January 2014
Intermediate to advanced
474 pages
13h 28m
English
Content preview from AVR ProgrammingBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 3. Digital Output
If you got the project from Chapter 2 running, you’ve gotten yourself a little bit familiar with the AVR toolchain. You’ve hooked up a simple circuit on the breadboard, and you’ve seen the first sweet blinkies of success! Now you’re ready to take the next step: even more blinkies blinking even faster, and looking at what’s going on under the hood.
The project for this chapter is a persistence-of-vision (POV) pattern generator. By turning eight LEDs on and off really quickly, the POV toy exploits your eye’s slow response to light in order to draw patterns that seem to float in midair when you scan your eyes across the LEDs. For an example of how this looks, see Figure 3-1. POV toys are fun, and you’ll have something ...
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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.