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All Journal Jurnal SPEKTRUM Majalah Ilmiah Teknologi Elektro Jurnal EECCIS International Journal of Engineering and Emerging Technology Majalah Ilmiah Teknologi Elektro
Pratolo Rahardjo
Department Of Electrical Engineering, Faculty Of Engineering, Udayana University
Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Modifikasi Handy Talky (HT) Sebagai Telealarm Pengaman Benda – Benda Suci Pratima Di Pura Dari Tindakan Pencurian I Made Anand Gopal; Pratolo Rahardjo; Lie Jasa
Jurnal Teknologi Elektro Vol 16 No 1 (2017): (January - April) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.1601.02

Abstract

The Criminal acts of stealing sacred objects Pratima in Bali becoming more frequent, so that the required modern electronic security system that is expected to facilitate the public in improving security the sacred objects which are in the temple area from the thieves. Then needed a safety telealarm of Pratima. The safety telealarm consist of four sensors, namely: a touch sensor, light sensor, dark sensor and IR LED sensor. And also used Handy talky (HT) redell DL-5108 which has been modified as transmitter, which directly connected to the Handy Talky (HT) of the village security officer, so that the safety of sacred objects Pratima can be kept more stringent. Keyword: Telealarm, Pratima, Handy Talky, sensor DOI: 10.24843/MITE.1601.02
Rancang Bangun Alat Otomatisasi Mantram Puja Trisandya Menggunakan Mikrokontroler ATMEGA328 I Nengah Raka Utama; I Gusti Agung Putu Raka Agung; pratolo rahardjo
Jurnal Teknologi Elektro Vol 17 No 1 (2018): (Januari - April) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (541.085 KB) | DOI: 10.24843/MITE.2018.v17i01.P11

Abstract

Pengucapan Mantram Puja Trisandya dilaksanakan tiga kali sehari secara rutin oleh umat Hindu di Bali. Biasanya pengucapan memakai peralatan Elektronika dilengkapi dengan pengeras suara dan dioperasikan oleh operator secara manual. Dengan Kemajuan teknologi, aktivitas ini bisa digantikan menggunakan timer RTC yang dikendalikan dengan mikrokontroler. Perancangan rangkaiannya meliputi : Perancangan rangkaian mikrokontroler, Display, Mini MP3 Player, Keypad, Audio , dan Power Supply. Perancangan ini akan direalisasikan sehingga bisa dilakukan pengujian secara nyata. Alat ini berkerja secara otomatis dengan membandingkan jam sekarang dengan waktu pemutaran puja trisandya, apabila terjadi kecocokan data, maka mikrokontroler akan mengirimkan perintah kepada Mini MP3 Player untuk memutar file rekaman Mantram Puja Trisandya yang telah tersimpan pada mikro SD. Dari hasil penelitian didapat LCD (M1602A) mampu menampilkan huruf sesuai dengan kata-kata Mantram Puja Trisandya yang merupakan keluaran dari Mini Mp3Player dengan tepat waktu. dimana seluruh rangkaian dikendalikan dengan mikrokontroler ATmega328.
LANCAR Rancang Bangun Alat Sebagai Layanan Notifikasi Air conditioner Yang Rusak Pada Bagian Kompresor I Gede Agus Darmawan; Lie Jasa; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 19 No 2 (2020): (Juli - Desember) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i02.P13

Abstract

Indonesia is a tropical country that has two seasons, namely the rainy season and the dry season. During the dry season, the weather gets hot so AC technology (Air Conditioner) technology is really needed by the people of Indonesia. Every day, air conditioners are often used to cool the air, so the use of air conditioners is very routine in the dry season. Ac needs to be maintained regularly so that the AC is not easily damaged. Ac is divided into two parts, namely indoor and outdoor. Indoor and outdoor are connected through copper pipes which are freon gas lines. Freon gas will be pumped through the outdoor using a compressor engine to suppress the flow of freon gas so it flows into the evaporator section of the indoor and the compressor will suck the freon gas again to the condenser section on the outdoor because the compressor is the most important part in the air conditioner, the compressor must be routinely maintained by knowing the amperage performance on the compressor. So the purpose of this research is to monitor the performance of the compressor. This monitoring is done by installing a LANCAR (broken air conditioner notification service). LANCAR has three parts, namely electronics as a tool to detect compressor performance amperes, applications as notification media as well as for monitoring compressor amperes and database as compressor amperage data storage. Electronics used such as NodeMCU esp 8266, current sensor, vibration sensor and 1 channel relay module. These parts will be connected to the IoT (internet of things) system where the device is able to provide notifications when the compressor is damaged and the amperage data on the compressor will be stored in a database so that it can later be seen by the AC owner.
Design Of LPG Leak Detection Using Sensor TGS2610 Equipped SMS -Based Microcontroller ATmega328 Pande Made Nova Paramarta; IGAP Raka Agung; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 15 No 1 (2016): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1863.642 KB) | DOI: 10.24843/MITE.2016.v15i01p08

