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by AlwizBA
Thu Apr 02, 2026 4:17 am
Forum: Showcase
Topic: [ESP32-C3] esp-rfid-bridge -- RFID reader that talks JSON over USB Serial
Replies: 0
Views: 183

[ESP32-C3] esp-rfid-bridge -- RFID reader that talks JSON over USB Serial

Hi, just dropped a small firmware project on GitHub that I've been sitting on for a while.


esp32c3-supermini.jpeg


Basic idea: ESP32-C3 + RC522 module, plugged into USB, and it just sends card scan events as JSON over serial. Your host (whatever it is -- Python script, Node, a Rust binary ...

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