Yunus, M. H., Nawawi, S. W. ., & Hashim, M. A. . (2021). Multiple Detections Application for Indoor Tracking Using PIR Sensor and Kalman Filter. ELEKTRIKA- Journal of Electrical Engineering, 20(2-3), 7–12. Retrieved from https://elektrika.utm.my/index.php/ELEKTRIKA_Journal/article/view/319