Conversation turns to the Flipper Zero, and aspects of its design, and one of the parts we end up talking about is its built-in 125 kHz RFID reader. It’s a surprisingly complex circuit with a ...
which could perhaps be considered something of an interactive circuit diagram, allows anyone with a paper printer and a few passive components to make a functional low-frequency RFID sniffer.
The RFID tags that are routinely inserted into shipping boxes are passive RFID tags, which comprise an antenna, a small integrated circuit ... 20 feet by a dedicated reader that emits radio ...
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