Arduino Uno-Based Early Fire Detection System Using MQ-2 Flame Sensor and Gas Sensor. JURNAL TEKNISI, [S. l.], v. 6, n. 1, p. 51–56, 2026. DOI: 10.54314/j6nv4n97. Disponível em: https://jurnal.goretanpena.com/index.php/teknisi/article/view/5972.. Acesso em: 4 may. 2026.