ERIYALDI, Eriyaldi; WILDIAN, Wildian. Rancang Bangun Sistem Telemetri Pengukur Konsentrasi Gas Amonia Menggunakan Sensor MQ-137 dan Transceiver nRF24L01+. Jurnal Fisika Unand, [S. l.], v. 6, n. 3, p. 247–254, 2017. DOI: 10.25077/jfu.6.3.247-254.2017. Disponível em: https://jfu.fmipa.unand.ac.id/index.php/jfu/article/view/298. Acesso em: 7 nov. 2026.