uzair, M., Salah Yacoub Al-Kafrawi, Karam Manaf Al-Janadi and Ibrahim Abdulrahman Al-Bulushi 2022. A Low-Cost IoT Based Buildings Management System (BMS) Using Arduino Mega 2560 And Raspberry Pi 4 For Smart Monitoring and Automation. International Journal of Electrical and Computer Engineering Systems. 13, 3 (Apr. 2022), 219-236. DOI:https://doi.org/10.32985/ijeces.13.3.7.