ARM Based Electronic Notice Board through Zigbee with Room Lights Control using PIR Sensor. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 2, p. 753–756, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/607. Acesso em: 13 apr. 2026.