G. Tejaswai, Chiruvella Manasa, Avadhanam Sandhya Sri, Amari Sravani, Challagundla Thanusree, & Kandagaddla Lakshmi Akhila. (2024). Development of an IoT-Based QR Code Access Control and Payment System using Arduino and ESP8266. Journal of Science & Technology (JST), 9(6), 20–32. Retrieved from https://jst.org.in/index.php/pub/article/view/969