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All Journal JURNAL MEDIA INFORMATIKA BUDIDARMA KOMIK (Konferensi Nasional Teknologi Informasi dan Komputer) JURIKOM (Jurnal Riset Komputer) Building of Informatics, Technology and Science TRIDARMA: Pengabdian Kepada Masyarakat (PkM) Journal of Computer System and Informatics (JoSYC) RESOLUSI : REKAYASA TEKNIK INFORMATIKA DAN INFORMASI Journal of Informatics Management and Information Technology KLIK: Kajian Ilmiah Informatika dan Komputer BEES: Bulletin of Electrical and Electronics Engineering Journal of Computing and Informatics Research Bulletin of Artificial Intelligence Kesatria : Jurnal Penerapan Sistem Informasi (Komputer dan Manajemen)

Dedy Hartama

STIKOM Tunas Bangsa, Pematangsiantar

Author-ID : 3336400

Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Social Sciences

Published : 26 Documents Claim Missing Document

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Implementasi Algoritma Data Encryption Standart (DES) Dalam Pengamanan Data Karyawan Ramayana Department Store Alan Boy Sandy Damanik; Indra Gunawan; Bahrudi Efendi Damanik; Sumarno Sumarno; Dedy Hartama
Journal of Computer System and Informatics (JoSYC) Vol 2 No 1 (2020): November 2020
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

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Employee data is information that is very confidential because it contains important information about employees and their institutions. Computers are currently the main component in the company that is able to store data, speed up work, improve the quality and quantity of services, simplify the transaction process, and others. But in terms of computer security still has several loopholes that allow a person or group to easily retrieve data or information on the computer. To avoid data theft and manipulation, a security system must be implemented. Cryptography is a study of how to change information from normal conditions / forms (can be understood) into a form that cannot be understood. One method that can be used to secure messages / information is the DataEncryption Standard (DES). The application of the DES cryptography algorithm in securing Civil Servants data shows that this algorithm can generate encryption that cannot be understood by humans and produces the exact decryption of the initial plaintext input

Implementasi ARDUINO UNO R3 dan SENSOR DHT 11 Pada Perancangan Inkubator Penetas Telur Ayam Berbasis Mikrokontroler Angga Sihasani; Dedy Hartama; Iin Parlina; Solikhun Solikhun; Sumarno Sumarno
BEES: Bulletin of Electrical and Electronics Engineering Vol 1 No 3 (2021): Maret 2021
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

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Chicken farmers are currently having difficulty in determining the temperature to hatch chicken eggs because breeders only rely on the hen as the egg incubator. The DHT11 sensor is a sensor for reading the temperature and the ideal temperature for hatching chicken eggs is 37-39, the incubator automatically uses an incandescent lamp as its warmer and uses the DHT 11 sensor as a temperature and humidity incubator, and Ardunio Uno R3 as its microcontroller, incubator hatching chicken eggs work incandescent light bulbs will heat the room in an incubator and if it is already hot the DHT 11 sensor will read the incubator's temperature and humidity and will open through the LCD and if there is already a DHT11 sensor will be sent to the sensor relay to be sent incandescent lamps

Rancang Bangun Robot Pemotong Rumput Berbasis Arduino Menggunakan Smartphone Android Bellarmino Wira Permana; Sundari Retno Andani; Ika Purnama Sari; Dedy Hartama; Jalaluddin Jalaluddin
BEES: Bulletin of Electrical and Electronics Engineering Vol 2 No 1 (2021): July 2021
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

House chores that people do is still using human power, one of which is taking care of the yard in terms of cutting grass, which still uses simple tools such as knives or grass shears so that it is enough to spend energy and time. Technology is very appropriate in helping the community's workload, for example, an Arduino based lawn mower robot that is controlled via an android device with a Bluetooth HC-06 device connection then equipped with an L298n driver as a wheel motor drive, and the robot is equipped with a cutting blade made of nylon string a distance of 0.9 inches from the ground, we can control the robot through an android device via navigation commands on the application. The robot can move forward, backward, turn right, turn left, and the robot cuts the grass cut according to the command.

