N. Zahira Jahan and S. Dhivakar (2019) “IOT based Home Security System using PIR Sensor, GSM and Camera with Message Alert ”, International journal of intellectual advancements and research in engineering computations, 7(1), pp. 854–861. Available at: https://ijiarec.com/ijiarec/article/view/1016 (Accessed: 28April2024).