Sensors
RFID RC522 Reader Module
$3.80
In Stock (44 units)Voltage: 3.3VProtocol: SPIConnectivity: USB Type-B
Reads MIFARE cards and tags over SPI, commonly used with Arduino and ESP32 smart access projects.
Quantity:
Technical Specifications
Voltage
3.3V only
Frequency
13.56 MHz
Interface
SPI