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All Journal Lontar Komputer: Jurnal Ilmiah Teknologi Informasi Elektron Jurnal Ilmiah IPTEK The Journal for Technology and Science Prosiding Semnastek Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) InComTech: Jurnal Telekomunikasi dan Komputer Journal of Information Technology and Computer Engineering Jurnal Hilirisasi IPTEKS (JHI) Buletin Ilmiah Nagari Membangun Warta Pengabdian Andalas: Jurnal Ilmiah Pengembangan Dan Penerapan Ipteks CHIPSET (Journal on Computer Hardware, Signal Processing, Embedded System and Networking)
Dodon Yendri
Universitas Andalas
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Optimizing Tourism Potential and Superior Products of Sanjai Tourism Village Through Website Design and Implementation Rifki Suwandi; Arrya Anandika; Rian Ferdian; Tati Erlina; Ratna Aisuwarya; Budi Rahmadya; Dodon Yendri; Werman Kasoep; Rahmi Eka Putri; Nefy Puteri Novani; Desta Yolanda; Rizka Hadelina
Warta Pengabdian Andalas Vol 32 No 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat (LPPM) Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jwa.32.1.61-70.2025

Abstract

The use of technology is fundamental in the digital era. Adjustment and transformation are essential activities to keep up with technological developments. One of the uses of technology is product marketing and promotion. Sanjai Tourism Village, located in Bukittinggi City, is one of the villages where marketing and promotion of tourism products are still carried out using conventional promotional methods such as through newspapers, radio advertisements, posters, and distribution of brochures. This method is still limited and cannot reach a broader scope. Therefore, to compete in the digital era, there needs to be a transformation of promotion and marketing of tourism products through the internet media using a website. Information about promoting and marketing tourism products can be done digitally and online using a website. The results of advertising and marketing tourism village products by utilizing the website can be spread and known to the public with a broader reach. Therefore, in the community service activities of the Unand Computer Engineering Department, the Sanjai Tourism Village website was built with a method consisting of several stages, such as coordination, surveys, design, website implementation, improvement, and submission of the website to Sanjai Tourism Village. Each stage has been carried out, and a website has been produced with features such as a homepage, profile, tourism products of various fields, news and activities, and contacts.
Sistem Pemesanan Makanan dan Minuman Pada Restoran Menggunakan Teknologi NFC Berbasis Android Putri, Annisa Yolanda; Yendri, Dodon
JITCE (Journal of Information Technology and Computer Engineering) Vol. 2 No. 01 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.2.01.34-40.2018

Abstract

One area of business that is in great demand today is the culinary field. The culinary field is very mushrooming because it deals with meeting basic human needs. Therefore service to digital needs to be a concern. The goal is to improve services with NFC (Near Field Communication) based on Android for ordering food and drinks. This research uses experimental research methods by applying NFC that is on smart phones as a way to bring the smart phone closer to the NFC tag that is already on each table. Message data entered on a mini PC computer (Raspberry Pi) as the server for the next as a booking order that will be ordered by the waiter. Simulation show that a system can read NFC tags and find out table numbers via a smart phone with a 100% success rate, remote reading of NFC tags by smart phones is 2.5 cm and the average time by the system is 1,12 seconds. Besides that, the system is also equipped with calculations for payments with 100% accuracy.
Sistem Pengontrolan Dan Keamanan Rumah Pintar (Smart Home) Berbasis Android Yendri, Dodon; Putri, Rahmi Eka
JITCE (Journal of Information Technology and Computer Engineering) Vol. 2 No. 01 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.2.01.1-6.2018

Abstract

The tightness of one's activities sometimes makes people forget about security and comfort issues such as forgetting to lock the door, forgetting to turn off the lights or other electronic equipment so that it makes the house unsafe and also have an impact on energy waste. This research objective was to design a home security control system using Raspberry Pi connected to several electronic equipment, wifi, and internet communication networks. Remote control and monitoring using a smartphone. The test was carried out on ACS712 current sensor, PIR (Passive Infra Red) sensor, DHT22 temperature and humidity sensor, two lights and one webcam and buzzer. The test results show that the system that is designed can display information on current values, temperature, and humidity and also can control the condition of the house by turning on and off two lights with a 100% success rate. The PIR sensor can detect the movement of people at a maximum distance of 5.5 meters and the webcam manages to capture objects when motion is detected, the notification will automatically be sent to the owner's smartphone and the buzzer will be activated immediately.
Identifikasi Halitosis Berdasarkan Tingkatan Berbasis Sensor Gas Menggunakan Metode Learning Vector Quantization Yendri, Dodon; Irviana, Anisa; Andrizal, Andrizal
JITCE (Journal of Information Technology and Computer Engineering) Vol. 1 No. 01 (2017)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.1.01.35-47.2017