Prototype Alat Pengecekan dan Penyortir Kesegaran Cabai Berdasarkan Warna Menggunakan Sensor Tcs230 Berbasis Arduino Elsa Indah Sari; Suhada Suhada; Fitri Anggraini; Dedy Hartama; Ika Okta Kirana
BEES: Bulletin of Electrical and Electronics Engineering Vol 2 No 1 (2021): July 2021
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

This study aims to create an arduino- based tool to determine the freshness of red chillies using the TCS230 color sensor to facilitate chilli traders, supermarkets and markets in choosing good and bad quality based on the color of chili. Fresh chili will be red while the bad ones are usually dull red, slightly brownish and yellowish. TCS230 converts the color of light to fermentation with a square signal output with a frequency that is proportional to the current. The working principle is that the chili passes through the TCS230 sensor from the display of this tool, it will be seen the amount of color based on the specified chili criteria will produce chili output through checking and sorting the chillies of good and bad quality.

Implementasi Algoritma RSA Untuk Keamanan Data Kredit di PT Bank Perkreditan Rakyat Solider Pematangsiantar Ferdinal Rahmat Gea; Sumarno Sumarno; Zulaini Masruro Nasution; Dedy Hartama; Jalaluddin Jalaluddin
BEES: Bulletin of Electrical and Electronics Engineering Vol 2 No 1 (2021): July 2021
Publisher : Forum Kerjasama Pendidikan Tinggi (FKPT)

Bank is a business entity that collects funds from the public in the form of savings and distributes them to the public in the form of credit. PT. Bank Perkreditan Rakyat Solider has a data system that can only be known by certain parties. Data security is one of the most important things to consider in maintaining the confidentiality of important data collection information, an additional security technique is needed with the aim of maintaining the confidentiality of this important information. Without additional techniques to maintain data confidentiality, many unauthorized parties can carry out attacks, one of which is data theft. The RSA algorithm is an appropriate security technique because it uses a pair of keys with a high level of difficulty in factoring numbers into prime factors. With the RSA Algorithm method, customer credit data at PT. Solider People's Credit Bank is kept confidential.

Penerapan Metode Dijkstra untuk Menentukan Jalur Lintasan Terpendek Kota Kisaran Menuju Objek Wisata Simalungun Zepri Pratama; Dedy Hartama; Muhammad Ridwan Lubis; Sundari Retno Andani; Ika Okta Kirana
Resolusi : Rekayasa Teknik Informatika dan Informasi Vol. 1 No. 2 (2020): RESOLUSI Nopember 2020
Publisher : STMIK Budi Darma

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Kisaran City is one of the cities in North Sumatra Province, and Simalungun tourism object is a tourist destination located in Simalungun Regency, North Sumatra Province. The purpose of this paper is to determine the shortest path or alternative route from the town of Kisaran (the starting point) to one of the tourist objects in Simalungun which took 18 samples of tourist destinations. The method used in this proposed paper is the Djikstra method which is often used by researchers and academics to determine the shortest route or the fastest route on a journey (expedition). The research data used is only from the google map to calculate each route between cities to tourist objects in Simalungun district. The application used is a PHP web program to simulate the final display of the process of finding the shortest path. The results of this research are in the form of information so that the residents of Kisaran city will know better about the shortest and fastest route to get to tourist objects in Simalungun Regency.

Perancangan dan Implementasi Alat Penghitung Roti Otomatis Menggunakan Arduino Uno dan Modul Sensor Infrared Muhammad Afifuddin Javan; Sumarno Sumarno; Jalaluddin Jalaluddin; Dedy Hartama; Ika Okta Kirana
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 4, No 1 (2020): Januari 2020
Publisher : STMIK Budi Darma

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This paper discusses the calculation of the amount automatically by using the principle of work of goods through the infahred sensor with reflecting light that mixes the light discovery items. This tool can work automatically because it is controlled by the ATmega328 microcontroller. The whole system consists of several components 1. Infrared sensors, 2. 16x2 LCDs, several jamper cables, bredbord, power supplies and several other devices. This step is to try the bread counter automatically. The test results of the design of the tool can work well in the process of selecting and calculating the amount of bread. Which will be sold to consumers.

