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All Journal Jurnal Elementer (Elektro dan Mesin Terapan) Scientific Journal of Informatics

Cyntia Widiasari

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Author-ID : 3806267

Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Engineering Mechanical Engineering

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Articles

Teknik Resonant Coupling Untuk Penambahan Jarak Pada Wireless Charging Noptin Harpawi; Tara Hidayat; Cyntia Widiasari
Jurnal Elektro dan Mesin Terapan Vol. 4 No. 1 (2018): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Pengisian baterai secara wireless tentu akan memberikan kontribusi yang baik dalam rumah tangga maupun tempat kerja. Dalam proses untuk mengimplementasikan dari wireless charging mempunyai kendala yaitu jarak transmisi yang pendek.. Dalam Penelitian ini peneliti mengusulkan dengan menambah ukuran diameter coil, menambah jumlah lilitan, pemilihan diameter kawat terbaik, dan menggunakan teknik kopling resonansi untuk meningkatkan jarak dan efisiensi. Berdasarkan dari hasil penelitian yang telah diperoleh, dengan menggunakan teknik kopling resonansi dapat meningkatkan jarak transmisi sejauh 9 cm dengan LED sebagai indikator beban dan pada jarak 1cm dengan beban 2 KOhm didapatkan efiesiensi sebesar 6%. Kata kunci:Wireless Charging, Kopling Resonansi, Efisiensi

Rancang Bangun Drone Quadcopter Tanpa Awak Penyiram Pupuk Tanaman Cyntia Widiasari; Raja S. Agustinus Dulan Este
Jurnal Elektro dan Mesin Terapan Vol. 6 No. 2 (2020): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Currently, the fertilization process is carried out by farmers is still classified as manual. This method forces directly contact with fertilizers, which are chemicals. Continuoulys contact can cause itching or irritation of the skin and can even cause an infection of the skin. Advances in technology have enabled humans to create quadcopters that can help the fertilization process. The quadcopter designed in this research is equipped with a motor pump that will activate the fertilizer sprinkling system. Arduino and LDR sensors function to make the quadcopter automatically spray fertilizer according to the predetermined Waypoint. The information received by the fs-ia6b receiver module will be processed by AMP Pro which will later control the quadcopter system. ESC (Electronic Speed Controller) as motor speed control as well as supporting devices and devices such as a compass as directions and Mission Planner software to support automatic flying to the destination. The test results showed that the position error of spraying the appropriate fertilizer at a predetermined point turned out to have a shift in position. The point shift is 0.2 - 0.5 meters. The quadcopter can lift loads stably from 300-600 ml, with a battery capacity of 5500 mAH and a voltage of 22.2V. The quadcopter can fly without additional load for 10-15 minutes. When the 600 ml is added, the quadcopter can fly for about 7-8 minutes. Keywords: Fertilization, Quadcopter, AMP Pro, Waypoint, Mission Planner.

Sistem Pengontrolan dan Monitoring Budidaya Sarang Burung Walet Berbasis Android Cyntia Widiasari; Ryan Pratama; Wiwin Styorini
Jurnal Elektro dan Mesin Terapan Vol. 7 No. 2 (2021): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

In the cultivation of swallow nests, swallow breeders experience problems, especially in maintaining the temperature and humidity of the room in the wallet bird house. Swallow breeders must be able to maintain a stable temperature and humidity and maintain the safety of the swallow from owl pests. When the temperature is hot, the swallow room will become dry so that the nest becomes damaged and the swallow feels uncomfortable living in the nest. Based on this, a control and monitoring system for swallow nest cultivation based on Android was created. This system can help reduce the temperature and humidity in the swallow nest room using a dew machine that works automatically and the swallow room door can open/close automatically using an application on a smartphone. This system can work well if given a supply voltage of AC220V and DC12V. The dew machine will work (ON) if the temperature is above 29°C or the humidity is less than 70%. The sensor read data will be sent by the NodeMCU to the blynk server and displayed on the smartphone. The swallow room door can be opened or closed based on the light intensity value measured on the LDR sensor which is then sent to the NodeMCU to drive the motor driver and stepper motor. With this system, farmers are expected to be able to monitor and control the condition of swallow’s nests using the blynk application on smartphones in real time. Key words: Swallow's nest, temperature, humidity, swallow room door, dew machine, blynk application

