📡 M5Stack RFID2 Unit
The RFID2 unit is a radio frequency identification device operating at 13.56 MHz, equipped with a built-in WS1850S chip to support multiple RFID functions.
✨ Core Features
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🔄 Magnetic field induction technology → enables non-contact, bidirectional data exchange
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📖 Read & write card data
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🪪 Card recognition & authentication
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📝 Information recording
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🔐 RF card encoding → supports authorization & secure access
🚀 Applications
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🏢 Access control systems → grant entry to authorized personnel
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🎟️ Event & facility check-in → efficient registration & attendee identification
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📦 Warehouse management → track goods entry, storage & inventory control
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🚗 Community vehicle access → secure entry/exit for residents & visitors
Product Features
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Operating frequency: 13.56 MHz
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I2C data rate: Fast mode: up to 400 Kbit/s; High-speed mode: up to 3400 Kbit/s
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Transceiver buffer: 64 bytes
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Supported protocols: ISO14443A, MIFARE and NTAG
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Working temperature: -20℃-85℃
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Data storage:> 10 years
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Reading distance: <20 mm
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Development platform: Arduino, UIFlow(Blockly, Python)
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2x LEGO compatible holes
Recommended Articles
Build a Smart Access Control System with M5StickV and RFID
Include
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1x RFID Unit
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1x HY2.0-4P cable
Applications
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Smart home access control system
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Vehicle management
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Smart Transportation
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Smart bookshelf
Specifications
| Resources | Parameter |
|---|---|
| Read and Write IC | WS1850S |
| Operating frequency | 13.56MHz |
| Communication protocol | I2C: 0x28 |
| Support protocol | ISO/IEC 14443 Type A/Type B protocol |
| Net weight | 6g |
| Gross weight | 21g |
| Product size | 48 * 24 * 8mm |
| Packing size | 67 * 53 * 12mm |
EasyLoader
What is EasyLoader?
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EasyLoader is a simple and fast program burner. The EasyLoader on each product page provides a product-related case program, which can be burned to the main control through simple steps, and a series of functional verifications can be carried out.
- 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, and click "Burn" to start burning. (When burning for M5StickC, please Set the baud rate to 750,000 or 115200)
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At present, EasyLoader is only applicable to Windows operating system, compatible with M5 system, and uses ESP32 as the control core host. You need to install the CP210X driver before burning for M5Core (if you use M5StickC as the controller, you don’t need to install it) [click here to view Driver installation tutorial](/en/uiflow/uiflow_web#Install the serial port driver)