Abstract

Diabetes mellitus and gastric infections can be detected through bad breath bad breath (halitosis). Halitosis is a condition where the smell of bad breath occurs when a person exhales (usually smells when talking). This study aims to create an oral health identification and classification system (halitosis). TGS-2602 gas sensor will detect gas levels in the mouth of the patient, and send data in the form of an analog signal to the ATmega 328 microcontroller. By programming the data read on the Raspberry Pi, the data from the microcontroller is stored in a file and then the data is processed using the Fast Fourier Transform method. (FFT) so that the desired data pattern is obtained. The data pattern of the Fast Fourier Transform (FFT) output will be used as input data on the Learning Vector Quantization (LVQ) neural network method. System testing is done to people with halitosis and not halitosis bad breath. The results showed that the percentage success rate of sensor responses to mild halitosis samples was 25%, moderate halitosis samples were 50%, acute Halitosis samples were 50% and non-halitosis samples were 100%.
Rancang Bangun Alat Ukur Tinggi dan Berat Badan Ideal Berdasarkan Metode Brocha Berbasis Mikrokontroler Maulana, Luthfan; Yendri, Dodon
JITCE (Journal of Information Technology and Computer Engineering) Vol. 2 No. 02 (2018)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.2.02.76-84.2018

Abstract

Body’s height and mass measurement usually are measured with a different instrument without a knowledge to know the ideal body mass index (BMI). Ideal BMI is related to our health condition especially for people who do exercise. Usually people just guess the BMI from a visual condition that sometime give a false measurement. This paper proposes a device that can measured ideal BMI based on Brocha method based on microcontroller. The body’s height will be measured using ultrasonic sensor while the body’s mass will be measured with a load cell. The results show that the proposed device can predict the BMI well. The height measurement has a successful rate of 80%.
Two Sequential Authentication Method on Locker Security System Using Open-Sourced Smartphone Yendri, Dodon
JITCE (Journal of Information Technology and Computer Engineering) Vol. 3 No. 02 (2019)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.3.02.65-69.2019

Abstract

Lockers are commonly used to store luggages temporarly. For security purposes, lockers are equipped with conventional lock keys to keep it safe. In order to enhance the security aspects, there are several options by optimalizing current emerging technology that is two-factors authentication. This method is commencing by inputting some PIN (Personal Identification Numbers) code then it would trigger confirmation access by smartphone to unlock the lockers. By having this security schemes, any unauthorized users could not allowed any attempt to unseal the locker. More over, the owner could immediately recognize if there was any suspicious access. The result of this research shows that the system could unlock the locker by inputting the correct PIN and verified access by achieving the successful percentage of 100%. The averages response time is around 6.647 seconds, while any attempt to unlock the locker by inputting the incorrect access gain 100% percentages
Pengendali Pompa Pengisi Galon Air Berbasis Sensor Waterflow Dan Mini PC Andrizal, Andrizal; Yendri, Dodon
Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi) Vol 1 No 2 (2017): Agustus 2017
Publisher : Ikatan Ahli Informatika Indonesia (IAII)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (622.994 KB) | DOI: 10.29207/resti.v1i2.34

Abstract

Proses pengisian galon di minum depot air menggunakan pompa air yang dilakukan oleh operator secara manual dengan menekan tombol on atau off. Ketika proses pengisian galon sedang berlangsung, operator selalu memperhatikan kondisi air di dalam galon apakah air sudah terisi penuh atau belum. Operator akan menghabiskan lebih banyak waktu mengamati galon sampai terisi penuh atau hampir penuh, kemudian sakelar di OFF kan. Ketika tombol OFF diaktifkan, maka sangat mungkin air akan tumpah karena motor pompa belum sepenuhnya berhenti karena masih ada air yang dipompakan oleh motor. Penelitian ini bertujuan untuk mengontrol putaran motor pompa air ketika mengisi galon. Motor pompa bekerja secara otomatis dengan metoda PID, mengisi galon sesuai dengan set point yang diinginkan. Pengujian telah dilakukan pada galon volume 5 liter, 10 liter dan 19 liter. Hasil uji ketelitian sistem mengisi galon galon kapasitas 5 liter 99,40%, galon 10 liter 99,779% dan 99,865% untuk galon 19 liter.
Rancang Bangun Sistem Buka Tutup Otomatis Kotak Penjemur Kulit Sapi Berbasis Mikrokontroler Esp32: Indonesia Khairunnisa; Yendri, Dodon
CHIPSET Vol. 6 No. 01 (2025): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.6.01.30-37.2025