Rancang Bangun Alat Voltage Loss Detector Pada Transformator Percabangan Edy Saputra; Muhammad Diono; Wiwin Styorini; Cyntia Widiasari
Jurnal Elektro dan Mesin Terapan Vol. 8 No. 1 (2022): Jurnal Elektro dan Mesin Terapan (ELEMENTER)
Publisher : Politeknik Caltex Riau

Branching transformers are transformers located at the branching of the Medium Voltage (TM) network. The output from this transformer will be forwarded to the homes of the public/PLN customers. The loss of voltage in the branching transformer due to a disturbance in the electricity network cannot be known by PLN officers before receiving a report from the public, so the duration of the blackout is very long. This is certainly very detrimental to the community and PLN. Voltage Loss Detector is designed to detect loss/ready voltage on branching transformers. This tool uses a ZMPT101B voltage sensor to detect voltage, an Arduino uno microcontroller and a GSM SIM800L module to send messages. After testing, this tool successfully sends a message when the voltage is ready/loss. The voltage values read by the ZMPT101B sensor on the R, S and T phases are 223.36 volts, 222.02 volts and 220.18 volts, while the voltage using a multimeter measuring instrument is 223 volts, 222 volts and 220 volts. The highest time Delay in receiving messages in the room is 20 seconds. The highest time Delay in receiving messages outdoors is 15 seconds. The signal quality of the GSM SIM800L module will affect the Delay in receiving messages. With this tool, power outages in branching transformers will be immediately noticed by PLN officers for follow-up.

Sensor Integration and ARIMA-Based Forecasting in WAQMS for Environmental Monitoring in Riau Province, Indonesia Warnia Nengsih; Cyntia Widiasari; Putri Madhona; Helmi Chazali Lubis; Indra Agus Lukman; T.Marlina Cahyani; Elnovrian Purnama Saghita; Muhammad Saputra; Felix Gary; Eki Haiyal'ulya; Irwan Chandra; Aulia Gusri Pratama; Eka Ariefyanto Putra; Rama Yoedha Satria; Shinta Utiya Syah
Scientific Journal of Informatics Vol. 12 No. 3: August 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/sji.v12i3.24742

Purpose: This study aims to develop an integrated solution for real-time environmental monitoring in Riau Province, Indonesia, where air and water quality are increasingly impacted by industrial, agricultural, and climatic factors. Existing monitoring systems are often limited by their lack of real-time capabilities and predictive analytics. Methods: To address this, we designed the Water and Air Quality Monitoring System (WAQMS), which integrates sensor-based data acquisition with the Autoregressive Integrated Moving Average (ARIMA) model for forecasting. Sensor units were deployed across three pilot locations—Kampar, Siak, and Pekanbaru—to continuously collect environmental data. The ARIMA model was applied to historical datasets to predict future trends in air and water quality, while a web-based dashboard was developed to visualize real-time data and forecasts. Result: Calibration results showed a system accuracy of 85%, surpassing the national threshold of 75% set by the Indonesian Ministry of Environment and Forestry. This validates the use of WAQMS for Air Pollution Standard Index (ISPU) classification. Novelty: The novelty of this study lies in the seamless integration of AQMS and WQMS within a unified predictive monitoring system, combined with a user-friendly interface for stakeholders. The results demonstrate the system's potential as a decision-support tool for local governments, offering timely insights and enabling more effective and sustainable environmental management.

Co-Authors Aulia Gusri Pratama Edy Saputra Eka Ariefyanto Putra Eki Haiyal'ulya Elnovrian Purnama Saghita Felix Gary Helmi Chazali Lubis Indra Agus Lukman Irwan Chandra Muhammad Diono Muhammad Saputra Noptin Harpawi Putri Madhona Raja S. Agustinus Dulan Este Rama Yoedha Satria Ryan Pratama Shinta Utiya Syah T.Marlina Cahyani Tara Hidayat Warnia Nengsih Wiwin Styorini

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