Tutorial for making an RFID badge scanner with LCD

RFID and LCD Tutorial
Today we will be delving into some of the parts we received from the Elegoo Uno R3 Starter Kit. Specifically the RFID RC522 module and the 1602A LCD. If you aren't familiar with RFID it stands for Radio Frequency Identification. It is a way to read information wirelessly. The benefit is that the RFID ID cards are cheap, and don't require being powered, the RFID transceiver powers it using an electromagnetic field. This is the same technology used for many badges and ID cards that are scanned. Re...
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