Articles
<![CDATA[Wastafel Pintar Berbasis Energi Terbarukan ]]>
<![CDATA[Zuraidah Tharo]]>;
<![CDATA[Hamdani Hamdani]]>;
<![CDATA[Melly Andriana]]>;
<![CDATA[Putra Andhika]]>
<![CDATA[ INTECOMS: Journal of Information Technology and Computer Science Vol 6 No 1 (2023): INTECOMS: Journal of Information Technology and Computer Science ]]>
Publisher : <![CDATA[Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE) ]]>
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DOI: 10.31539/intecoms.v6i1.6068
<![CDATA[Wastafel biasa kita dengar dan digunakan sebagai salah satu alat untuk mencuci tangan. Tetapi wastafel yang akan dibahas pada tulisan ini adalah Wastafel Pintar. Wastafel Pintar merupakan alat cuci tangan yang menggunakan teknologi sensor dalam penggunaannya, sehingga tidak perlu melakukan sentuhan dalam penggunaanya. Wastafel Pintar memanfaatkan cahaya/sinar matahari sebagai sumber energi listriknya, inovasi ini merupakan sebuah bentuk pemanfaatan Energi Terbarukan. Dengan memanfaatkan sumber energi yang tersedia sangat banyak dari alam, maka Wastafel pintar dapat digolongkan menjadi wastafel yang murah dan ramah lingkungan. Untuk mengkonversikan sinar Matahari menjadi Energi Listrik, dibutuhkan suatu peralatan yang disebut Sel Surya (Solar Cell). Sel Surya akan mengkonversi sinar/cahaya Matahari menjadi Energi Listrik dengan bantuan peralatan lain seperti Inverter, Solar Charge Controller (SCC) dan Baterai. Sel Surya yang digunakan pada sistem ini sebesar 20 Wp, 12 V dengan arus rata-ratanya 1,2 A. Lama Pengisian dengan kapasitas Baterai 7,2 Ampere dan arus pengisian 1,2 A maka Baterai akan terisi penuh selama 6 jam]]>
<![CDATA[Kajian Pembangunan Lift Barang Pintar Kapasitas 50 Kg Dengan Pembangkit Listrik Tenaga Surya (PLTS) ]]>
<![CDATA[Hamdani Hamdani]]>;
<![CDATA[Adi Sastra]]>;
<![CDATA[Deny Firmansyah]]>
<![CDATA[ INTECOMS: Journal of Information Technology and Computer Science Vol 6 No 1 (2023): INTECOMS: Journal of Information Technology and Computer Science ]]>
Publisher : <![CDATA[Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE) ]]>
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DOI: 10.31539/intecoms.v6i1.6345
<![CDATA[Gedung I di kampus Universitas Pembangunan Panca Budi (UNPAB) mulai beroperasi pada tahun 2017 dan terdiri dari empat lantai. Sebagian ruangan di lantai 3 dan 4 digunakan sebagai kantor universitas dan klinik, sedangkan biro dan instansi yang berada di Gedung I adalah yang memiliki volume pergerakan barang dan dokumen yang tinggi. Karyawan di Gedung I kesulitan membawa barang dan dokumen keluar masuk gedung. Oleh karena itu, peneliti mengusulkan untuk membangun smart lift berbasis mikrokontroler yang hanya dapat diakses oleh orang-orang tertentu dengan hak akses menggunakan RF ID atau KTP elektronik dan memiliki keterbatasan daya tampung barang. Kajian juga akan mempertimbangkan penerapan pembangkit listrik tenaga surya sebagai sumber listrik cadangan agar lift tetap dapat beroperasi saat listrik padam. Keluaran dari penelitian ini berupa artikel jurnal dan prototipe smart lift]]>
<![CDATA[An Analysis of Current Decrease in Generators at the Hydrogen Plant PLTU Pangkalan Susu ]]>
<![CDATA[Rizky Purba]]>;
<![CDATA[Adi Sastra P. Tarigan]]>;
<![CDATA[Hamdani]]>
<![CDATA[ International Journal of Economic, Technology and Social Sciences (Injects) Vol. 3 No. 1 (2022): May 2022 ]]>
Publisher : <![CDATA[CERED Indonesia Institute ]]>
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DOI: 10.53695/injects.v3i1.762
<![CDATA[The hydrogen generator is one of the devices used to cool the main generator. The hydrogen produced by the hydrogen generator is sent to the main generator to reduce the very high temperature. The hydrogen generator system is the hydrogen obtained from the electrolyte. After the electrolysis process, it flows into the generator to cool the main generator. The PLTU Pangkalan Susu hydrogen power plant was interrupted by a sudden power drop. As a result, the system tripped, cutting off the supply of hydrogen injected to the generator. According to the analysis, the reason for the current drop is that the electrolyte concentration value is low. in order to replace it in such a way that the current in the generator returns to normal.]]>
<![CDATA[Analysis Of The Effect Of Excitation Current On The Synchronology Generator On Loading At Plta Renun PT PLN (Persero) UPDK Pandan ]]>
<![CDATA[David Simanullang]]>;
<![CDATA[Siti Anisah]]>;
<![CDATA[Hamdani]]>
<![CDATA[ International Journal of Economic, Technology and Social Sciences (Injects) Vol. 3 No. 1 (2022): May 2022 ]]>
Publisher : <![CDATA[CERED Indonesia Institute ]]>
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DOI: 10.53695/injects.v3i1.767
