With which card to charge… That’s the question.

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How does an access control system in a charging station work?

When presenting a charging card to a charging station, the control system performs two operations: authentication of the tag (the Hidden ID) and determination if it has sufficient credentials to open a specific lock (a.k.a. the white list lock in a charging station).

The key (NFC tag) and lock mechanism (White List)  for a charging station work just like any other. For example, you may have a card with an NFC tag to enter the gates at your gym and nowadays you have a bus or train card which also work the same way.

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