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All Journal Prosiding Semnastek Jurnas Nasional Teknologi dan Sistem Informasi Jurnal Teknologi dan Sistem Komputer Journal of Information Technology and Computer Engineering CHIPSET (Journal on Computer Hardware, Signal Processing, Embedded System and Networking) The Indonesian Journal of Computer Science
Dody Ichwana Putra
Departemen Teknik Komputer, Universitas Andalas
Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering

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Design and Implementation of a Microcontroller-Based Water Turbidity Detector Utilizing the Nephelometric Turbidity Unit Method Ichwana Putra, Dody; Ekariani, Shelvi
The Indonesian Journal of Computer Science Vol. 12 No. 5 (2023): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v12i5.3434

Abstract

The objective of this study is to create a water turbidity detection system, aiding customers of a municipal water supply company in preserving the quality of water for everyday use. The aim is to prevent the mingling of stored clean water with turbid water when the tap is turned on. To achieve this, we employ a smartphone as a remote control device, enabling users to monitor the water's condition remotely. The study's findings demonstrate that this system adeptly manages the water separation process based on its condition, allowing manual control via Bluetooth communication within a maximum range of 10 meters. This setup provides two control options: activating and deactivating the water channel through a solenoid valve. Test outcomes indicate the system effectively segregates the water as per its condition and promptly follows user directives.
WISE-Energy: Wireless Integrated Smart Energy Systems Ichwana Putra, Dody; Ekariani, Shelvi
The Indonesian Journal of Computer Science Vol. 13 No. 5 (2024): The Indonesian Journal of Computer Science (IJCS)
Publisher : AI Society & STMIK Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33022/ijcs.v13i5.4139

Abstract

This paper introduces WISE-Engergy, Wireless Integrated Smart Energi Systems. This system is designed to optimize indoor electricity usage by fostering user awareness of energy-saving practices. Users are reminded to turn off electrical devices when leaving the room through notifications on an Android smartphone application. The research aims to increase public awareness of the importance of energy conservation and to apply technology to achieve higher energy efficiency. The contribution of this research lies in the development of an innovative energy-saving system that can be implemented in various indoor environments to support sustainable energy-saving efforts. The test results show that this system successfully achieves its intended goals. The notifications sent to the last user in the room effectively encouraged them to turn off the lights upon leaving. The WSN communication test between room 1 and room 2 also demonstrated that the system could transmit power data from room 2 to room 1 via the XBee module. System evaluation and testing indicated that SENIOR successfully notified users to turn off electrical devices. This research makes a significant contribution to addressing energy-saving challenges and promoting an energy-saving culture in the community.
Sistem Pengatur Irigasi Sawah Menggunakan Metode Irigasi Alternate Wetting and Drying Berbasis Teknologi Internet of Things Husna, Tisnainil; Ichwana, Dody; Kasoep, Werman
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.2.02.92-100.2018

Abstract

Rice is the staple food of the majority of Indonesians and most of the population work as farmers. However, the amount of rice produced are still insufficient. To meet the rice needs for the society, it should increase the amount of rice production by focusing on rice field quality such as the water level rice fields. In this study a prototype rice field irrigation system is designed using AWD irrigation method by regulating open activation and closing the inlet gate and exit gate based on the age of paddy which are calculated using RTC and the height of paddy water measured using ultrasonic sensors. The system also designed to receive input from the age of paddy and deactivate the system from the mobile application through the ESP8266 module. Test results from this system can measure water level with accuracy of 95.68% and read real-time time with 98.67% accuracy. The servo motor NFC DS04 works to open the door with a duration of 60 seconds and closes the door with a duration of 56 seconds. The paddy irrigation regulating system can regulate the water level with a success percentage of 81.48%. The system can receive input and deactivate the system with a percentage of success of 70%.
Rancang Bangun Sistem Penentuan Jalur Evakuasi Keluar Gedung Rumah Sakit Saat Kondisi Darurat Menggunakan Algoritma Dijkstra Dengan Antrian Prioritas Kemala, Ade Putera; Ichwana, Dody
JITCE (Journal of Information Technology and Computer Engineering) Vol. 3 No. 01 (2019)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jitce.3.01.30-38.2019

Abstract

Disaster is a sudden event, such as an accident or a natural catastrophe, that causes great damage or loss of life. Disasters can occur at any time, therefore a mechanism is needed to evacuate out of the building during a disaster. Generally public facilities have provided instructions and evacuation routes outside the building. Based on the severity of the disaster and the evacuation capability of the victim, the evacuation strategy can range from evacuation as soon as possible, evacuate slowly, move to a safe location inside the building or take refuge in the available protection room and wait for the rescue team to arrive. The algorithm for finding the shortest paths can be used to determine the evacuation route. But this path is still static, if the route damaged in then the evacuation route would become useless. The time for the evacuation process can also increase if the condition of the evacuation route is not known whether damaged or not. The solution to solve this problem is to make a system that can help find the safest and shortest evacuation routes during emergencies. This system consist of microcontroller Arduino Mega to control the system and led for evacuation sign. The evacuation routes is determined by implementing dijkstra algorithm with priority queue to search the shortest path.
Sistem Penilai Kelayakan Bangunan Bertingkat sebagai Shelter Tsunami Berdasarkan Metode Cross-Correlation Template Matching dan Fuzzy Logic Menggunakan MQTT Ichwana, Dody; Setianto, Stevanus; Ekariani, Shelvi
Jurnal Nasional Teknologi dan Sistem Informasi Vol 8 No 3 (2022): Desember 2022
Publisher : Departemen Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v8i3.2022.136-143

