April 2020
Intermediate to advanced
294 pages
7h 53m
English
Content preview from MicroPython Projects
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Writing a MicroPython Driver for an I/O Expander
The ability to design and implement a driver is an important skill in embedded software development. Whether the driver is for an internal peripheral or for external sensors and input/output (I/O) capabilities, developers need to design and construct drivers that are flexible and scalable.
In this chapter, we will explore how to properly design drivers by implementing a project that uses an external I/O chip to interface with an RGB LED pushbutton. We will design a MicroPython driver to perform I/O using the external chip and to drive the RGB LEDs using the pyboard's Pulse Width Modulation (PWM) channels.
The following topics will be covered in this chapter:
- The RGB pushbutton I/O expander ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.