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CIRCUIT: Jurnal Ilmiah Pendidikan Teknik Elektro
Published by Universitas Islam Negeri Ar-Raniry Banda Aceh
ISSN : 25493698     EISSN : 25493701     DOI : 10.22373
Core Subject : Education, Engineering,
Education Electrical & Electronics Engineering Other
Journal Circuit is an Electrical Engineering Education Scientific journal which published by the Electrical Engineering Education Department, Faculty of Teaching and Training, Ar-Raniry State Islamic University, Banda Aceh. The Circuit Journal publishes empirical and theoretical contributions in the electrical engineering education scientific from the students, lecturers, professors or other scientists. The Circuit Journal manuscripts provide an original fundamental research, related to electrical engineering, electrical engineering education, and vocational education. The Circuit Journal also embossing the interpretative reviews, and discussion of new development in electrical engineering education
Arjuna Subject : -
Articles 256 Documents
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The Digital Stethoscope with the Heart Rate Display: A Review and Its Implications for Learning Fuady, Khairul; Nanda, Nanda; Zulisa, Eva
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22096

Abstract

A stethoscope is an important medical tool for initial examination of a patient's heartbeat, including detection of arrhythmias (heart rhythm disturbances). This digital stethoscope equipment has input voltage specifications from a power supply of +6 Volt DC and +12 Volt DC, condenser mic as a stethoscope sensor, LED as a heart rate indicator, seven segments as a heartbeat display and timer, earphones as a tool for hearing sounds heartbeat and amplifier circuit. The research was carried out using system operations and supporting blocks to analyze the results of tool testing. The voltage measurements in the tool support block were obtained according to the plan, the start timer circuit voltage was 4.6 VDC (working), the NE555N IC output voltage was 5.8 VDC and the voltage at the transistor collector leg was measured when the condenser microphone received a sound signal. A digital stethoscope can display heartbeats for a duration of 15 seconds, so it still requires manual calculations to determine the heartbeat for 1 minute. Based on the test results, this Stethoscope will be an effective learning aid to improve students' medical skills
Power Deficit Analysis of Multiple Hydrokinetic Power Plants in an Open-Channel System Ikhsan, Muhammad; Zufrizal, Zufrizal; Taufik, Taufik
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22091

Abstract

The electricity generation capacity of hydrokinetic power plants can be enhanced by paralleling multiple plants simultaneously. This study focuses on the longitudinal configuration of multiple hydrokinetic turbines installed in a water channel. The energy production rate of downstream turbines is lower than that of upstream turbines when placed close to each other. This observed phenomenon, related to the wake effect, has resulted in reduced flow velocity. In this research, a power deficit technique is employed as an alternative to the velocity deficit strategy. By estimating the open flow characteristic, or k*, this method aims to predict the downstream power input at any given time. Without directly measuring water velocity, power can be predicted using the power deficit model. A hybrid model combining the Bastankhah Porté-Agel model and the Geometry-Based model has been utilized in this study. The analysis results indicate that the power deficit and velocity deficit values differ by an average of 1.3% and 0.15%, respectively.
Solar Panel Light Intensity and Voltage Measurement System Using Atmega328 Pane, Rangga Rio Pratama; Nengsih, Sri; Morsin, Marlia
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22501

Abstract

The need for new renewable energy sources is growing because of several problems, such as high electricity costs, frequent power outages, and dependency on fossil fuels. It's critical to come up with solutions to this problem, like using solar power. Nonetheless, to guarantee a steady supply of energy, solar panels must be well controlled. The primary goal of this study was to create a system that would use an ATmega328 microcontroller, a logger module, and an INA219 voltage sensor, along with a BH1750 light intensity sensor, to detect the voltage and intensity of light on solar panels in real time. The study technique includes the steps of system definition, design, and development using a 4D approach that has been streamlined into 3D. The system's ability to make precise measurements and store data in a readily accessible and processable manner was demonstrated by the test results. Real-time solar panel state monitoring is made possible by the system's primary ATmega328 microprocessor, and data storage in CSV format enables easy analysis. In summary, this system was success for tracking and improving energy efficiency
Real-Time Monitoring System and IOT Smart Parking Booking (Case study: One Hotel in Tangerang) Nadeak, Yogi Valentino; Ho, Patricia; Masriah, Masriah
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.18020

