Datasheet

RFID

Description

The MFRC522 operates in the 13.56MHz frequency band and uses the modulation and demodulation

Connect this Unit to GROVE PORTA on M5Core, IIC adress is 0x28.

Product Features

Operating frequency: 13.56 MHz

I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s

RC522 Transceiver Buffer: 64 bytes

Supported protocol: ISO14443A, MIFARE and NTAG

Operate temperature: -20℃-85℃

How long data be saved for: > 10 years

Reading and writing distance: < 8 cm

Program Platform: Arduino, UIFlow(Blockly, Python)

Two Lego installation holes

Product Size：48.2mm x 24.2mm x 8.3mm

Product weight：5.9g

Include

1x RFID unit

1x GROVE Cable

Applications

Smart home access control system

M5Stack Docs

REID has an RFID chip MFRC522 inside.

principle to interact with the proximity RF card. This unit can realize the function of the card reading and

writing device, to identify and record multiple card information, to encode and authority a RF card.

It is able tp establish applications such as access control system, punching system, warehouse goods

storage and community vehicle access registration.

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M5Stack Docs RFID Description REID has an RFID chip MFRC522 inside. The MFRC522 operates in the 13.56MHz frequency band and uses the modulation and demodulation principle to interact with the proximity RF card. This unit can realize the function of the card reading and writing device, to identify and record multiple card information, to encode and authority a RF card.
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M5Stack Docs Vehicle management Smart transportation Smart bookshelf EasyLoader 1.EasyLoader is a simple and fast program burner. Every product page in EasyLoader provides a product-related case program. It can be burned to the master through simple steps, and a series of function verification can be performed. . 2. After downloading the software, double-click to run the application, connect the M5 device to the computer through the data cable, select the port parameters, click "Burn" to start burning.
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M5Stack/*Docs RFID.ino */ #include #include "MFRC522_I2C.h" #include // 0x28 is i2c address on SDA. Check your address with i2cscanner if not match. MFRC522 mfrc522(0x28); // Create MFRC522 instance. // initialization M5.begin(); Serial.begin(115200); Wire.begin(); /* Init MFRC522 */ mfrc522.PCD_Init(); /* Show details of PCD - MFRC522 Card Reader details */ ShowReaderDetails(); // get the uid of available card mfrc522.PICC_IsNewCardPresent();// scan for a new card mfrc522.
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M5Stack Docs Schematic PinMap M5Core ( GROVE A ) GPIO22 GPIO21 5V GND RFID Unit SCL SDA 5V GND