[1]: https://i.stack.imgur.com/4fS7G.jpg [2]: https://github.com/pimylifeup/MFRC522-python/blob/master/mfrc522/SimpleMFRC522.py [3]: https://i.stack.imgur.com/TQy1l.jpg [4]: https://i.stack.imgur.com/9P8j8.jpg [5]: https://i.stack.imgur.com/nhoQM.jpg [6]: https://penzu.com/p/e7b96deb [7]: https://www.adafruit.com/category/55 [8]: https://www.adafruit.com/product/364 [9]: https://learn.adafruit.com/category/rfid-slash-nfc [10]: https://learn.adafruit.com/babel-fish [11]: https://www.youtube.com/watch?time_continue=6&v=l6MIZbZ27ZM&feature=emb_logo [12]: https://learn.adafruit.com/adafruit-pn532-rfid-nfc/downloads [13]: https://learn.adafruit.com/adafruit-pn532-rfid-nfc/libnfc [14]: http://nfc-tools.org/index.php/Main_Page [15]: https://learn.sparkfun.com/tutorials/connectivity-of-the-internet-of-things/rfid-and-nfc [16]: https://learn.sparkfun.com/tutorials/sparkfun-rfid-starter-kit-hookup-guide […]