Abstract

Since cars and motorbikes are the most popular personal mobility, public spaces must always provide enough parking for every visitor. However, occasionally there are more parking spaces available than there are guests, which makes it difficult for visitors to find an empty spot and takes a while. It can be found in the case study conducted in a hotel in Tangerang. This case study informs the development of an Internet of Things (IoT) smart parking system that uses Wi-Fi and the MQTT communication protocol to monitor user behavior, identify available parking spaces, and recognize vehicle entry. The ESP8266 microcontroller serves as the sensor node. Other sensors that are used include the RFID RC-522 sensor to determine how long a car user has been in the area, the Servo SG92R infrared (IR) sensor to detect the presence of a vehicle, and the HC-SR04 ultrasonic sensor to detect parking spaces. The outcomes showed that the Thingsboard platform's monitoring capability and the ability to reserve particular parking spaces using an MIT App Inventor app proved the smart parking system's successful implementation.
Development of Bio Batteries Utilizing Coconut Dregs and Pineapple Extract as Alternative Energy Sources Toruan, Parmin Lumban; Wahyuni, Dita Putri; Rahmawati, Rahmawati; Atina, Atina
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.20933

Abstract

Coconut and pineapple dregs contain ions that can be effectively used as energy sources. This study aims to evaluate the electricity generated from varying compositions of coconut dregs and pineapple juice in bio-batteries. The bio-battery paste is created using different ratios of coconut dregs and pineapple juice, along with electrodes (aluminum and graphite). An experimental method was employed. The results indicated that the highest voltage of 0.54 V and a current of 0.71 mA were achieved with 40 ml of pineapple juice added to the coconut dregs, whereas the lowest voltage of 0.40 V and a current of 0.01 mA were observed without adding pineapple juice. For the pineapple juice concentration, the highest voltage of 0.51 V and a current of 0.91 mA were obtained with 10 grams of coconut dregs, while the lowest voltage of 0.44 V and a current of 0.31 mA occurred with 40 grams of coconut dregs. The concentration of coconut dregs and pineapple juice significantly affects the voltage produced, while the current is significantly influenced by the concentration of coconut dregs but not by the concentration of pineapple juice.
Increasing the Efficiency of Electrical Load Calculations Using the Gauss-Seidel Method with Fuzzy Logic Hendriansyah, Hendriansyah; Siswandari, Noertjahjani; Aris, Kiswanto; Muhammad, Sam'an
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.24729

Abstract

Improving the accuracy of electric load calculations is a significant task in power system analysis, particularly when dealing with fluctuating loads. Despite its simplicity, the Gauss-Seidel method has historically had trouble handling rapidly changing loads. This paper introduces a novel hybrid approach that increases load computation accuracy and efficiency by fusing fuzzy logic with the Gauss-Seidel method. Fuzzy logic is used in this method to forecast load changes based on previous and present data, which makes load adjustments more precise and faster. The results demonstrate how much better this hybrid technique is than the conventional ones, with accuracy rising from 60% to 84% and efficiency rising by 35%. This makes it an excellent choice for contemporary power systems
Iot-Based Cattle Pen Security System Prototype with Wemos Sasmoko, Dani; Veliyanti, Reni; Ra’ifa, Muhammad Naufal
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.23399

