(Reference) RFID

RFID - Radio Frequency ID

Wiring

  • Uses SPI communication protocol
Sensor Argon
3.3v 3.3v
Reset Any digital output pin
GND GND
IRQ -
MOSI MO
MISO MI
SCK SCK
SDA Any digital output pin

Wiring Diagram

Operation

Library

  • We need a library to handle much of the complex communication with the OLED
  • To install a library, go to the command palette and type Install Library
  • Install the OLED library: ARGON-RFID-MFRC522

Examples

  • There are extensive examples in the library folder under lib/examples

Code

  • See the in-class exercises and notes for more detailed examples

Credit

Updated: