VOLT : Jurnal Ilmiah Pendidikan Teknik Elektro
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82 research outputs found
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Developing a 6-kilowatt-peak off-grid solar power station (PLTS) at the Az-Zawiyah Foundation in Tanjung Batu, Ogan Ilir, South Sumatra
Full text linkThe main problem encountered by the Az-Zawiyah Foundation in Tanjung Batu, Ogan Ilir, South Sumatra is the restricted availability of energy, impeding the foundation's day-to-day operations and educational endeavors. Off-Grid Solar Power Station are installed as a self-sufficient electricity source, eliminating the need for reliance on the PLN power grid. This alternative method helps save costs and supports teaching and learning activities at the foundation. The planning for the building of the Off-Grid Solar Power Station will utilize a capacity of 6 kilowatts peak (kWp). The research technique employed encompasses site assessments, energy demand analysis, and technical and economic calculations in the strategic development of Off-Grid Solar Power Plants. Data was obtained via firsthand observation, interviews with foundation administrators, and measurements of environmental conditions, such as the intensity of sunlight. Technical calculations encompass the estimation of daily energy production, the design of solar PV systems, the selection of crucial components such as solar panels, inverters, and batteries, as well as cost analysis. The calculation results demonstrate that the system has the capacity to produce sufficient energy to meet the electricity requirements of the foundation. Additionally, it has the potential to achieve long-term cost savings and make a beneficial environmental impact by reducing carbon emissions. This planning model is anticipated to be created and serve as a benchmark for foundations or similar institutions in distant regions, with the aim of enhancing energy accessibility and promoting sustainable development for local residents
Design and development of child monitoring track bag using arduino
Full text linkThis research aims to design and develop a smart bag system for monitoring children using GPS modules, SIM800L modules, and Arduino as hardware components. The main benefit of this system is its capacity to be immediately and instantly monitored through the website, enabling parents to oversee their children effectively. The study employed an experimental method that utilized a literature approach to build the hardware features and websites of a GPS tracker-based track bag monitoring container. After conducting 10 functioning tests, the gadget performed effectively. Tests are conducted both indoors and outdoors, and the findings can accurately determine the position and display the coordinates. The tool demonstrates good accuracy at a range of 8 meters during indoor testing, while outside testing reveals its maximum accuracy at a distance of 21 meters. The utilization of trackers is effectively accomplished through bags, however, this approach may not be appropriate for those with specific requirements and the elderly.
Optimization of capacitor bank placement on 70 kV interconnection of Timor System
No full textElectric power system voltage quality standards need to be maintained within the limits of applicable quality standards (-10% and +5%). Timor's electricity system in the working area of PT. PLN (Persero) UIW East Nusa Tenggara (NTT) experienced a voltage drop on the 70 kV transmission line, this was caused by the length of the line and the load and the plant was only concentrated on the West side (Kupang). Installing capacitors with the right location and value can increase the power factor as well as increase the system voltage. The Digsilent Powerfactory application-based loadflow analysis method is used to determine the selection of the most optimal location for capacitor placement with the lowest voltage drop indicator. To get the optimum value for the capacitor installation option at one Substation (GI), the lowest voltage drop of 1.66 kV at GI Atambua was obtained. As for the option of laying capacitors in two GIs simultaneously, the lowest voltage drop result of 1.55 kV was obtained by installing capacitors at GI Atambua & Nonohonis
Implementation of algorithm C4-5 on the number of children acquiring birth certificates in Office of Population and Civil Registry Palembang City
No full textThe aim of this study is to utilize the C4.5 algorithm in data mining to classify child certificates that are registered and unregistered. Additionally, decision trees will be employed to determine the gain associated with each attribute. The implementation of the C4.5 algorithm will be facilitated by the utilization of RapidMiner 9.5 software. The initial step in the research process is gathering aggregate data pertaining to the recipients of deeds in Office of Population and Civil Registry Palembang City throughout the time frame of 2021 to 2023. Subsequently, the data is subjected to analysis with the use of Microsoft Excel and RapidMiner 9.5 in order to ascertain the entropy value, gain value, and decision tree. The findings indicated that a total of 1,606 individuals were identified as True Positive (TP), representing Palembang City residents who had successfully registered at Office of Population and Civil Registry Palembang City. Additionally, there were 397 records classified as False Negative (FN), indicating the number of individuals who have yet to register themselves on the birth certificate of Office of Population and Civil Registry Palembang City
Implementation of LoRa SX1278 protocol with tree topology in air quality monitoring system
