As of my last knowledge update in January 2022, there were various RFID technology-based reminder systems for smart homes.
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It’s important to note that the landscape of smart home technologies, including RFID-based systems, evolves rapidly, and new developments may have occurred since my last update.1
References
1Sami SMP, Lasya A, Shravika A, Mouna Sri A. RFID technology-based reminder system for smart home. DogoRangsang Research Journal. 2024;14(1). https://ir.mallareddyecw.com/id/eprint/740/1/RFID%20TECHNOLOGY-BASED%20REMINDER%20SYSTEM%20FOR%20SMART%20HOME.pdf