N. HEMALA; D.PRIYANKA; N.KANCHANADEVI; B.ARJANADEVI; L.DHARSHINI. Security system using PIR sensor, Arduino along with android application . International journal of intellectual advancements and research in engineering computations, [S. l.], v. 6, n. 2, p. 2207–2211, 2018. DOI: 10.61096/ijiarec.v6.iss2.2018.2207-2211. Disponível em: https://ijiarec.com/ijiarec/article/view/814. Acesso em: 23 apr. 2026.