Prototype Pintu Otomatis Di PT. Kaltim Nitrate Indonesia Menggunakan Sensor PIR Berbasis Arduino Uno di Masa Pandemi Covid-19 . Journal of Power Electric and Renewable Energy, [S. l.], v. 1, n. 1, p. 7–11, 2023. DOI: 10.59811/jper.v1i1.52. Disponível em: https://jurnal.stitek.ac.id/index.php/JPER/article/view/52. Acesso em: 4 may. 2026.