I need to read 13.56 MHz cards with a screen, a battery backup system and a Wi-Fi connection. The system would need to be able to read cards and post data into a local MYSQL database. Can you please help me?
There is not one single device you could buy that would incorporate a Raspberry PI 3 controller, a 13.56 MHz RFID reader and Wi-Fi technology. You could buy those components separately on the Internet and integrate them yourself to create what you need.
To find passive high-frequency (HF) readers that would work with a Raspberry Pi 3 controller, see this discussion on the Raspberry Pi Foundation’s website. There are also useful videos on the Internet that could help you put together the unit (see, for example, Tutorial—Using a Raspberry Pi With an RFID Reader RC522).
—Mark Roberti, Founder and Editor, RFID Journal
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