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Jurnal E-Komtek
Published by Politeknik Piksi Ganesha Indonesia
ISSN : 25803719     EISSN : 26223066     DOI : https://doi.org/10.37339/e-komtek.v4i2.269
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering
Jurnal E-Komtek (Elektro-Komputer-Teknik) is a Journal that contains scientific articles in the form of research results, analytical studies, application of theory, and discussion of various problems relating to Electrical, Computer, and Automotive Mechanical Engineering.
Arjuna Subject : Ilmu Komputer (semua kategori) - Visi Komputer dan Pengenalan Pola
Articles 276 Documents
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Development of Android-Based Electronic Fuel Injection (EFI) System Learning Media Supriyanto, Sidiq; Rohmantoro, Didik
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 1 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i1.1974

Abstract

This study aims to: (1) Develop Android-based learning media for the Electronic Fuel Injection (EFI) system, (2) Determine the feasibility of this learning media, and (3) Assess students' responses to the learning media. This research uses the Borg and Gall model development method modified by Sugiyono with ten steps starting from problem identification to mass production. Data were collected using questionnaires and analyzed by descriptive quantitative methods. The results of the study show that this learning media is very feasible and useful based on evaluation scores from material experts, media experts, and student responses.
Prototype Design of Delta Wye Starting System for Laboratory-based 3-Phase Induction Motor Suryani; Marupah
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.1946

Abstract

Electric motors with electromagnetic devices that convert electrical energy into mechanical energy, so it can be that electric motors are included in the category of dynamic electric machines. The research aims to find out the design of the circuit form prototype from wye-delta, how to replace the system control circuit starting wye-delta, and obtain a significant result measuring the flowing current of the 3-phase induction motor when the motor starts the motor running. The method used in another study of literature is to design and test tools and data retrieval. The system test results are compelling, obtained, digging, initial current, electric motor with value, with the acquisition of measurement results when using the wye system on R, S, and T phase each 0,6 ampere, 0,8 ampere, and 0,6 ampere. When using the delta system on the R phase of 7,5 ampere, S phase of 8,5 ampere, and T phase of 8,3 ampere. Prototypes from these tools operate with a controller system, using a tool called a semiautomatic control system, with an electromagnetic working principle where the primary function of the contactor is a magnetic switch.
Arduino-based Automatic Light Design Using a Light-dependent Resistor Sensor at dr. H.A Rotinsulu Hospital Saputra, Rizal; Rizki, Ardelia Astriany
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.1951

Abstract

Lights are one of the fundamental needs in the standard of living; if the light is cleared out, it'll squander power, and this often happens since you disregard to turn it off. in the list to fast improvement within the field of innovation the sum of power demand tends to extend quickly. This increment in demand can be caused by the expanding number of individuals utilizing electrical technology.In this case, a robotization light plan was made utilizing an Arduino-uno-based light sensor that can be set to turn on and off naturally, agreeing to the escalation of daylight so that it'll suit the desires of the lamp.The controller utilized is the Arduino microcontroller. The program connected to the microcontroller serves to initialize and design the equipment and examines the flag input from the light sensor, which at that point forms it is by being given a few conditions to create yield. In this case, a robotization light plan was made utilizing an Arduino-uno-based light-based Sensor that can be turned on and off, consequently concurring with the concentrated daylight received to suit the desires of the light.
Perancangan Toto Rianto; Karyadi; Rini Suwartika
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.1954

Abstract

Petty cash management is an important element in a company's finances, especially for Enno Tour & Travel which has high daily transactions. Inaccurate recording of petty cash can result in cash leakage and affect the company's financial health. This research formulates problems related to challenges in managing petty cash manually and how a web-based accounting information system can overcome these problems. The purpose of this research is to design and implement an accounting information system that can improve the efficiency and accuracy of petty cash recording. The research method used is software engineering with a waterfall approach, which includes requirements analysis, system design, implementation, and testing. Data was collected through interviews and direct observation at Enno Tour & Travel. The results showed that the developed system can record petty cash transactions in real time, produce accurate financial reports, and increase transparency and accountability. Users reported increased efficiency and reduced recording errors. This study concludes that the designed web-based accounting information system improves efficiency and accuracy in petty cash management and positively contributes to the company's overall financial management.
Website Penetration Testing With SQL Injection Technique Using SQLMAP on Termux Gilang Ryan Fernandes; Ika Mei Lina
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2074

Abstract

Websites make it easier for us to find information or do our daily work. Almost all companies have websites, be it company profiles or application websites. With the development of technology, some programmers forget about website security. Websites with security weaknesses can be easily hacked, such as changing appearance to taking essential data. One thing to watch out for is external factors in the form of attacks carried out by hackers using the SQL Injection technique. This technique can find and take all databases stored on the website server. The purpose of this study is so that programmers and companies, in general, can be more careful with this attack so as not to experience losses from both the company and the consumer side. The results obtained in this study show that SQL injection attacks can cause significant losses because they can modify and take over the database on the attacked website. This tool also runs automatically so that laypeople without an understanding of hacking can carry out this attack. Thus, programmers can secure their websites using techniques to secure SQL Injection attacks.
Evaluation of the Curriculum for the Untirta Electrical Engineering Vocational Education Study Program Referring to the Needs of the World of Work and the Industrial World Darmawan, Ilham Akbar; Ihsan Faturrohman
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2102

