IxpandO Project Page

IxpandO (Project #16, August 2017)

IxpandO is a 16 bit I²C input/output expansion board based on Microchip's MCP23017. When you run out of inputs or outputs for your project, use this project to connect up to 16 of them through and I²C interface.

Posts from Club Members about the project..

port extenders, #BoldportClub style LEAP#340

Contributed by @tardate on Sep 10, 2017

My IxpandO build. I decided to start with the default setup of 8 inputs (switches) and 8 outputs (LEDs), and an Arduino sketch to demonstrate digital output and interrupt-driven input with the Wire library. All notes, schematics and code are in the LEAP repo on GitHub. Here’s a quick demo:

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IxpandO API and Demo for RPi

Contributed by Jeff Westerinen on Sep 2, 2017

I created an API and demo program for Ixpando that I would like to share, available on GitHub. first image

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IxpandO build by t-paul

Contributed by Torsten.Paul on Sep 2, 2017

Some pictures of my IxpandO build!

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and yet another #BoldportClub kit lives! @boldport

Contributed by @kbx81 on Aug 26, 2017

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I deviated from the intended build a little bit on this #BoldportClub kit @boldport

Contributed by @kbx81 on Aug 26, 2017

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another lovely #BoldportClub build from @boldport <3

Contributed by @kbx81 on Aug 26, 2017

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Need more inputs or outputs? @boldport IxpandO expansion board features our MCP23017 I/O expansion IC:

Contributed by @MicrochipTech on Aug 17, 2017

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Our latest #BoldportClub project has a Microchip MCP23017 IO expander on it

Contributed by @boldport on Aug 17, 2017

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A handy IO Expander

Contributed by Thomas Stratford on Aug 16, 2017

Some pictures of my IxpandO build!

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Some pictures of my Boldport IxpandO build.

Contributed by @MrTomsWorld on Aug 15, 2017

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The crazy SMD soldering continues..... #BoldportClub

Contributed by @MrTomsWorld on Aug 15, 2017

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Time to start another #BoldportClub project. One of the perks of visiting @boldport HQ ☺️

Contributed by @MrTomsWorld on Aug 15, 2017

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https://boldport.com/ixpando is now live #BoldportClub

Contributed by @boldport on Aug 14, 2017

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IxpandO. Going out to #BoldportClub members tomorrow!

Contributed by @boldport on Aug 14, 2017

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IxpandO #BoldportClub

Contributed by @boldport on Aug 14, 2017

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IxpandO #BoldportClub

Contributed by @boldport on Aug 14, 2017

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IxpandO #BoldportClub

Contributed by @boldport on Aug 14, 2017

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I'll just leave this here... #BoldportClub @boldport

Contributed by @MrTomsWorld on Aug 3, 2017

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Getting ready... #BoldportClub

Contributed by @boldport on Jul 20, 2017

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Finished verifying IxpandO and packaging release candidate. #BoldportClub @MicrochipMakes @MicrochipTech

Contributed by @boldport on Jul 17, 2017

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#BoldportClub

Contributed by @boldport on Jul 16, 2017

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'IexpandO' gone to production at @eC_PCB #BoldportClub

Contributed by @boldport on Jun 21, 2017

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Prototypes arrived from @eC_PCB! #BoldportClub

Contributed by @boldport on Jun 13, 2017

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Prototypes for #BoldportClub project 'IxpandO' sent to @eC_PCB!

Contributed by @boldport on May 31, 2017

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#BoldportClub

Contributed by @boldport on May 29, 2017

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#BoldportClub

Contributed by @boldport on May 24, 2017

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Looking for inspiration? Check out these project builds shared by Club Members..

IxpandO build by t-paul

Contributed by Torsten.Paul on Sep 2, 2017

A handy IO Expander

Contributed by Thomas Stratford on Aug 16, 2017
Supporting resources shared by Club Members for this project..

IxpandO API and Demo for RPi

Contributed by Jeff Westerinen on Sep 2, 2017