Abstract

Cattle theft in cow barns frequently occurs in Central Java, Indonesia, highlighting the need for a monitoring system to prevent such thefts. The system developed uses Wemos integrated with a PIR sensor, employing Internet of Things (IoT) methods to detect human movement within the cow barn. A magnetic sensor will be installed on the barn door to provide remote monitoring. The monitoring system activates a buzzer and sends theft data to the cow barn owner from different locations. Testing of this monitoring system was successful, as evidenced by the PIR and magnetic sensors detecting breaches by triggering the buzzer. However, test results indicated that sending data to smartphones requires an internet connection within the barn. Compared to a CCTV system, this setup can deter theft by emitting a loud sound from the buzzer, but it lacks video and photo recording capabilities since it does not include a camera. Based on the design and testing results, it can be concluded that this cattle theft monitoring system has effectively detected suspicious movements in the barn
The Think Pair Share Learning Model's Active Learning Process in Basic Electrical Subjects at SMKN 1 Lhoknga, Aceh Azmi, Faisal; Fathiah, Fathiah; Fachri, Muhammad Rizal
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22089

Abstract

Vocational high school curriculum aimed to prepare pupils for careers in specific industries. Student learning results are significantly impacted by the vocational school learning process. Students' comprehension at SMKN 1 Lhoknga is still deficient since the learning model used is not as effective in maximizing the growth of students' understanding. Applying the Think Pair Share learning paradigm, which is in line with the learner-centered curriculum, is one option to solve this issue. This study employs a quantitative methodology and involved 27 pupils in class X TITL SMKN 1 Lhoknga. Questionnaires and observation sheets are the tools employed. The findings demonstrated that, according to the Think Pair Share learning model, students' average level of activity was 79, with a trend of 79 > 73.3, placing them in the very high category. The percentage of students who responded is 77.04%. it can be concluded that the utilization of the Think Pair Share approach can raise students' engagement with basic electrical materials, according to the study's findings. 
Analysis And Mitigation of Harmonics Transformer Distribution at PT. PLN Syiah Kuala Faisal, Faisal; Lubisa, Ichsan Muhadis; Inayati, Ghina; Tarmizi, Tarmizi
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.19662

Abstract

Customers receive their electricity from distribution transformers; a disturbance will interfere with this process. High harmonics are typically the source of issues in distribution transformers. The distribution transformer at PT. PLN (Persero) ULP Syiahkuala has two issues: the neutral cable breaking and the main or secondary winding burning. Analyzing harmonics in distribution transformers at PT PLN (Persero) ULP Syiahkuala is the goal of this study. The goal of this study is to measure, examine, and assess the transformers at Syiahkuala ULP in order to select the best mitigation. One transformer's harmonic values were determined by the measurement findings to be out of compliance with requirements, necessitating the use of a variety of passive filters to reduce themThe results of THDi reduction using a passive filter are the values obtained for each phase R, S, and T. These values are in accordance with the established standards. From the results of harmonic mitigation using a passive filter, the results obtained in accordance with the THDv and THDi standards based on IEEE 159-2014 are 8% and 10%, respectively.
Analysis of the Best Neural Network Configuration for Predicting Household Customer Kwh Sales in Banda Aceh City Bachtiar, Bachtiar; Tarmizi, Tarmizi; Adriman, Ramzi
Circuit: Jurnal Ilmiah Pendidikan Teknik Elektro Vol 8, No 2 (2024)
Publisher : PTE FTK UIN Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/crc.v8i2.22017

Abstract

Energy consumption (kWh) is critical to the operation of electrical systems. Predictive modeling optimizes energy usage, increasing power system efficiency. This study created an artificial neural network (ANN) architecture to estimate energy consumption (kWh) for home users in Banda Aceh. The ANN topology consisted of 5 input layers, 5-25 hidden layers, and one output layer. This study used two scenarios: first, the ANN topology was trained using the logsig activation function, and then the tansig activation function was used for training. Based on training simulations, the ANN architecture with 5 input layers, 5 hidden layers, and 1 output layer has the lowest Mean Squared Error (MSE) of 0.00035. The next phase involved testing this ANN topology. The next stage is to analyze the ANN architecture with 5 input layers, 5 hidden layers, and 1 output layer using the testing technique. Based on the testing technique, the ANN architecture with 5 input layers, 5 hidden layers, and 1 output layer had a MAPE value of 3.34%.

Page 20 of 26 | Total Record : 256

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