RC522 RFID Module - Leo's Notes

From Leo's Notes

Last edited on 30 December 2021, at 01:19.

The RC522 is a cheap RFID reader module. I bought one from Ebay for $3 CAD with free shipping but that turned out to be a counterfeit since the firmware version was 0x12 rather than 0x9{0-2}.

Usage

The library project is at https://github.com/miguelbalboa/rfid

v t e Tinkering

Tinkering	555 Timer 6502 852D+ Soldering Rework Station AD9833 Arduino Arduino Mega 2560 ArduinoJson ASCII Table ATtiny85 Batteries Components Dancing Cactus DPS5005 Electronics Entropy Source using RTL-SDR Epson POS ESP32 ESP8266 Fake LM741 Fake W65C02 FPGA Gosund KS602 Gosund WP5 HD44780 LCD IR Codes Lava Lamp LCR-TC1 Meraki MS220-8P MH-Z19 Carbon Dioxide Sensor Node-RED OpenDPS PMSA003A Dust Sensor Prolific PubSubClient Radio Raspberry Pi RC522 RFID Module Rooting the Meraki MS220-8P Rotary Encoder RS232 Relay Sensors Serial Smart Meters Tasmota Text Encoding Tondaj SL-814 Tuya WiFi Smart Plug VHDL WiFiManager Wire Gauge Wyze Cam

3D Printing	3D Printing 3D Printing Filaments Anycubic Mega S