Rancangan Bangun Sistem Pendeteksi Kebocoran Gas LPG Menggunakan Nodemcu ESP866 Berbasis Internet: teknik elektro. Science and Physics Education Journal (SPEJ, [S. l.], v. 6, n. 1, p. 33–41, 2022. DOI: 10.31539/spej.v6i1.4394. Disponível em: https://journal.ipm2kpe.or.id/index.php/SPEJ/article/view/4394. Acesso em: 1 feb. 2026.