Abstract

Indonesia terletak di daerah rawan bencana, khususnya gempa bumi. Salah satu daerah rawan gempa dan tsunami adalah Kota Padang. Oleh sebab itu diperlukan upaya untuk memudahkan masyarakat melakukan pencarian lokasi shelter evakuasi jika terjadi gempa besar yang diiringi bahaya tsunami. Paper ini menejelaskan sistem penilai kelayakan bangunan bertingkat sebagai shelter tsunami (SPEAKS). Keunggulan dari SPEAKS adalah mampu memberikan penilaian kondisi bangunan tinggi untuk dijadikan lokasi shelter evakuasi sesaat setelah terjadinya gempa bumi. SPEAKS melakukan perbandingan gambar bangunan sebelum dan sesaat setelah terjadinya gempa menggunakan cross-correlation template matching yang dilanjutkan dengan penilaian kelayakan sebagai shelter evakuasi dengan logika fuzzy. SPEAKS merupakan distributed-sensor-node terdiri dari end-node dan broker yang diletakkan pada lokasi bangunan tinggi. Server sistem digunakan untuk menyimpan data hasil analisa kondisi bangunan oleh end-node menggunakan protocol mqtt. Pengujian fungsional SPEAKS dilakukan dengan lima skenario uji. Hasil pengujian menunjukkan SPEAKS mampu melakukan penilaian kondisi bangunan dalam 135 detik setelah asumsi gempa terjadi.
Perancangan dan Implementasi Pendeteksi Kekeruhan Air Menggunakan Mikrokontroler Berbasis Nilai Nephelometric Turbidity Unit Ichwana, Dody; Rianda, Yosa; Ekariani, Shelvi
Jurnal Nasional Teknologi dan Sistem Informasi Vol 10 No 1 (2024): April 2024
Publisher : Departemen Sistem Informasi, Fakultas Teknologi Informasi, Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/TEKNOSI.v10i1.2024.9-16

Abstract

Penelitian ini bertujuan untuk merancang dan mengembangkan sebuah detektor kekeruhan air guna membantu pelanggan perusahaan penyedia air PDAM/PAM menjaga kualitas air yang digunakan untuk kebutuhan sehari-hari. Tujuannya adalah mencegah pencampuran air bersih yang telah disimpan dengan air keruh saat keran dibuka. Dalam penelitian ini, kami menggunakan smartphone sebagai perangkat pengendali jarak jauh yang memungkinkan pengguna untuk memantau kondisi air dari jarak jauh. Hasil penelitian menunjukkan bahwa sistem ini efektif mengendalikan proses pemisahan air berdasarkan kondisi air, serta memberikan kontrol manual oleh pengguna melalui komunikasi Bluetooth dalam jarak maksimal 10 meter. Sistem ini menawarkan dua tindakan kontrol, yaitu membuka dan menutup saluran air melalui katup solenoid. Dari hasil pengujian, kami dapat mengamati bahwa sistem ini berhasil memisahkan air sesuai dengan kondisinya dan merespons perintah pengguna dengan cepat.
Two-Wheeled Vehicle Access Control System Using QR Code Based on Optical Character Recognition Johanna, Muhammad Hadrian; Putra, Dody Ichwana
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.6.02.160-166.2025

Abstract

The increasing number of motorcycles owned by students at Universitas Andalas has led to inefficiencies in the manual parking card system, including frequent card loss and reduced operational effectiveness. To address this issue, a motorcycle access control system is designed using QR codes integrated with Optical Character Recognition (OCR). The system utilizes a Raspberry Pi 4 Model B, Logitech C270 HD webcam, and a barcode scanner to capture motorcycle license plate images, process them with Convolutional Neural Network (CNN) and Tesseract OCR to extract plate text, and generate a unique QR code for each vehicle. The QR code is used for both entry and exit validation, replacing the need for manual parking cards. Data is stored and managed in a MySQL database, enabling quick retrieval and verification. System testing showed high accuracy in license plate detection and QR validation, ensuring security, efficiency, and ease of use while reducing operational costs. This solution offers a scalable approach for campus, residential, and office access control systems.
Co-Authors Ade Putera Kemala Eka Putra, Dian EKARIANI, SHELVI Ekariani, Shelvi Hadi Candra Husna, Tisnainil Indah Purnama Johanna, Muhammad Hadrian Kasoep, Werman Kemala, Ade Putera Lathifah Arief, Lathifah Ratna Aisuwarya Rianda, Yosa Setianto, Stevanus Stevanus Setianto Styviandra Ardopa Surya Dwi Saputra Tisnainil Husna Wanda Syahputra Werman Kasoep Yosa Rianda