Riaz, Kashir, and Muhammad Siddique. “Multi-Purpose Smart Energy Efficient Home Automation by Using GSM and NRF24L01 Network”. Pakistan Journal of Engineering and Technology 4, no. 1 (March 10, 2021): 32-37. Accessed May 17, 2024. https://www.hpej.net/journals/pakjet/article/view/677.