    #include <LiquidCrystal.h> // includes the LiquidCrystal Library
    LiquidCrystal lcd(1, 2, 4, 5, 6, 7); // Creates an LCD object. Parameters: (rs, enable, d4, d5, d6, d7)
    const int trigPin = 9;
    const int echoPin = 10;
    long duration;
    int distanceCm, distanceInch;
    void setup() {
    lcd.begin(16,2); // Initializes the interface to the LCD screen, and specifies the dimensions (width and height) of the display
    pinMode(trigPin, OUTPUT);
    pinMode(echoPin, INPUT);
    }
    void loop() {
    digitalWrite(trigPin, LOW);
    delayMicroseconds(2);
    digitalWrite(trigPin, HIGH);
    delayMicroseconds(10);
    digitalWrite(trigPin, LOW);
    duration = pulseIn(echoPin, HIGH);
    distanceCm= duration*0.034/2;
    distanceInch = duration*0.0133/2;
    lcd.setCursor(0,0); // Sets the location at which subsequent text written to the LCD will be displayed
    lcd.print("Distance: "); // Prints string "Distance" on the LCD
    lcd.print(distanceCm); // Prints the distance value from the sensor
    lcd.print(" cm");
    delay(10);
    lcd.setCursor(0,1);
    lcd.print("Distance: ");
    lcd.print(distanceInch);
    lcd.print(" inch");
    delay(10);
    }