Adafruit PN532 NFC/RFID Controller Shield
Best NFC shield for makers building custom access control systems.
This shield brings powerful 13.56MHz NFC and RFID capabilities to your projects with a reliable, long-range antenna design. It simplifies tag reading and writing by integrating directly into standard development board ecosystems.
$39.95
at
Micro Center
Who it's for
- Makers seeking quick, solder-free integration with Arduino projects
- Engineers needing flexible connectivity options for custom hardware setups
- Developers wanting streamlined coding with reliable, pre-written software support
Who should skip it
- Builders planning complex projects requiring many available I/O pins
- Designers creating portable, battery-operated devices with strict power budgets
- Users requiring long-distance tag detection for their specific application
Performance breakdown
Protocol Versatility
Broad support for ISO 14443A and NFC standards ensures wide compatibility.
Interface Flexibility
Dual I2C and SPI options provide seamless integration with most microcontrollers.
Developer Documentation
Adafruit's extensive library support makes implementation straightforward for hobbyists and pros.
Form Factor
Compact shield design fits perfectly atop standard Arduino boards without clutter.
Read/Write Reliability
Consistent performance across various tag types minimizes data transfer errors.
Build Quality
Robust construction meets industry standards for reliable, long-term electronic prototyping.
Key Specs
Chipset
PN532
Operating Frequency
13.56 MHz
Operating Voltage
5 V
Connectivity Protocols
I2C, SPI, NFC, RFID
Form Factor
Integrated Module
Dimensions
117.7 mm x 53.3 mm x 1.1 mm
Compatibility
Arduino NG, Diecimilla, Duemilanove, UNO, Mega R3 or later
Programming Environment
Arduino IDE
Microcontroller Processor
ATmega328P
USB Interface Type
Micro USB
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