Data Sheet

Documentation and Example Code

The following materials are released under the Creative Commons Attribution 3.0 United States license

(http://creativecommons.org/licenses/by/3.0/us/

), allowing free distribution and reuse provided that

proper attribution is given to the original author. The materials are posted on the RFID Read/Write

Module product pages; search “28440” and “28540” for serial and USB versions, respectively,

www.parallax.com:

 Product Manual (this document)

 Design Files (schematic, bill of materials, assembly drawing)

 Serial version: Example code for BASIC Stamp 2 and Arduino

 USB version: Example Python scripts for PC, Macintosh, and Linux

Additional Resources

• Grand Idea Studio’s

RFID Read/Write Module

web

page: www.grandideastudio.com/portfolio/rfid-read-write-module/

Revision History

Version 2.1

• Adjusted Key Specifications

• Updated image in Dimensions section

• Minor formatting and layout changes

Version 2.0

• Added documentation for RFID Read/Write Module, USB (#28540)

• Added note to Usage section about command timeout if no tag is detected

• Added Documentation and Example Code section

• Minor formatting and layout changes

Version 1.0

• Initial release for RFID Read/Write Module, Serial (#28440)