Reference

Library

Library files applicable to Arduino development environment: DFRobot_PN532 library.

Communication Protocol Description

• I2C Interface: Logic Level 0-3.3V, I2C Address: 0x48.
• UART Interface: Logic Level 0-3.3V, UART Baud Rate: 115200 bps.
• Switch: A switch is added for conveniently switching between I2C and UART interfaces. Every time switching the interfaces, you need to reset the controller to communicate normally.