Gopi Krishna P, Sreenivasa Ravi K, Hari Kishore K, KrishnaVeni K, N. Siva Rao K, D. Prasad R. Design and development of bi-directional IoT gateway using ZigBee and Wi-Fi technologies with MQTT protocol. IJET [Internet]. 2018 Mar. 19 [cited 2024 Nov. 24];7(2.8):125-9. Available from: https://sciencepubco.com/index.php/ijet/article/view/10344