RC522 RFID Module - Infintro

RC522 RFID Module

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RC522 RFID Module with  IC Card  S50 Fudan Cards Key Chains for Arduino Provide  Development Code Raspberry Pi B+

 

RC522 chip Introduction:
MF RC522 is applied to 13.56MHz contactless communication highly integrated chip card reader, is NXP for the "Three Tables" application launch of a low-voltage, low-cost, small size and non-contact card reader chip, smart instrumentation and portable handheld devices developed better choice. MF RC522 using advanced modulation and demodulation concept completely integrated in all types of 13.56MHz passive contactless communication methods and protocols. Support 14443A compatible transponder signals. The digital part handles ISO14443A framing and error detection. In addition, support fast CRYPTO1 encryption algorithms, terminology validation MIFARE products. MFRC522 supports MIFARE Series higher speed non-contact communication, two-way data transfer rates up to 424kbit / s. As a highly integrated 13.56MHz card reader new family of chips, MF RC522 MF RC500 and MF RC530 and there are many similarities, but also have many features and differences. It is between the host communication using SPI mode, helps to reduce connection, reduce PCB board size and cost.

RFID module Introduction:
MF522-AN module adopts Philips MFRC522 original reader circuit chip design, easy to use, low cost, suitable for equipment development, development of advanced applications such reader users, the need for RF card terminal design / production of the user. This module can be loaded directly into a variety of readers molds. 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 can guarantee stable and reliable work, reader distance;

 

Electrical parameters Introduction:
Current :13-26mA / DC 3.3V
Idle Current :10-13mA / DC 3.3V
Sleep current: <80uA
Peak current: <30mA
Operating Frequency: 13.56MHz
Supported card types: mifare1 S50, mifare1 S70, mifare UltraLight, mifare Pro, mifare Desfire
Product Physical Characteristics: Dimensions: 40mm × 60mm
Environmental Operating temperature: -20-80 degrees Celsius
Environment Storage temperature: -40-85 degrees Celsius
Relative Humidity: 5% -95%
Module Interface SPI Parameters:
Data Transfer Rate: Max. 10Mbit / s

 This product is compatible with the arduino and raspberry pi
The pins to and from the module to the rpi are as followed:
VCC- pin 1, 3.3 volts
RST- pin 22, GPIO25
GND- pins, 6, 9, 14, 20, or 25, I personally used pin 6
MISO- pin 21, GPIO9
MOSI- pin 19, GPIO10
SCK- pin 23, GPIO11
NSS- pin 24, GPIO7
IRQ- Don’t Attach to rpi