August 2010
Intermediate to advanced
288 pages
13h 21m
English
Content preview from The Art of LEGO MINDSTORMS NXT-G 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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a programmable timer, version 3
The Timer2 program has one potential problem: Because the Loop block checks the condition at the end of the loop, the timer will always wait at least one second. But what if the program determines that the delay should be zero or a negative number? The Timer2 program will still wait one second, which may not be the behavior you want.
To avoid pausing for one second when the delay is zero (or less), we need to check the loop condition at the start of the loop instead of at the end, as shown in the Timer3 program in Figure 10-28. In this program, the Compare block has been moved to the beginning of the loop, and the result is used to both exit the loop and control a Switch block. The Switch block makes sure that the ...
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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.