RFID

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Noisebridge uses RFID for some access control systems. As of this revision, the whole system is named Earl. There is a software repository on the noisebridge github.

The system is based on RFID-RC522 devices using tags that work at 13.56Mhz. This is compatible with what we call NFC

They kind of look like this, on a high level.

Rfid-notes-by-lee.jpg
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