SOLAR TRACKING SYSTEM DENGAN ARDUINO NANO DAN SENSOR LDR: PANEL SURYA BERGERAK MENGIKUTI ARAH CAHAYA

Azwa Fazilatunnisa; Mochamad Yogi Febriansyah; Firdaus; Ahmad Fauzul Mubin; Daffa Wahid Sya'bani; Dony Hutabarat

doi:10.47111/jti.v19i2.21746

Authors

Azwa Fazilatunnisa UIN Sultan Maulana Hasanuddin Banten
Mochamad Yogi Febriansyah UIN Sultan Maulana Hasanuddin Banten
Firdaus UIN Sultan Maulana Hasanuddin Banten
Ahmad Fauzul Mubin UIN Sultan Maulana Hasanuddin Banten
Daffa Wahid Sya'bani UIN Sultan Maulana Hasanuddin Banten
Dony Hutabarat UIN Sultan Maulana Hasanuddin Banten

DOI:

https://doi.org/10.47111/jti.v19i2.21746

Abstract

This study discusses the design of a single-axis light tracking system based on an Arduino Nano microcontroller. The system is designed to automatically direct solar panels to follow the direction of incoming light using two LDR sensors and one servo motor. The LDRs detect light intensity on the left and right sides, while the Arduino controls the comparison logic to move the servo according to the direction of the dominant light. Functional testing was conducted indoors using artificial light. Observation results indicate that the system responds well to light direction. The servo's movement aligns with changes in light intensity, though there is a response delay of approximately 1–2 seconds. The system also demonstrates stability when light intensity is balanced, indicating that the control logic operates effectively. The system's limitations lie in its horizontal movement range and the fact that it has not been tested outdoors. Nevertheless, this prototype can serve as a foundation for developing a two-axis tracking system or integrating it with the Internet of Things (IoT) for further applications.

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