Analisa Klasifikasi C4.5 Terhadap Faktor Penyebab Menurunnya Prestasi Belajar Mahasiswa Pada Masa Pandemi Khairunnissa Fanny Irnanda; Dedy Hartama; Agus Perdana Windarto
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 5, No 1 (2021): Januari 2021
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v5i1.2763

The purpose of the study was to classify the factors causing the decline in student achievement during the pandemic using the C4.5 datamining method. Sources of research data were obtained by conducting interviews and distributing questionnaires to 7th semester students of the 2020-2021 school year information system study program. Attributes that used in the classification of the factors causing the decline in student achievement include: Learning Method (C1), Study Time (C2), Material Understanding (C3), Giving Assignments (C4) and Environment (C5). The results of the calculation show that the Material Understanding (C3) attribute is the attribute that most influences the decline in student learning achievement. Testing was also carried out using the help of Rapidminer software and obtained an accuracy of 97.5%.

Perancangan Alat Monitoring Pendeteksi Suara di Ruangan Bayi RS Vita Insani Berbasis Arduino Menggunakan Buzzer Handri Al Fani; Sumarno Sumarno; Jalaluddin Jalaluddin; Dedy Hartama; Indra Gunawan
JURNAL MEDIA INFORMATIKA BUDIDARMA Vol 4, No 1 (2020): Januari 2020
Publisher : STMIK Budi Darma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30865/mib.v4i1.1750

Mining age and technology have led to the emergence of an innovation that can help facilitate human activities, especially for parents in controlling and looking after babies. By implementing a sound monitoring system in the baby room based on the Arduino Atmega 328 microcontroller which functions to detect noise. Data from the voice sensor is processed by Arduino via a pin. So Arduino will give instructions to Buzzer to send alarm notifications

Prediksi Perkembangan Jumlah Pelanggan Listrik Menurut Pelanggan Area Menggunakan Algoritma Backpropagation Irfan Christian Saragih; Dedy Hartama; Anjar Wanto
Building of Informatics, Technology and Science (BITS) Vol 2 No 1 (2020): Juni 2020
Publisher : Forum Kerjasama Pendidikan Tinggi

Electricity is one of the vital needs of humanity. Without electricity, it is certain that the wheels of the economy will not be able to run properly. So that electricity customers are increasingly increasing, as they increase the needs and population of the community. Therefore this study aims to determine the development of the number of electricity customers using the backpropagation algorithm. The research data used was electricity customer data by area (customer) in North Sumatra in 2013-2017, obtained from the Central Statistics Agency of North Sumatra. This study uses 5 architectural models, namely 4-2-1, 4-3-1, 4-4-1, 4-5-1, and 4-6-1. Of the five architectural models used, one of the best architectural models is obtained 4-4-1 with an accuracy rate of 88%, epoch 716 iterations in a short amount of time, 15 seconds, with MSE Training 0,00099763 and MSE testing 0.00109935. Based on the best architectural model, this will be used to predict the Development of Electricity Customers by Area Customers in North Sumatra from 2018 to 2020

Co-Authors Adinda Putri Azhari Agus Perdana Windarto Alan Boy Sandy Damanik Angga Sihasani Bahrudi Efendi Damanik Bellarmino Wira Permana Cici Astria Dewinta Marthadinata Sinaga Dinda Nabila Batubara Dwi Findi Auliasari Eka Irawan Elsa Indah Sari Ferdinal Rahmat Gea Fitri Anggraini Friskila Parhusip Gita Febrianti Handri Al Fani Heru Satria Tambunan Iin Parlina Ika Okta Kirana Ika Purnama Sari Ilham Saputra Saragih Indra Fransiskus Tarigan Indra Gunawan Indra Gunawan Irfan Christian Saragih Irfan Sudahri Damani, Irfan Sudahri Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Jalaluddin Khairunnissa Fanny Irnanda Kristin Daya Rohani Sianipar Kurnia Sandi Purba M Safii M Safii M. Ridwan Lubis Maulidya Rahma Siregar Mawaddah Anjelita Muhammad Afifuddin Javan Muhammad Aliyul Amri Muhammad Ridwan Lubis Muhammad Syafiq Nurul Rofiqo Okprana, Harly Poningsih Primatama Kurniandisyah S Suhada Saifullah Saifullah Saifullah Solikhun Solikhun Sri Vivi Wahdini Suhada Suhada Suhada Sumarno Sumarno Sumarno Sundari Retno Andani Wanto, Anjar Yuli Septya Ayunda Zepri Pratama Zulaini Masruro Nasution Zulaini Masruroh Nasution

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