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All Journal Eksergi: Jurnal Teknik Energi
Marsellinus David Praskadana
Semarang State University
Chemical Engineering, Chemistry & Bioengineering Electrical & Electronics Engineering Energy Engineering Mechanical Engineering

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Dual Axis Solar Tracker with Arduino-Based Voltage Monitoring Fatih Zharfa Athara; Faiz Athalla Putra; Marsellinus David Praskadana; Arief Arfriandi
Eksergi Vol. 22 No. 02 (2026): MAY 2026
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/eksergi.v22i02.7559

Abstract

This research develops an Arduino-based dual-axis solar tracker system with real-time current and voltage monitoring. The system uses an LDR sensor to detect light direction and a servo motor to adjust the panel orientation on two axes, so that the radiation reception angle remains optimal. Electrical parameters are measured using an INA219 sensor and displayed through a display media. The research method includes design, implementation, and testing by comparing the performance of static panels and the tracking system. The results show that the solar tracker system increases the output voltage compared to static panels. The calculation produces a fill factor of 0.79 and an efficiency of 15.31%, indicating improved energy absorption performance. The developed system is effective in optimizing solar panel output and provides monitoring data for performance evaluation.
Co-Authors Arfriandi, Arief Faiz Athalla Putra Fatih Zharfa Athara