A
Anonymous
Apr 05, 2026
Rating: 4/5
Good but needs 3.3V
Works well but make sure not to connect 5V directly to the logic pins. Otherwise solid.
Description
Keyes RC522 RFID Radio Frequency IC Card Reader Sensor Module Electronic Building Blocks Compatible with Arduino
Reviews
Attributes
| Brand | - |
| Category | Electronic Components / Maker DIY / Development Boards & Control Boards |
| Origin | - |
| Interface Type | SPI, I2C, UART, HSPI |
| Operating Voltage | 3.3V DC |
| Operating Frequency | 13.56 MHz |
| Operating Current | 13-26 mA |
| Reading Distance | Up to 5 cm |
| Operating Temperature | -20°C to 85°C |
| Chip Model | MFRC522 |
| Module Dimensions | 40 x 60 mm |
| Weight | 12 grams |
| Compatibility | Arduino, Raspberry Pi, STM32 |
5 reviews
A
Anonymous
Mar 22, 2026
Rating: 5/5
Fast Delivery
Product arrived quickly and was well packaged. The module itself is compact and functional.
A
Anonymous
Mar 11, 2026
Rating: 5/5
Perfect for Arduino Projects
Easy to wire and the library examples worked straight away. Great for learning RFID technology.
A
Anonymous
Feb 20, 2026
Rating: 5/5
Excellent for Learning
Used this for my university security project. Documentation online is plentiful for this chip.
A
Anonymous
Jan 24, 2026
Rating: 5/5
Great Value Module
Cheaper than others but works just as well. No issues with connectivity so far.
5 FAQ
Q: Can I use this with Raspberry Pi?
A: Yes, it is compatible with Raspberry Pi via the SPI pins.
Q: Is this module 5V tolerant?
A: No, please use 3.3V logic levels to avoid damaging the chip.
Q: Which library should I use for Arduino?
A: We recommend the MFRC522 library by miguelbalboa available in the Library Manager.
Q: Does it come with RFID cards?
A: No, cards and tags are sold separately. This package includes only the module and antenna.
Q: What is the maximum read range?
A: Typically 2-5 cm depending on the antenna size and card type used.
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