Abstract

The disaster that occurred in communities one of which was a house fire caused by leakage of LPG which preceded the occupants leave the house. In anticipation of these events, LPG leak detection system remotely using SMS on a mobile phone handy so that residents know the situation / condition of LPG when leaving the house. when sensors  TGS 2610 detect that the LPG in case of leak, then the residents will receive SMS 'Gas Bocor'. When in a safe condition, residents no longer receive SMS. When sending SMS residents 'cek' to the GSM module, the GSM module sending SMS 'aman' to residents. DOI: 10.24843/MITE.1501.08
Sistem Monitoring Tingkat Kekeruhan Air dan Pemberi Pakan Otomatis pada Kolam Budidaya Ikan Koi Berbasis NodeMCU I Gede Hery Putrawan; Pratolo Rahardjo; I G A Putu Raka Agung
Jurnal Teknologi Elektro Vol 19 No 1 (2020): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i01.P01

Abstract

Nowadays, many Indonesian people working as a fish cultivator. This is because the turnover obtained from the sale of fish, one of which is koi fish is quiet high. To cutivate fish especially koi fish, ultivators will make many pools to cultivate these fish. From the first is spawning pool, tiller fish pool and brood pool. To get good quality cultivation, the pools must always be clean (has a turbidity level of water < 400 NTU). Therefore, a system was created to be able to monitor the water turbidity level and automatic feed in koi fish pool which the purpose is helping koi fish cultivator improve their cultivation quality. The monitoring system of the cultivation pool turbidity level works by reading the turbidity value of the pool using a turbidity sensor (Turbidity Sensor). The reading of the sensor value will be processed by the NodeMCU microcontroller and then activate the drainage pump relay module for which will drain turbid water. On the other hand there is a proximity sensor that will measure the height of the pool water. When the pool water is drained, the proximity sensor will send a signal to the NodeMCU microcontroller to activate the distribution pump relay module, so that it can distribute clean water from the water tank to the pool. Therefore, the cultivation pool’s water always be clean. Meanwhile, automatic feeders work using the RTC (Real Time Clock) module in which the feeding time will be set in this module. Then, the time output from the RTC module will be processed by the NodeMCU microcontroller which then sends a signal to the servo as the drive for the fish feed lever. When it is time for feeding, according to the program provided the fish feed lever will open. Therefore, feeding can be done automatically. Keywords — IoT, monitoring, turbidity, feeder, koi fish, cultivation pools.
Perancangan Alat Monitoring Switch Pada PDG ( Pressure Different Gauge ) Berbasis SMS Dengan Microcontroller Arduino Kadek Bintang Anjasmara; Yoga Divayana; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 19 No 1 (2020): (Januari - Juni ) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITE.2020.v19i01.P06

Abstract

Abstract— In maintaining the quality of aviation fuel, before being marketed, the aviation fuel must pass through the filtering stage using a filter. The use of filters must be monitored for efficiency by using a PDG (pressure different gauge) instrument. PDG is a measuring device that is equipped with a switch and will be a disconnect when the PDG needle shows a number above 15 psi. However, filter monitoring is only done by looking at the PDG installed on each filter and the switches on the PDG have not been used at all. From this problem, the author conducted research out by designing and building a tool that can monitor switches on the PDG and provide SMS notifications. In its design, the device uses Arduino Uno as a microcontroller with a 12VDC power supply. This device is equipped with GSM SIM900A which functions to send SMS. Based on research, the highest current consumption is 0.18 A and the smallest is 0.11 A. The average time for sending an SMS is 7 seconds. Based on testing the tool can work as expected. With the design and construction of this device, it is expected to help PT. Pertamina DPPU Ngurah Rai to monitoring the performance of filters in realtime so that the replacement of filter elements can be done in a timely manner and maintain the marketed aviation has good quality.
RANCANG BANGUN SISTEM PEMBACAAN JUMLAH KONSUMSI AIR PELANGGAN PDAM BERBASIS MIKROKONTROLER ATMEGA328 DILENGKAPI SMS I Made Nova Suardiana; IGAP Raka Agung; Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 16 No 1 (2017): (January - April) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4018.39 KB)

