Arduino library for the SX1509 16-I/O GPIO expander.
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examples
extras
src
README.md
keywords.txt
library.properties

README.md

SparkFun SX1509 IO Expander Breakout Arduino Library

SparkFun SX1509 IO Expander Breakout

SparkFun SX1509 IO Expander Breakout (SKU)

Arduino library for the SX1509 16-I/O expander. Capable of driving LEDs - with blink, and breathe functions - or monitoring up to 64 buttons in an 8x8 array.

Repository Contents

  • /examples - Example sketches for the library (.ino). Run these from the Arduino IDE.
  • /extras - Additional documentation for the user. These files are ignored by the IDE.
  • /src - Source files for the library (.cpp, .h).
  • keywords.txt - Keywords from this library that will be highlighted in the Arduino IDE.
  • library.properties - General library properties for the Arduino package manager.

Documentation

Products that use this Library

  • BOB-13601 - SX1509 16 I/O Breakout Board (v2.0)
  • BOB-11502- (Retired) 16 I/O I2C port expander.

Version History

  • V_2.0.1 - Version 2.0.1. More user-friendly function calls. Increased clock functionality. More examples. Mostly backwards compatible with older versions.
  • V_1.0.0 - Version 1.0.0

License Information

This product is open source!

The code is beerware; if you see me (or any other SparkFun employee) at the local, and you've found our code helpful, please buy us a round!

Please use, reuse, and modify these files as you see fit. Please maintain attribution to SparkFun Electronics and release anything derivative under the same license.

Distributed as-is; no warranty is given.

  • Your friends at SparkFun.