RFID

SKU:U031

Description

RFID has an RFID MFRC522 chip 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.

It is able tp establish applications such as access control system, punching system, warehouse goods storage and community vehicle access registration.

Connect this Unit to GROVE PORTA on M5Core, I2C address is 0x28.

Product Features

13.56MHz Operation frequency
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: < 20 mm
Program Platform: Arduino, UIFlow (Blockly, Python)
Two Lego installation holes

This product is EOL now.

Include

1x RFID unit
1x GROVE Cable

Applications

Smart home access control system
Vehicle management
Smart transportation
Smart bookshelf

Specification

Resources	Parameter
Communication protocol	I2C: 0x28
Net weight	6g
Gross weight	21g
Product Size	48248mm
Package Size	675312mm

EasyLoader

download 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. .

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. (For M5StickC burning, please Set the baud rate to 750000 or 115200)

PinMap

M5Core ( GROVE A )	GPIO22	GPIO21	5V	GND
RFID Unit	SCL	SDA	5V	GND

Schematic

Datasheet MFRC522

Example

Arduino

Click here to download the Arduino example

After programming the RFID.ino, the IC card or the mobile phone NFC, close to the unit, moves back and forth around the unit, and the UID of the IC card or the RFID chip in the mobile phone will be printed on the screen of the M5Core.

UIFlow

Feature Introduction

Identify RFID chip information

read string from addr Read data from address
write to addr Write data to address
card near RFID card close to return 1
card uid Returns the UID of the RFID card

Usage

Click here to download the UIFlow example

After opening and burning this example using UIFlow , place the proximity card on the Unit surface and the screen displays “True” and the UID number of the card.