Abstract

PDAM is still using analog flow meter. For PDAM customers, the information on analog flow meter are difficult to access and converted into payment amount. The system with analog read, PDAM officer was recorded by manual methods of data customer on the amount of water consumption. In this research using a water flow sensor YF-S201. Microcontroller ATmega328 receives the output pulses from the sensor. LCD is display information usage amount, time and date in real time. The module IComSat v1.1-SIM900 GSM / GPRS Shield SMS sending SMS based commands received from the customer and PDAM officer. The results achieved in this research is a sensor YF-S201 is able to read the amount of water consumed PDAMcustomers with an average deviation of 0.39%. The tests showed the result of conversion of payment are in accordance with the PDAM payment model in Gianyar district.
SISTEM PENGENDALI TEMPERATUR UNTUK PROSES PASTEURISASI ALAT-ALAT MEDIS Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 9, No 1 (2010): (January - June) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (240.647 KB)

Abstract

Penelitian ini bertujuan untuk merancang dan membuat sebuah prototipe alat pengendali temperatur untukproses pasteurisasi alat-alat medis. Alat-alat medis yang ada di laboratorium medis, poliklinik, ataupun rumah sakit,pada umumnya terbuat dari kaca atau logam. Sebelum dan setelah digunakan untuk bekerja, alat-alat medis ini harusdisucihamakan atau disterilkan dari berbagai macam bakteri atau mikroorganisme. Proses pensterilan yangditerapkan adalah proses pasteurisasi. Pada proses pasteurisasi ini, metode yang digunakan adalah pemanasan alatalatmedis dengan temperatur tinggi dan waktu lama (High Temperature Long Time, HTLT), serta alat-alat medisdipanaskan dengan temperatur rendah dan waktu lama (Low Temperature Long Time, LTLT).Pasteurisasi dengan suhu HTLT dilakukan dengan cara pemanasan alat-alat medis selama 20 menit padatemperatur 85 – 100°C dengan menggunakan pemanas (heater). Sedangkan pasteurisasi dengan LTL dilakukandengan cara proses pemanasan alat-alat medis pada temperatur jauh di bawah 85°C selama 10 menit.Pada penelitian ini dilakukan pembuatan prototipe sistem pengendali temperatur pada proses pasteurisasi alatalatmedis. Metode yang digunakan dalam penelitian ini adalah rancang-bangun alat atau sistem. Bagian-bagiansistem pengendali temperatur pada proses pasteurisasi alat-alat medis ini terdiri atas dua bagian, yaitu rangkaianutama dan rangkaian pelengkap. Rangkaian utama terdiri atas rangkaian sensor temperatur, rangkaian komparator,dan rangkaian saklar transistor dan relay, rangkaian ADC, rangkaian BCD ke SSD. Rangkaian pelengkap terdiri atasrangkaian pewaktu, rangkaian pengendali pemanas. Dengan adanya sistem pengendali ini, akan terwujud suatu alatyang murah, mudah pengoperasian, dan handal untuk proses pasteurisasi alat-alat medis, sehingga para tenaga medisdapat bekerja secara lebih efektif dan efisien. Penelitian ini mengambil lokasi di Laboratorium Elektronika, JTE FTUNUD.Beberapa kelemahan sistem pengendali temperatur pada proses pasteurisasi alat-alat medis ini antara lain :tidak dapat digunakan sebagai sistem pengendali temperatur di bawah 0 °C, tidak dapat digunakan untukmengendalikan beberapa variabel temperatur masukan, dan tidak dapat dikendalikan secara jarak jauh dengan tanpakabel (wireless remote control). Diharapkan pada penelitian berikutnya, beberapa kelemahan tersebut dapat diatasidengan baik.
ALAT PENJADWAL ON-OFF TITIK BEBAN RUMAH TANGGA YANG DIAKSES DENGAN TELEPON DTMF Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 8 No 2 (2009): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.061 KB)

