Rancang Bangun Alat Pendeteksi Jarak Aman Pada Kendaraan Berbasis Arduino Dengan Sensor HC-SR04

LAMPIRAN
(LISTING PROGRAM)

Universitas Sumatera Utara

Lampiran Listing Program Alat Pendeteksi Jarak Aman Pada Kendaran
#include

#define TRIGGER_PIN A5 // Arduino pin tied to trigger pin on the ultrasonic
sensor.
#define ECHO_PIN

A4 // Arduino pin tied to echo pin on the ultrasonic

sensor.
#define MAX_DISTANCE 200 // Maximum distance we want to ping for (in
centimeters). Maximum sensor distance is rated at 400-500cm.

NewPing sonar(TRIGGER_PIN, ECHO_PIN, MAX_DISTANCE);
#include

LiquidCrystal lcd(12, 11, 10, 9, 8, 7, 6);

void setup() {
// put your setup code here, to run once:
lcd.begin(16, 2);
pinMode(13,OUTPUT);//buzzer
pinMode(5,OUTPUT);// led
Serial.begin(9600);
delay(500);
lcd.clear();
lcd.setCursor(0,0);
lcd.print("WILLIAM F S ");
lcd.setCursor(0,1);
lcd.print("141121011");
delay(1500);
lcd.clear();
}

Universitas Sumatera Utara

void loop() {
// put your main code here, to run repeatedly:
int uS = sonar.ping(); // Send ping, get ping time in microseconds (uS).
int jarak=(uS / US_ROUNDTRIP_CM);
//Serial.print(uS / US_ROUNDTRIP_CM); // Convert ping time to distance in
cm and print result (0 = outside set distance range)
// int tinggi=(32-jarak);

//if (tinggi==1) tinggi=0;
lcd.print (jarak);
lcd.print (" cm ");
delay(300);
lcd.clear();
if (jarak