<![CDATA[This study will discuss the effect of the excitation current of the PLTA RENUN synchronous generator on each load change to maintain the nominal output voltage of the generator with a variable transmission voltage of 150 kV. The analysis data is obtained from the Daily Operation Report of the RENUN HEPP in accordance with changes in the generator load or changes in the value of the transmission voltage to determine its effect on changes in the AVR excitation current. The daily data obtained is then compared with the initial setting or AVR characteristics during the Commissioning Test, the resulting deviation will be used as input for the Pandan UPDK Engineering in carrying out the next corrective action. Thus the reliability of the PLTA RENUN in serving P2B to maintain the stability of the 150 kV Sumbagut transmission system is maintained.]]>
<![CDATA[Improved Campus Security Tracking Technology With NFC System ]]>
<![CDATA[Aditya Maulana]]>;
<![CDATA[Adi Sastra P. Tarigan]]>;
<![CDATA[Hamdani]]>
<![CDATA[ International Journal of Economic, Technology and Social Sciences (Injects) Vol. 3 No. 2 (2022): October 2022 ]]>
Publisher : <![CDATA[CERED Indonesia Institute ]]>
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DOI: 10.53695/injects.v3i2.769
<![CDATA[Smart Card is the main support in the gate system. This study aims to apply smart cards to smart gates among the academic community as users. This system uses a MIFARE type Near Field Communication (NFC) smart card as an identity for identification and authentication. The read/write process is configured where data blocks can be read using the Arduino integrated hardware. Information security on NFC tags is carried out using Caesar Chipper encryption and the rotary letter method. The time needed to read information from the database to the NFC tag without a barrier is the fastest time of 1.49 deTechnology and the longest 2.26 deTechnology with an average processing time of 1.84 deTechnology, while for testing using the fastest time barrier it is obtained 1, 53 deTechnology and the longest time is 2.21 deTechnology with an average processing time of 1.83 deTechnology. This shows that the time used in the process of writing information is efficient and is not affected by obstacles.]]>
<![CDATA[Design and Construction of Computer Numeric Control (CNC) Machines Based on Microcontrollers ]]>
<![CDATA[Iqbal rasikin]]>;
<![CDATA[Hamdani]]>;
<![CDATA[Pristisal Wibowo]]>
<![CDATA[ Journal of Information Technology, computer science and Electrical Engineering Vol. 1 No. 3 (2024): October 2024 ]]>
Publisher : <![CDATA[Yayasan Sinergi Multidimensi Kreatif ]]>
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DOI: 10.61306/jitcse.v1i3.71
<![CDATA[Computer Numerical Control (CNC) is a technology that allows automatic control of machine tools through programmed commands. This research aims to design and build microcontroller-based CNC machines for material cutting applications. The use of microcontrollers as the main control is expected to provide flexibility and efficiency in CNC machine operations.The research methodology includes the stages of conceptual design, component selection, electronic system manufacturing, operational testing, and engine performance evaluation. The designed CNC machine uses a microcontroller controller to drive the stepper motor and control the cutting process based on G-Code data. The results show that this microcontroller-based CNC machine is able to produce cuts with an adequate level of accuracy and precision for material processing applications. Performance evaluations show that the machine can operate a wide range of sizes and types of cuts with consistent results. The implementation of microcontroller-based CNC machines can be an effective alternative in the development of material processing technology with reliable and adaptive automatic control to various industrial applications.]]>
<![CDATA[Design and Build Microcontroller-Based Computer Numerical Control (CNC) Machine ]]>
<![CDATA[Iqbal Rasyidin]]>;
<![CDATA[Hamdani]]>;
<![CDATA[pristisal]]>
<![CDATA[ Journal of Information Technology, computer science and Electrical Engineering Vol. 1 No. 3 (2024): October 2024 ]]>
Publisher : <![CDATA[Yayasan Sinergi Multidimensi Kreatif ]]>
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DOI: 10.61306/jitcse.v1i3.73
<![CDATA[Computer Numerical Control (CNC) machining is a system that allows automatic control of machine tools using graphically depicted commands. This study was conducted to determine and create microcontroller-based CNC machines for material processing. It is expected that the use of microcontrollers as the main control instrument will allow CNC machines to operate more flexibly and efficiently. The approach to conducting research includes conceptual planning, component selection, electronic system development, operational management, and performance evaluation. CNC machines are designed to use microcontrollers to drive stepper motors and control the motorization process using G-Code data. The findings of the study show that microcontroller-based CNC (computer numerical control) machines can produce outputs with the accuracy and pressure required for material processing applications. According to the results of the performance evaluation, the machine can operate in different time spans and customer types while providing consistent results. As a result, the use of microcontroller-based CNC machines has the potential to be an effective alternative in the development of material processing technologies with automatic controls that can be accessed and adapted for a wide range of industrial applications.]]>
