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<title><![CDATA[Rancang Bangun Alat Pengukur Jarak Aman Mobil Pada Area Tempat Parkir Umum Menggunakan Sensor Ultrasonic Hc-Sr04 Dan Arduino Uno]]></title>
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<namePart>Renaldo Agustho Mali</namePart>
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<namePart>GUNADI TJAHJONO</namePart>
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<namePart>FRANSISKUS F GOE RAY</namePart>
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<namePart>Gunadi Tjahjono</namePart>
<role><roleTerm type="text">Ketua Penguji</roleTerm></role>
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<name type="Personal Name">
<namePart>Fransiskus F Goe Ray</namePart>
<role><roleTerm type="text">Penguji 1</roleTerm></role>
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<name type="Personal Name">
<namePart>Ichsan Fahmi</namePart>
<role><roleTerm type="text">Penguji 2</roleTerm></role>
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<note>Penelitian ini bertujuan untuk mengetahui: (1) bagaimana tahapan membuat prototype alat pengukur jarak aman mobil menggunakan sensor ultrasonic berbasis mikrokontroler arduino uno; (2) Berapa nilai frekuensi sinyal ultrasonic pada tahapan jarak tertentu; (3) Adakah hubungan jarak terhadap frekuensi sinyal utrasonic; (4) Apakah terdapat pengaruh jarak terhadap frekuensi sinyal ultrasonic; (5) Adakah hubungan jarak hambatan jenis benda terhadap sinyal pantul; (6) Apakah terdapat pengaruh jarak hambatan jenis benda terhadap nilai frekuensi ultrasonic. 
Metode yang digunakan adalah metode Reasearch dan Development (R&D) melalui tahapan-tahapan yaitu: potensi dan masalah, pengumpulan data, desain produk, validasi desain, revisi desain, uji coba produk, revisi produk, dan uji coba pemakaian. 
Hasil penelitian menunjukkan bahwa (1) nilai frekuensi sinyal ultrasonic pada tahapan jarak tertentu (10cm sampai dengan 115cm) adalah berkisar antara 49KHz sampai dengan 50KHz. (2) terdapat hubungan dan pengaruh yang signifikan antara jarak dan frekuensi sinyal ultrasonik ketika jarak antara sensor dan bidang pantul semakin jauh maka akan memberikan pengaruh terhadap sinyal ultrasonic. (3) terdapat hubungan dan pengaruh yang signifikan antara hambatan jenis benda terhadap nilai frekuensi ultrasonic karena Setiap bidang pantul mempunyai densitas atau rapatan yang akan mempengaruhi nilai sinyal pantul atau echo, pada frekuensi ultrasonik akan berubah sesuai dengan masa jenis benda yang dimiliki oleh bidang pantul.
Kata kunci: Pengukur Jarak Aman Mobil, Arduino Uno, Sensor Ultrasonic HC-SR04.
* 	Penulis 
**	Pembimbing Utama 
*** 	Pembimbing Pendamping






ABSTRACT
DESIGN A CAR SAFE DISTANCE GAUGE IN A PUBLIC PARKING AREA USING ULTRASONIC HC-SR04 AND ARDUINO UNO SENSORS

 Renaldo A. Mali*)                Gunadi Tjahjono**)             Frans F. G. Ray***)
This study aims to find out: (1) how to prototype the car's safe distance gauge using arduino uno microcontroller-based ultrasonic sensors; (2) What is the value of ultrasonic signal frequency at a certain distance stage; (3) Is there a distance relationship to the frequency of utrasonic signals; (4) Is there any influence of distance on the frequency of ultrasonic signals; (5) Is there a relationship of the distance of the object type resistance to the bounce signal; (6) Is there any influence of object type resistance distance on ultrasonic frequency value. 
The methods used are Reasearch and Development (R&D) methods through stages such as: potentials and problems, data collection, product design, design validation, design revisions, product trials, product revisions, and usage trials.
The results showed that (1) the frequency value of ultrasonic signals at certain distance stages (10cm to 115cm) is between 49KHz to 50KHz. (2) there is a significant relationship and influence between the distance and frequency of the ultrasonic signal when the distance between the sensor and the bounce plane is getting farther it will affect the ultrasonic signal. (3) there is a significant relationship and influence between the resistance of the type of object to the ultrasonic frequency value because each bounce plane has a density or density that will affect the value of the reflected signal or echo, at the ultrasonic frequency will change according to the period of the type of object owned by the bounce plane.
 Keywords: Car Safe Distance Meter, Arduino Uno, HC-SR04 Ultrasonic Sensor.
* 	Writer 
**	Key Advisor
*** 	Supervisor Companion</note>
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