No full textThis research aims to implement the LoRa (Long Range) protocol with the SX1278 transceiver module and use tree topology to build an effective air quality monitoring system and save energy. To detect CO levels, the MQ7 sensor is used, and the MQ135 sensor is used to detect CO2 levels. It can be concluded that the results of RSSI measurements and delay if the longer the distance tested, the RSSI value will be smaller (weaker) and the delay longer. SNR measurement results depend on the conditions of the test site, that the more noise, the smaller (worse) SNR value will be obtained. For CO and CO2 values, a reading is obtained on the sensor that a calibration process is needed in the program so that the sensor reading value is more accurate
Implementation of monitoring system in Long Range and Blynk-based oyster mushroom production houses
No full textThe goal of this research is to monitor the humidity and temperature conditions in the production facilities of oyster mushrooms using the Long Range data transmission and the Node MCU Esp32 microcontroller. The research utilizes a Long Range transmitter and receiver, which are placed at varying distances respectively, to determine the delay that the receiver receives. Based on the delay tests conducted at various distances, such as 200m, 400m, 600m, 800m, and 1km, this technology can provide a range of up to 600m
Design a wristband based on Internet of Things for blind people
Full text linkThis research aims to design a tool for blind people and facilitate activities for blind people in the form of wristbands based on the Internet of Things (IoT). This research uses experimental methods from quantitative methodology with a Pre-Experimental design. This tool will help provide information to the wristband user to avoid obstacles. This tool will help provide information to the wristband user to avoid obstacles. This wristband is designed using the ultrasonic sensor HC-SRF05 which will be processed in the NodeMCU ESP8266 microcontroller as input, with a buzzer as output. This wristband is equipped with GPS for monitoring the whereabouts of wristband users. This tool can detect objects in front with a radius of approximately 100 cm to provide information to users to avoid obstacles
Design a cake scraper tool based on the Internet of Things for the home industry
Full text linkScraper cake tools based on the Internet of Things (IoT) are designed to improve efficiency and control in the cake production process. The use of IoT technology in scraper cake tools is projected to give further benefits in terms of operational data collecting, real-time analysis, and remote control. The MIT application, which can be accessed via an Android-based smartphone, is used to control the Scraper cake tool. This Cake Scraper tool uses a dc motor as a machine rotating drive, making the cake cream smoothing operation easier and more efficient. Users interact with the program by modifying the motor speed as well as the x and y axis sides. The results demonstrated that an IoT-based cake scraper equipment improves cake production efficiency by decreasing human error and increasing consistency in flattening cake cream. The implementation of IoT technology in scraper cake tools also improves the collection of operational data for advanced analysis, production planning, and preventive maintenance
Image classification of beef and pork using You Only Look Once (YOLO) method
No full textThe fraudulent act of mixing pork with beef often causes concern for consumers in Indonesia about the authenticity of the meat products purchased. This study used the YOLO algorithm to classify pork and beef images to address the problem. The method used in this study was first a dataset of pork and beef images collected and labeled with information about the type of meat. After passing through pre-processing, the YOLOv5 algorithm is trained and validated using the dataset. The evaluation results showed excellent performance with an average precision level of 97.9%, 100% recall, and 97.2% mAP50-95 on validation data. When tested, the algorithm was able to recognize and distinguish meat types with varying confidence levels, although some predictions had low confidence levels that required improved performance. The YOLO algorithm succeeded in obtaining an effective model in detecting and classifying objects on meat images, especially in the identification of beef and pork
A comparison of the three universal set top boxes and the DVB-T2 set top box assembly's signal reception quality
No full textIn order to improve the assembled set top box's signal reception sensitivity and compare the signal reception quality with set top boxes from the Sharp, D'Color, and HDTV brands, this study will design a set top box with an LNA on the receiver side. Using a Spectrum Analyzer tool to view the RSSI (Receive Signal Strength Indicator) value of each set top box as a signal reception quality parameter, data from each set top box used in four different locations in Palembang City—Kenten, Plaju, Kamboja, and Bukit—were collected for this study. The assembled set top box's RSSI value was higher than that of other set top boxes, which indicated that its signal reception quality was better to that of other set top boxes, according to the measurement results at four research locations. This indicates that the LNA applied to the built set top box device can improve the sensitivity of the reception quality of the signal received. In comparison to other areas, Kamboja has the best signal reception because it is nearest to the TV transmitter tower