Abstract

Penelitian ini bertujuan untuk merancang dan membuat suatu alat penjadwal on-off titik beban rumah tangga yang terkendali jarak jauh dengan menggunakan saluran telepon. Alat ini berguna bagi rumah tangga yang penghuninya mempunyai mobilitas keluar daerah yang tinggi. Sehingga mengurangi rasa khawatir terhadap rumahnya yang ditinggalkan, baik terhadap pencurian, pemborosan daya listrik, kerusakan alat-alat elektronik ataupun menghindari kelembaban. Penggunaan listrik di rumah tangga dapat dioptimalkan sebaik mungkin. Dalam penelitian ini, metode yang digunakan adalah rancang-bangun, yang diawali dengan studi pustaka dan simulasi perangkat lunak terlebih dahulu. Penelitian ini mengambil lokasi di Laboratorium Elektronika, Jurusan Teknik Elektro FT. UNUD. Alat penjadwal on-off titik beban rumah tangga ini masih mempunyai beberapa kelemahan, antara lain : kapasitas jumlah titik beban yang terbatas (8 buah), tidak adanya backreport lagi untuk kondisi suatu titik beban kepada pengirim atau pengendali, dan alat ini tergantung kepada suatu provider jaringan telekomunikasi. Diharapkan pada penelitian berikutnya, ketiga kelemahan tersebut dapat diselesaikan dengan baik.
APLIKASI MIKROKONTROLER 80C31 SEBAGAI ALAT PENGENDALI MOTOR DC MAGNET PERMANEN DENGAN METODE P I D DAN METODE P W M Pratolo Rahardjo
Jurnal Teknologi Elektro Vol 3 No 2 (2004): (July - December) Majalah Ilmiah Teknologi Elektro
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (80.269 KB)

Abstract

lat pengendali motor DC magnet permanen ini menggunakan dua metode, yaitu metode PID (Proposional, Integral dan Diferensial) dan metode Modulasi Lebar Pulsa (Pulse Width Modulations, PWM), yang digunakan untuk mengendalikan kecepatan putarannya. Komponen pokok alat ini adalah mikrokontroler 80C31,ditambah dengan beberapa komponen pendukungnya. Alat ini diimplementasikan untuk motor DC magnet pemanen 24 Volt. Besarnya target rpm, konstanta-konstanta pengendalian, dan jenis metode aksi sistem pengendaliannya(sistem pengendalian ikal atau kalang terbuka ataukah sistem pengendalian ikal atau kalang tertutup), dimasukkan melalui papan tombol (keypads) dan ditampilkan pada tampilan tujuh ruas (seven segment display). Setiap periodetertentu mendeteksi rpm motor DC yang akan dikendalikan, melalui rangkaian sensor putaran, rangkaian pembangkit, dan rangkaian penguat sinyal PWM. Selanjutnya oleh mikrokontroler dilakukan perhitungan sesuai dengan program yang dimasukkan, sehingga diperoleh performen sesuai yang dinginkan.
Co-Authors Adrian Pramuditya, I Made Agustadewa, Yosia Alie Sulthan, Mayben Sayyidina Alif Rizqian Aki Arya Sukma Krisnayoga D M Baskara Puruhita Wija Efina Marianis Elba Duta Nugraha, I Putu Gea, Susi Susanti Gede Prananda Putra Gede Widi Kurniawan Hernandi, William Hindro Kusumo Wahid I Gede Agus Darmawan I Gede Feryanda Frasiska I Gede Hery Putrawan I Gede Yogi Astawan I Gst Agung Putu Raka Agung I Made Adi Wijaya I Made Anand Gopal I Made Nova Suardiana I Nengah Raka Utama I Nyoman Budiastra I Putu Agus Padma Diana I Putu Elba Duta Nugraha I Putu Elba Duta Nugraha, I Putu Elba I Putu Nugraha I Putu Pawesi Siantika I Wayan Yoga Widiana Ida Bagus A. Swamardika Indra Christian, Febry Kadek Bintang Anjasmara Komang Agus Werdi Darmayasa Komang Edy Surya Prabowo Komang Oka Saputra Langit, Sekar Lie Jasa Lindu Pamungkas Liwa Purnadita, Putu Tesa Made Bayu Pranata Mudjirahardjo, Panca Muhammad Abdul Hadi Nugraha, I Putu Elba Duta Obed Bettuang Oka Saputra, Komang Pande Made Agus Yudi Adnyana Pande Made Nova Paramarta Putu Althea Putri Wiradani Putu Arya Mertasana Raka Agung, I G A Putu Raka Agung, I Gusti Agung Pt Rizki Pradana Putra Sekar Langit Susi Susanti Gea Tander Risard Lowongan Yoga Divayana