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All Journal Jurnal Jurusan Pendidikan Teknik Elektro
I Komang Gede Sukawijana
Univeristas Pendidikan Ganesha
Education Electrical & Electronics Engineering

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Simulasi Sistem Monitoring dan Pengendalian Beban Berbasis Arduino Dengan Sensor ACS712 di Proteus Arfian Rusdi; Nyoman Santiyadnya; I Komang Gede Sukawijana
Jurnal Pendidikan Teknik Elektro Undiksha Vol. 15 No. 1 (2026): JPTE Periode April 2026
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpte.v15i1.115087

Abstract

This research proposes a simulation-based embedded system for real-time current monitoring and automatic priority load shedding using Arduino Uno and ACS712 current sensor on Proteus software. The system addresses electrical overload issues in household installations by implementing a three-level threshold algorithm: warning (2A), low-priority shedding (2,5A), and medium-priority shedding (3,5A). Hardware components include Arduino Uno (ATmega328P), ACS712-5A (185 mV/A sensitivity), three 5V relay modules, and 20x4 LCD display. The ACS712 analog output connects to Arduino A0 pin, while relays connect to digital pins D2-D4 for priority control. The methodology follows Research and Development (R&D) approach with planning, production, and evaluation phases. Production involves C++ programming on Arduino IDE with current conversion formula: I = ((analogValue × 5.0 / 1024) - 2.5) / 0.185. Proteus simulation validates system performance through controlled current variation tests, measuring sensor accuracy (±1.5%), relay response time (<200 ms), and load shedding success rate (100%). Results demonstrate the system's effectiveness in preventing overload with 95% monitoring stability. This simulation framework contributes to smart energy management development, reducing hardware prototyping risks by 70% and providing educational prototyping platform for embedded systems (Sugiyono, 2023; Labcenter Electronics, 2023).  
PEMANFAATAN VIRTUAL LAB PENDETEKSI GERAK BERBASIS ESP32 DAN MICROPYTHON PADA MATA KULIAH SISTEM OTOMASI Kadek Mei Pramana; Nyoman Santiyadnya; I Komang Gede Sukawijana
Jurnal Pendidikan Teknik Elektro Undiksha Vol. 15 No. 1 (2026): JPTE Periode April 2026
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpte.v15i1.116869

Abstract

The implementation of microcontroller practicum learning in Automation Systems courses often faces challenges in the form of limited hardware quantities in the laboratory, high component procurement costs, and the risk of equipment damage due to wiring errors by students. This study aims to develop and test the effectiveness of a virtual laboratory for an ESP32 and MicroPython-based motion detection system by utilizing the Wokwi simulation platform as an alternative interactive learning medium. The research method applied is Research and Development (R&D) with a three-stage model, including planning, production, and evaluation. Functional testing of the circuit is carried out using the black-box testing method, while the level of media effectiveness is measured through a trial implementation in the classroom using a student response questionnaire. The results of the functional testing indicate that the motion detection system is able to read changes in conditions in real-time with a stable response through HIGH and LOW logic transitions. Furthermore, the results of the student response questionnaire analysis show an average percentage of effectiveness of 88.75%, which places this virtual laboratory in the Very Effective category. This media has proven to be very superior in facilitating time efficiency and experimental safety (95%) as well as increasing learning independence (90%), so it is suitable for application as an efficient and economical interactive practical tool.
Co-Authors Arfian Rusdi Kadek Mei Pramana Nyoman Santiyadnya