.. module:: polaris_ioexp

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I/O Expander
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This module provides easy access to Polaris on-board I/O Expander.

    
.. function:: IOExpander()

    Creates an instance of the on-board I/O Expander device class (:any:`onsemi.ncv7240.NCV7240`).
    
    :returns: ``NCV7240`` object configured for Polaris hardware