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INDONESIA
Jurnal RESISTOR (Rekayasa Sistem Komputer)
Published by STMIK STIKOM Indonesia
ISSN : 25987542     EISSN : 25989650     DOI : -
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Energy Engineering
Jurnal RESISTOR merupakan jurnal yang diterbitkan oleh Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM) STMIK STIKOM Indonesia, dengan P-ISSN 2598-7542 dan E-ISSN 2598-9650. Jurnal RESISTOR diterbitkan pertama kali pada bulan Oktober 2017 dan memiliki periode penerbitan sebanyak dua kali dalam setahun, yaitu pada bulan April dan Oktober.
Arjuna Subject : -
Articles 106 Documents
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KONTROL PEMAKAIAN PERALATAN ELEKTRONIK BERBASIS MIKROKONTROLER DAN ALGORITMA FUZZY MAMDANI Chyquitha Danuputri; Lukman Hakim; Willy Stevanus Susilo; Fernando Dedi Samuel
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 3 No. 2 (2020): Jurnal RESISTOR Edisi Oktober 2020
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v3i2.646

Abstract

Excessive use of electricity had some negative impacts. In this research, the Arduino ESP32 integrated with the WiFi module, the PZEM-004T V3.0 electric current sensor to detect the electric current used, DHT22 temperature sensor to measure the temperature and humidity of the room air, BH1750 light sensor to measure the intensity of light entering the room and SPDT Relay connected between the microcontroller and the lamp. Mamdani Fuzzy Logic Algorithm which was a cryptic system as part of the intelligent system methodology applied to control automation in fans with fuzzy input variables was temperature and humidity as well as the automation of lamp usage applied fuzzy logic mamdani with fuzzy input variables were the intensity of incoming light and the time zone. Defuzzy's calculation results based on rules and have been tested on fan and lamp automation obtained 100% accuracy. Aside from being automatic, this system were also applied manual control through the Blynk application only to the function (ON / OFF) and monitored real time electricity usage in the IDR value remotely with the Internet of Things method based on Microcontroller and IOS or Android. This research could help homeowners in saving electricity.
PENGIRIMAN DATA NRF24L01+ DENGAN KONDISI LINE OF SIGHT DAN NON LINE OF SIGHT I Gusti Made Ngurah Desnanjaya; Mohammad Dwi Alfian
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 3 No. 2 (2020): Jurnal RESISTOR Edisi Oktober 2020
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v3i2.663

Abstract

Wireless Sensor Network is a wireless network technology that includes sensor nodes and embedded systems. WSN has several advantages: it is cheaper for large-scale applications, can withstand extreme environments, and data transmission is relatively more stable. One of the WSN devices is nRF24L01+. Within the specifications given, the maximum communication distance is 1.1 km. However, the most effective distance for transmitting data in line of sight and non-line of sight is still unknown. Therefore, testing and analysis are needed so that the nRF24L01+ device can be used optimally for communication and data transmission. Through testing analysis on nRF24L01+ line of sight, Kuta beach location in Bali and non-line of sight on the STMIK STIKOM Indonesia campus. The effective communication distance of the nRF24L01+ module in line of sight is between 1 and 1000 meters. The distance of 1000 meters is the limit of the effective distance for sending data, and the packet loss rate is less than 15% which is included in the medium category. Meanwhile, in the non-line of sight, the effective distance of the nRF24L01+ communication module is 20 meters, and the packet loss is close to 15%, which is a moderate level limit. With the analysis module, nRF24L01+ can be a reference in determining the effective distance on WSN nRF24L01+ in determining remote control equipment data communication.
Z-WASTE: APLIKASI RAMAH LINGKUNGAN BERBASIS MOBILE I Gede Wiryawan; Maulida Dwi Agustiningsih; Muhammad Yusuf; Vyan Ary Pratama; Linda Dwi Wahyuningsih
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.664

Abstract

Plastic waste has reached pandemic levels worldwide. It adversely affects wildlife, wildlife habitat, and humans. Meanwhile, adopting information technology may reduce plastic waste problem. In this study, a Zerowaster application was developed that can provide green spot information. The idea of the developed application is unique from existing applications. Zerowaster application does not make plastic waste as an object that is informed, but rather shows information on clean places or where there is no trash. Prototype method is used in this study. And Blackblox is chosen as a method to test the application. Application development is started by desgining interface, then developinng a webpage admin, implementing Application Programming Interface (API) and Geographic Information System (GIS). The result shows that Zerowaster application running well on mobile application as well as showing green spot for the users.
RANCANG BANGUN ALAT PENGUKURAN FISIK MANUSIA UNTUK DATA MEDIS BERBASIS INTERNET Of THINGS Muhamad Nur Arifin; Kunto Eko Susilo; Aryo Nugroho
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.706

