A LOW-COST COMPACT ELECTRICAL ENERGY SAVING SYSTEM INTEGRATED WITH PIR MOTION DETECTOR. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 7, n. 4, p. 389–393, 2023. DOI: 10.33003/fjs-2023-0704-1962. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1962. Acesso em: 11 sep. 2025.