April 2020
Intermediate to advanced
294 pages
7h 53m
English
Just as we discussed in the previous chapters, we want to think through the hardware requirements that are necessary to support our test harness. We want requirements that will be general enough so that we don't tie our hands in the design process but also enough so that we have breadcrumbs that lead us in the right direction. For our test harness, which will test our pushbutton project modules from Chapter 3, Writing a MicroPython Driver for an I/O Expander, before we develop our hardware requirements, we need to review the hardware that we designed, which can be seen here:

From reviewing our hardware diagram, we can ...
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