Current: 13-26mA/DC 3.3V; Idle Current: 10-13mA/DC 3.3V; Data Transfer Rate: Max.10Mbit/s; Power Voltage: 3.3V; Operating frequency: 13.56MHz, MFRC522 Supports MIFARE series higher-speed contactless communication, bidirectional data transmission rate up to 424kbit/s
The module use a voltage of 3.3V, it can connected communication with user's any CPU mainboard through several lines of SPI interface, it can ensure stable and reliable work, and reader distance.
RC522 is a highly integrated contactless (13.56MHz) card reader chip, applicable for the user who need to design or manufacture the RF card terminal.
RFID RC522 Module is a better choice for the development of smart meters and portable handheld devices, the module can be directly loaded into the various reader molds.
The module can connected communication with user's any CPU mainboard through several lines of SPI interface, it can ensure stable and reliable work, and reader distance
Description
This module can be directly loaded into the various reader molds.
Module interfaces SPI: Data transfer rate maximum 10Mbit/s
Operating current :13-26mA/DC 3.3V
Module uses voltage of 3.3V, through the SPI interface simple few lines can be directly connected to the user any CPU board communication module stable and reliable work
This module can be loaded directly into a variety of readers molds.
It can connect various development boards and support development resources
Operating Frequency: 13.56MHz
Idle current :10-13mA/DC 3.3V
Sleep current: Peak current:
Reference
https://randomnerdtutorials(Dot)com/security-access-using-mfrc522-rfid-reader-with-arduino/
https://www.youtube(Dot)com/watch?v=nn-nuhAByRk
https://pimylifeup(Dot)com/raspberry-pi-rfid-rc522/
https://github(Dot)com/miguelbalboa/rfid