Abstract

Proses pengeringan kulit sapi merupakan langkah penting dalam pembuatan produk kerupuk kulit, terutama di Sumatera Barat. Pengeringan tradisional menggunakan sinar matahari memakan waktu lama, bergantung pada cuaca, dan membutuhkan pengawasan intensif. Sementara itu, metode pengeringan dengan oven atau heater memerlukan konsumsi energi yang besar dan kurang ramah lingkungan. Oleh karena itu, penelitian ini bertujuan untuk merancang dan membangun sistem pengering kulit sapi otomatis berbasis mikrokontroler ESP32 yang dapat menyesuaikan metode pengeringan sesuai kondisi cuaca. Sistem ini dilengkapi dengan sensor BH1750 untuk mendeteksi intensitas cahaya, sensor hujan untuk mendeteksi keberadaan air hujan, dan sensor DHT22 untuk memantau suhu serta kelembapan di dalam kotak pengering. Selain itu, sensor load cell digunakan untuk mengukur berat kulit sapi secara berkala hingga mencapai tingkat kekeringan yang diinginkan. Sistem dirancang untuk melakukan pengeringan menggunakan sinar matahari pada kondisi cuaca cerah, dan beralih ke metode pengeringan dengan heater ketika cuaca buruk. Pengendalian suhu dan kelembapan pada mode pengeringan dengan heater dilakukan menggunakan logika fuzzy untuk mengatur kipas dan heater secara efisien. Notifikasi real-time mengenai kondisi kulit sapi, suhu, kelembapan, dan beratnya dikirimkan kepada pengguna melalui bot Telegram. Hasil pengujian menunjukkan bahwa sistem ini dapat beroperasi secara otomatis sesuai dengan kondisi lingkungan, meminimalkan konsumsi energi, serta meningkatkan efisiensi dan efektivitas proses pengeringan.
Audio-Based Assistive Device for Boxed Product Detection for The Visually Impaired Yoni, Muhammad Dzaky; Yendri, Dodon
CHIPSET Vol. 6 No. 01 (2025): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.6.01.68-75.2025

Abstract

Visually impaired individuals face challenges in recognizing and distinguishing boxed products, which are typically identified visually. This study aims to develop an audiobased assistive system for detecting boxed product packaging to enhance the independence of visually impaired individuals. The system utilizes the Single Shot Multibox Detector (SSD) MobileNetV2 algorithm for object detection and classification, with the Raspberry Pi 4 Model B as the main microcontroller and the Raspberry Pi Camera OV5647 for image capture. The HC-SR04 ultrasonic sensor is used to measure the distance of objects from the user, while the output information is provided through wireless earphones in the form of audio. Experimental results show that the system can detect and classify boxed products with an accuracy of 95%, precision of 96.8%, recall of 98%, and an F1-Score of 97.4%. This system provides real-time audio feedback, assisting visually impaired individuals in identifying products without the need for tactile exploration.
A Door Lock Security System with Remote Keyless Feature Using The Puf Approach Method Ramadhan, Muhamad Noveri; Yendri, Dodon
CHIPSET Vol. 6 No. 02 (2025): Journal on Computer Hardware, Signal Processing, Embedded System and Networkin
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/chipset.6.02.103-116.2025

Abstract

Home security systems are now increasingly important to provide peace and comfort, Especially if the occupants often leave the house. As the main access point, the door is an important thing to pay attention to in maintaining home security. Smart door locks offer better security features compared to traditional mechanical lock. However, technology that relies on smartphones or PINs has vulnerability to attacks such as brute force and various digital security threats. Besides that, The limitations of human memory pose challenges in maintaining security. This research develops a door security system with remote keyless feature using the Physical Unclonable Function (PUF) approach and Bluetooth connectivity as a communication system. The system uses RSSI values to provide remote control and reminders, ensuring automatic locking at a certain distance. Test results show that this system effectively providing unique security and convenience for users. The use of servo motor ensures precision in locking, while the ESP32 is used for communication and generates a unique PUF values, making the system more secure and resistant to duplication.
Co-Authors - Andrizal Adi Arga Arifnur Adnediel, Gery Afdholli Putra Aina Nurul Fitri Amalia Tiffany Andrizal Andrizal Anggraini, Yuni Anisa Irviana Annisa Yolanda Putri Antony Richardo Arrya Anandika Aulia Rossalina Budi Rahmadya Daputri Karmita Dedi Hermanto Demita, Syukurillah Paradiqma Derisma Derisma Derisma Derisma Emyr Riyanda Azra Ferdian, Rian Fitra Marta Yonas Hersyah, Mohammad Hafiz Ibrahim Saputra Indrapriyatna, Ahmad Syafruddin Irviana, Anisa Khairunnisa Khandra Fahmy Kiki Amelia Lathifah Arief, Lathifah Luthfan Maulana M. Hafiz Hersyah M. Ridho Heranof Maulana, Luthfan Muhammad Ridho Heranof Muhammad, Fauzan Nefy Puteri Novani Nefy Puteri Novani Nefy Puteri Novani Purwoko, Agus Putri, Annisa Yolanda Putri, Rani Pratama Rahmi Eka Putri Rahmi Eka Putri, Rahmi Eka Rakan El Fawwaz Ramadhan, Muhamad Noveri Rani Pratama Putri Ratna Aisuwarya Reyana Yunindya Sabilla Rezy Pratiwi Rifki Suwandi Rifki Suwandi Rifki Suwandi, Rifki Rizka Hadelina Shalsabilla Syaqila Tati Erlina Tati Erlina Werman Kasoep Werman Kasoep Werman Kasoep Wildian Wildian Yelchi Multri Meisya Yolanda, Desta Yoni, Muhammad Dzaky Yuni Anggraini