/**
* Implement an open drain output using a GeneralIO, represented as a
* GeneralIO. Requires an external pull-up for proper operation.
*
* @author R. Steve McKown <rsmckown@gmail.com>
*/
/**
* Implement an open drain output using a GeneralIO, represented as a
* GeneralIO. Requires an external pull-up for proper operation.
*
* @author R. Steve McKown <rsmckown@gmail.com>
*/