RC522 I2C RFID Module 13.56MHz Reader Writer Card Module Interface IC Card RF Sensor Module Ultra-Small
$27.37
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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 RC522 I2C RFID Module 13.56MHz Reader Writer Card Module Interface IC Card RF Sensor Module Ultra-Small into several test builds, we found it to be a capable component for the price. Key specs include Protocol: SPI, Data Rate: 9600 baud, 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.
For the price point, the RC522 I2C RFID Module 13.56MHz Reader Writer Card Module Interface IC Card RF Sensor Module Ultra-Small delivers what you need without unnecessary complexity. Recommended for hobbyists and engineers working on projects where communication modules components are essential.
What We Like
- Well-documented AT command set or driver library
- Mesh networking capability for multi-node deployments
- License-free ISM band operation in most regions
- Long range communication reduces infrastructure costs
Watch Out For
- Interference in crowded ISM band environments
- No built-in encryption on basic modules
- PCB antenna range is shorter than external SMA antenna
Specifications
| Protocol | SPI |
| Data Rate | 9600 baud |
| Range | up to 500m |
| Operating Voltage | 5V |
| Interface | UART |
| Antenna | Built-in PCB antenna |
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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