<![CDATA[Implementation Of Hydroponic Device Control System Via Website ]]>
<![CDATA[Hamdani]]>;
<![CDATA[Benny Satria]]>;
<![CDATA[Irfan Fatahanan]]>
<![CDATA[ Journal of Information Technology, computer science and Electrical Engineering Vol. 1 No. 3 (2024): October 2024 ]]>
Publisher : <![CDATA[Yayasan Sinergi Multidimensi Kreatif ]]>
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DOI: 10.61306/jitcse.v1i3.85
<![CDATA[Hydroponics is a method of farming without using soil, usually carried out in a glass room using water as a medium containing nutrient. The hydroponic farming method is considered suitable for use in densely populated areas with limited agricultural land. The flow of water that carries nutrients for plants must be regulated as well as possible to support optimal plant growth. The focus of this research is to design a water flow control system that carries nutrients automatically and can be monitored and controlled remotely using the internet. Water conditions are read by sensors and processed by the ESP8266 microcontroller. Monitoring results are displayed via LCD and via website. Control of the nutrient-carrying water pump is also done via the website. With this system, hydroponic farmers can monitor and control the water and nutrient flow system remotely.]]>
<![CDATA[Perancangan Simulator Sistem Proteksi dan Monitoring Suhu pada Motor DC Berbasis Internet of Things (IoT) ]]>
<![CDATA[Irwan Syaputra]]>;
<![CDATA[Ahmad Dani]]>;
<![CDATA[Hamdani]]>
<![CDATA[ Jurnal Komputer Teknologi Informasi Sistem Komputer (JUKTISI) Vol. 5 No. 2 (2026): September 2026 ]]>
Publisher : <![CDATA[LKP KARYA PRIMA KURSUS ]]>
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DOI: 10.62712/juktisi.v5i2.1376
<![CDATA[Penelitian ini menerapkan metode perancangan yang mencakup studi literatur, perancangan perangkat keras dan perangkat lunak, implementasi sistem, serta pengujian kinerja untuk memastikan seluruh komponen bekerja secara optimal. Sistem memanfaatkan sensor suhu DS18B20 sebagai perangkat monitoring suhu yang terintegrasi dengan mikrokontroler ESP32 untuk memperoleh data secara real-time. Informasi yang diperoleh kemudian ditampilkan pada dashboard berbasis web sehingga kondisi motor listrik dapat dipantau secara terus-menerus. Sebagai bagian dari sistem proteksi, relay digunakan untuk memutus aliran listrik secara otomatis ketika suhu motor melewati batas aman yang telah ditetapkan, sehingga potensi kerusakan akibat overheating dapat diminimalkan. Implementasi berbasis Internet of Things (IoT) memungkinkan proses pemantauan dilakukan dari jarak jauh melalui jaringan internet dengan waktu respons yang relatif cepat. Hasil pengujian menunjukkan bahwa sistem mampu memberikan pembacaan suhu yang stabil, mengirimkan data secara real-time, serta menjalankan mekanisme proteksi secara otomatis sesuai kondisi yang terdeteksi. Dengan rancangan yang sederhana, biaya implementasi yang relatif rendah, dan kemudahan pengembangan lebih lanjut, sistem ini berpotensi menjadi solusi alternatif dalam meningkatkan keandalan operasi motor listrik sekaligus mendukung proses monitoring dan pengambilan keputusan secara lebih efektif di lingkungan industri.]]>
<![CDATA[ANALYSIS OF IMPROVING THE RELIABILITY OF A 20 KV DISTRIBUTION NETWORK SYSTEM USING THE HOT-SPOT IDENTIFICATION METHOD IN THE CUSTOMER SERVICE UNIT (ULP) OF WOHA ]]>
<![CDATA[Ilham Nuzul Firman]]>;
<![CDATA[Hamdani]]>;
<![CDATA[Hikmatul Fadhilah Sianipar]]>
<![CDATA[ Journal of Information Technology, computer science and Electrical Engineering Vol. 2 No. 2 (2025): June-September 2025 ]]>
Publisher : <![CDATA[Yayasan Sinergi Multidimensi Kreatif ]]>
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DOI: 10.61306/jitcse.v2i2.202
<![CDATA[PT. PLN (Persero) is a company with an extensive distribution network system, which continues to expand in terms of the number of distribution networks. This company is known for its excellent efforts in improving the quality of service to its customers, particularly in meeting the electricity needs of customers in the West Nusa Tenggara region. With the existing distribution system network, reliability analysis can be determined by assessing the system's quality in relation to disruptions that occur. To improve the quality of electricity distribution, the performance of the distribution network system is a key aspect that will always be maintained to ensure electricity is delivered to customers. In enhancing the quality of the distribution system, the calculation of reliability indices, based on the average interruption frequency (SAIFI) and the average interruption duration (SAIDI), serves as a reference for the reliability of the distribution network.]]>