Abstract

Technological developments that have begun the 4.0 industrial revolution have made many sectors in everyday life begin to innovate in order to be able to compete and be more efficient. It also penetrated the medical world, which was previously still done manually and requires considerable human resources. However, along with the many innovations that exist in the process that can be automated, ranging from the process of patient registration to examination of a person himself. In this study, the authors designed a tool that can retrieve data from humans for medical needs based on the Internet of Things. Data will be taken from these measurements between the body height of the patient, the body temperature of a patient and the body of a patient at the same time automatically. After data retrieval is carried out by several sensors, then the data will be sent to the broker / server which will be sent to the Node-red dashboard using the MQTT protocol and the data will be transferred to the database. A patient's disease date will be present. ESP32, Ultrasonic Sensor, MLX90614, LoadCell and MYSQL database.
ANALISIS KINERJA SERVER ELEARNING UNTUK PEMBELAJARAN SYNCHRONOUS BERBASIS BIG BLUE BUTTON DALAM MENDUKUNG PEMBELAJARAN DI MASA COVID-19 I Nyoman Buda Hartawan; I Putu Agus Yogi Subawa
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.715

Abstract

COVID-19 has an impact on education which requires students to study from home. Teachers carry out teaching remotely via an internet connection so that learning activities that should be carried out at school can still run. The learning process is necessary to conduct live sessions via teleconference. The Big Blue Button is an alternative application to support the online learning process, especially in conducting live sessions. This study aims to analyze the Big Blue Button as a teleconference application to support learning activities online. Implementation is done by integrating the Big Blue Button with Moodle as a Learning Management System (LMS) Moodle. The test was done by conducting a teleconference simulation involving 42 students. The test results show the Big Blue Button can be used to support online learning activities and can be accessed well by 42 students simultaneously using either a PC or a mobile device.
PENEMPATAN DAN PEMILIHAN KAPASITAS TRANSFORMATOR DISTRIBUSI SECARA OPTIMAL PADA PENYULANG PERUMNAS I Made Aditya Nugraha; I Gusti Made Ngurah Desnanjaya
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.722

Abstract

Some distribution transformers in densely populated areas have a loading percentage of more than 100% and also less than 10%. This problem shows that the use of a distribution transformer is inappropriate. With descriptive, correlational and comparative research methods, it is hoped that it can optimize the placement and capacity selection of distribution transformers. Data were taken from 25 people living in the Pemecutan Kelod and Tegal Harum areas using questionnaires and interviews. The data were tested using the T and Pearson tests to determine the effect of placing the distribution transformer. The results of equalization of the load with the addition of a new distribution transformer and relocation of the distribution transformer capacity to the feeder are expected to get optimal results. The technical solution is obtained with a voltage of less than 10% and a distribution transformer capacity that is in accordance with the growth of the population electrical load. Socially and culturally, for the level of conformity there is an increase in the harmony of the population after the placement of a new distribution substation (t = -7.71 and p <0.05), for the comfort level there is an increase in the comfort of the population after the placement of a new distribution substation (t = -9.57 and p <0.05), and for the level of security there was an increase in the tranquility of the population after the placement of a new distribution substation (t = -8.42 and p <0.05). The relationship between suitability and comfort obtained a very strong relationship (r = 0.90), the relationship between suitability and safety obtained a very strong relationship (r = 0.85), and the relationship between comfort and safety obtained a very strong relationship (r = 0.86).
PROTOTYPE SISTEM PENGENDALIAN PERANGKAT ELEKTRONIK BERBASIS IOT (INTERNET OF THINGS) MENGGUNAKAN VOICE CONTROL DAN BLYNK Nur Afiyat; Mohamad Hariyadi; Muhammad Dimas Al Hakim
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.750

Abstract

With the IoT based prototype electronic device control system, users can control electronic devices at home. Commands can be done in two ways, namely using voice or voice control with the Google Assistant application and using the interface buttons on the Blynk application. The prototype system can control electronic devices on and off and can control fan speed. The main component uses NodeMCU as a microcontroller that is equipped with a WiFi module so that it can be connected to the WiFi network needed to be connected to the internet. This system works when the user gives voice commands to control electronic devices via Google Assistant or the user can also control electronic devices by pressing a button on the Blynk application. Based on the results of testing the success of controlling using the voice control system has an average success of 100%, and testing the success of controlling using the Blynk system has an average of 100%. While the measurement of delay when controlling using voice control, each command has an average delay of 15.8797 - 17.9731 milliseconds, and while for testing using the interface button on the Blynk application, each command has an average delay of 15.8926-17. 5463 milliseconds.
IMPLEMENTASI ZONING DAN FITUR ARAH SEBAGAI EKSTRAKSI FITUR PADA PENGENALAN TULISAN TANGAN AKSARA BALI I Komang Arya Ganda Wiguna; I Made Dwi Putra Asana
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.751

