Using multiple RFID cards with one RFID sensor

Question:

What I need is RFID sensor that can read 2 different ID badge cards to open a lock. Can I get a sensor like this with two cards? Any ideas?

Our solution:

Our RFID sensors can remember up to 3 different RFID items at the same time. We provide 3 such items with every sensor (one card, one tag, and one sticker) but you can buy an additional card if you need, and then just pair it with the sensor.

If you want a ready-to-play puzzle (RFID sensor + puzzle controller + electromagnet), please take a look at our Basic RFID kit which has everything you need to create a working puzzle!

Electronics used:

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