N. ZAHIRA JAHAN; S. DHIVAKAR. IOT based Home Security System using PIR Sensor, GSM and Camera with Message Alert . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 7, n. 1, p. 854–861, 2019. DOI: 10.61096/ijiarec.v7.iss1.2019.854-861. Disponível em: https://ijiarec.com/ijiarec/article/view/1016. Acesso em: 5 sep. 2026.