Abstract

This research aims to review and improve the curriculum of the Electrical Engineering Education Department at Sultan Ageng Tirtayasa University in accordance with developments in science and technology and the needs of stakeholders. Curriculum review and development is carried out by referring to graduate competencies in accordance with the Indonesian National Qualifications Framework (KKNI) in the field of Electrical Engineering and Electrical Engineering Education. This research is an evaluation research on curriculum implementation using the TIPP (Context, Input, Process, Product) model, and curriculum development through content analysis and discussion. The research results show that in general the implementation of the 2019 curriculum for the Vocational Education Department in Electrical Engineering is classified as appropriate (good) according to lecturer/alumni respondents, and quite appropriate (fairly good) according to student respondents. There are quite a lot of deficiencies, both in the content of the curriculum and the implementation of the curriculum, especially in the Input, Process and Product aspects. Based on the study of the evaluation results of the implementation of the curriculum and KKNI as well as the vision & mission and objectives of the Vocational Education Department of Electrical Engineering FKIP Untirta, a competency design can be formulated which should be mastered by undergraduate graduates majoring in Electrical Engineering Education as well as the draft curriculum framework. This design needs to be studied further and validated adequately so that a curriculum device can be produced that has relevance, quality and adequate benefits for students/graduates, society and the world of work.
Evaluasi Autentikasi Dua Faktor (2FA) TOTP Pada Perguruan Tinggi Menggunakan Vulnerability Assessment dan CIA Triad Heru Wijayanto Aripradono; Haeruddin; Kurnia Cantra
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2113

Abstract

Vulnerability exploitation in education websites often leads to data breaches, negatively impacting learning activities, notably higher education, which is highly susceptible to such attacks. This research evaluates the effectiveness of two-factor authentication in mitigating exploitability. To analyze issues further, vulnerability assessment tools, such as Burp Suite and ZAP, can explore website vulnerability and the CIA Triad framework (Confidentiality, Integrity, Availability). The analysis revealed three medium-level vulnerabilities and six low-level vulnerabilities; key topics such as CSRF (Cross-Site Request Forgery) and XSS (Cross-Site Scripting), compromise integrity, and MITM (Man-In-The-Middle) attacks threaten Confidentiality, these vulnerabilities indicate non-compliance with CIA Triad, mitigation strategy such are VPN (Virtual Private Network), and WAF (Web Application Firewall) were proposed. While two-factor authentication improves security, additional fixes and optimizations are required for its effective implementation in the education sector.
Design Web-Based and Mobile Application Doctor Reservation Using Laravel Framework at Clinic Valio Centre Dava Alhaq Nur Addin; Arief Hermawan
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2118

Abstract

Valio Medical Center Clinic, Central Lombok, faces a significant problem with the length of time patients wait to get a doctor's service, often exceeding the 60-minute standard set by the Ministry of Health. This research aims to solve the problem by developing a web-based and mobile Doctor Reservation Application using the Laravel framework. The method used is the creation of a doctor's registration system through web and mobile media with Laravel, which is built with the Model View Controller (MVC) concept. The results showed that the application developed using Laravel can run well and effectively reduce patient waiting time at Valio Medical Center. Design a doctor reservation system that facilitates users to make doctor reservations without having to come directly to the hospital, with an easy-to-use web-based and mobile interface, using the Laravel framework.
Soil Moisture Monitoring Using Nodemcu Based Soil Moisture Sensor With Blynk Application Output Asni Tafrikhatin; Ajeng Tiara Wulandari; sumarah, Jati; Irfan Nur Cahyadi
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2120

Abstract

Currently, soil moisture monitoring is only done manually, which is less accurate, even though sometimes we need a soil moisture monitoring tool to determine the soil water content in plants. This research uses a Soil Moisture sensor to measure soil moisture and the NodeMCU ESP8266 microcontroller as the main controller. The system is designed to provide accurate and efficient soil moisture monitoring through the Internet of Things (IoT). The integration of Blynk as a monitoring application offers easy access to real-time soil moisture data via mobile devices. This system is designed to help users monitor soil moisture in real-time using NodeMCU as the main platform and Blynk for user interaction. Through this system, it is expected that users can avoid the risk of water shortages by knowing the soil water content in real-time. Based on testing, this soil moisture monitoring product has a success rate of 88.2% for soil moisture accuracy and an average user satisfaction rate of 60%.
Optimization of Convolutional Neural Network (CNN) Using Transfer Learning for Disease Identification in Rice Leaf Images Abdul Azis; Abdul Fadlil; Tole Sutikno
Jurnal E-Komtek (Elektro-Komputer-Teknik) Vol 8 No 2 (2024)
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/e-komtek.v8i2.2132

Abstract

Rice productivity, as one of the key commodities in Southeast Asia, is often hindered by various plant diseases such as Rice Blast, Bacterial Leaf Blight, and Brown Spot, which can cause significant economic losses for farmers. This study aims to develop an automated rice leaf disease detection system using deep learning, specifically leveraging the Convolutional Neural Networks (CNN) architecture with a transfer learning approach. The dataset used comprises 10,407 images of rice leaves categorized into 10 classes, including various diseases and healthy leaves. The dataset is divided into three parts: 80% (8,323 images) for training, 15% (1,557 images) for validation, and 5% (527 images) for testing. The trained EfficientNetB0 model was utilized for feature extraction and classification. The evaluation used accuracy, precision, recall, and F1-score metrics based on a confusion matrix. The results revealed that the model achieved a global accuracy of 98.86%, a micro precision of 100%, a micro recall of 99.42%, and a micro F1-score of 99.70%. These findings underscore the effectiveness of the proposed approach in automating rice leaf disease detection, providing a significant contribution to technology-based agricultural solutions.

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