Mulyadi, Endri, Asrizal Asrizal, Harman Amir, and Mona Berlian Sari. “Design and Construction of a Mathematical Pendulum Harmonic Motion Experiment System Using Arduino Based E18-D80Nk Proximity Sensor”. Journal of Experimental and Applied Physics 2, no. 3 (October 31, 2024). Accessed November 21, 2024. https://jeap.ppj.unp.ac.id/index.php/jeap/article/view/68.