10 Set MFRC-522 RC-522 RC522 RFID Wireless IC Module S50 Fudan SPI Writer Reader Card Key Chain Sensor Kits 13.56Mhz for Arduino
$23.63
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“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
Our Review
After integrating the 10 Set MFRC-522 RC-522 RC522 RFID Wireless IC Module S50 Fudan SPI Writer Reader Card Key Chain Sensor Kits 13.56Mhz for Arduino into several test builds, we found it to be a capable component for the price. Key specs include Protocol: 433MHz RF, Data Rate: 1 Mbps, Range: up to 500m.
Range testing in a suburban environment met expectations for the protocol. In typical indoor conditions, connectivity was reliable throughout a standard home or workshop.
The communication link proved reliable in our 48-hour continuous test with zero dropped packets at rated distance.
Overall, the 10 Set MFRC-522 RC-522 RC522 RFID Wireless IC Module S50 Fudan SPI Writer Reader Card Key Chain Sensor Kits 13.56Mhz for Arduino fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.
What We Like
- License-free ISM band operation in most regions
- Configurable data rate and TX power for range vs. speed tradeoff
- Well-documented AT command set or driver library
- Low power consumption extends battery life in remote nodes
Watch Out For
- Regulatory restrictions vary by country and frequency
- Requires paired module on the receiving end
- Antenna placement affects range significantly
Specifications
| Protocol | 433MHz RF |
| Data Rate | 1 Mbps |
| Range | up to 500m |
| Operating Voltage | 3.3V-5V |
| Interface | I2C |
| Antenna | Spring antenna included |
The Verdict
“A budget-friendly option that covers the basics. Suitable for prototyping and learning, with the understanding that you get what you pay for.”
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