As of my last knowledge update in January 2022, there were several existing solutions for low-energy Bluetooth and RFID devices designed for various applications, including inventory tracking [15]. Please note that the landscape of technology evolves rapidly, and new solutions may have emerged since then. Here are some examples of existing solutions up to my last update.1
References
1Francis JS. The Impact of Graph Colouring and Map Colouring Approach in Preventing Cheating at Higher Learning Institution: A Case of Institute of Accountancy Arusha. Asian Journal of Multidisciplinary Research & Review. 2024;5(1):57-68. doi:10.55662/AJMRR.2024.5101