Abstract

Character recognition is one of the most researched fields in computer science. Combining the field of digital image processing and pattern recognition is a challenge in determining the most optimal method combination to complete character recognition. Balinese script is one of the regional scripts used in Balinese literary. The challenge with Balinese script is that some of its characters have a degree of similarity. So far, several methods of feature extraction that have been studied for Balinese script are modified direction feature, template matching, image centroid zone and zone centroid zone, local binary pattern. In this research, we combine methods based on zoning and directional features. The methods used are ICZ, ZCZ and freeman chain code to find the characteristics of Balinese script handwriting. The addition of chain code method aims to determine the value around the foreground point. The results of feature extraction will be used as input in the Support Vector Machine for the classification process. The test result shows that the combination of the ICZ, ZCZ and freeman chain code methods produces an accuracy of 89.09%, while the combination of ICZ and ZCZ produces 88.06% of accuracy. The SVM kernels compared use linear kernels.
SAKLAR OTOMATIS BERBASIS MIKROKONTROLER UNTUK MENGURANGI PENGGUNAAN ENERGI LISTRIK I Made Agus Mahardiananta; I Made Aditya Nugraha; Putu Aries Ridhana Arimbawa; Dewa Ngakan Gde Tisna Prayoga
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.759

Abstract

The use of electrical energy that is often encountered in households is leaving the house with the lights on, leaving electronic goods stuck in the socket, charging cell phones overnight and turning on the air conditioner when no one is around. This unwise behavior will result in a high increase in the use of electrical energy. To reduce this unwise behavior, a device will be made that functions as a switch to cut off electrical energy automatically when we leave the room. This tool uses an Arduino Uno microcontroller with a Passive Infrared Receiver sensor to flow electrical energy when we enter the room and cut off electrical energy when leaving the room. It can be concluded that the use of an automatic switch can reduce electrical energy consumption. Automatic switches with a delay of 20 seconds compared to conventional switches have a significant ratio of electrical energy consumption as indicated by the test results of a multiple ratio of 0.00 with a test level of less than 0.05. Using an automatic switch with a 20 second delay results in savings in electrical energy consumption of 48.76% of the electrical energy consumption using conventional switches.
PEMODELAN SISTEM DETEKSI WAJAH SEBAGAI PENGHITUNG JUMLAH PENUMPANG TRANSPORTASI PUBLIK Fransiska Sisilia Mukti; Lia Farokhah; Nur Lailatul Aqromi
Jurnal RESISTOR (Rekayasa Sistem Komputer) Vol. 4 No. 1 (2021): Jurnal RESISTOR Edisi April 2021
Publisher : LPPM STMIK STIKOM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31598/jurnalresistor.v4i1.834

Abstract

Bus is one of public transportation and as the most preferable by Indonesian to support their mobility. The high number of bus traffics then demands the bus management to provide the maximum service for their passenger, in order to gain public trust. Unfortunately, in the reality passenger list’s fraud is often faced by the bus management, there is a mismatch list between the amount of deposits made by bus driver and the number of passengers carried by the bus, and as the result it caused big loss for the Bus management. Automatic Passenger Counting (APC) then as an artificial intelligence program that is considered to cope with the bus management problems. This research carried out an APC technology based on passenger face detection using the Viola-Jones method, which is integrated with an embedded system based on the Internet of Things in the processing and data transmission. To detect passenger images, a webcam is provided that is connected to the Raspberry pi which is then sent to the server via the Internet to be displayed on the website provided. The system database will be updated within a certain period of time, or according to the stop of the bus (the system can be adjusted according to management needs). The system will calculate the number of passengers automatically; the bus management can export passenger data whenever as they want. There are 3 main points in the architecture of modeling system, they are information system design, device architecture design, and face detection mechanism design to calculate the number of passengers. A system design test is carried out to assess the suitability of the system being built with company needs. Then, based on the questionnaire distributed to the respondent, averagely 85.12 % claim that the Face detection system is suitability. The score attained from 4 main aspects including interactivity, aesthetics, layout and personalization

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