Hello, I request your help with this project that I have, I want to put a rfid reader to cover an area of 0.5 m2 and when it detects the tag, trigger an alarm, but I'm not sure a RC522 can cover the area, know a way amplify your signal or another reader and designing the antenna? I want to do with a frequency of 13.56 MHz.
Any suggestions?
The project idea is that my cat does not enter certain areas, and if it does frighten with an alarm.