
#define PIN_ECHO 2
LiquidCrystal_I2C lcd(0x27,20,4);

void setup()
{
  Serial.begin(115200);
  pinMode( PIN_TRIG, OUTPUT);
  pinMode(PIN_ECHO, INPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Chawarut");
  lcd.setCursor(2,1);


}


void loop()
{

  // strt a new measurement:
  digitalWrite(PIN_TRIG, HIGH);
  delayMicroseconds(10);
digitalWrite(PIN_TRIG, LOW);

// strt a new measurement:
int duration = pulseIn(PIN_ECHO, HIGH);
Serial.print("Distance in CM: ");
Serial.println(duration / 58);
Serial.print("Distance in inches: ");
Serial.println(duration /148);
 lcd.setCursor(2,1);
lcd.print(duration/58);

if(duration/58<200){
digitalWrite(8, HIGH);  
delay(100);
}else{
  digitalWrite(8, LOW);
    delay(100);
}

if(duration/58>200){
digitalWrite(9, HIGH);  
delay(100);
}else{
  digitalWrite(9, LOW);
    delay(100);
}


}