February 2009
Beginner
128 pages
2h 45m
English
Content preview from Getting Started with ArduinoBecome 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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TIME FUNCTIONS
Arduino includes functions for measuring elapsed time and also for pausing the sketch.
unsigned long millis()
Returns the number of milliseconds that have passed since the sketch started.
Example:
duration = millis()-lastTime; // computes time elapsed since "lastTime"
delay(ms)
Pauses the program for the amount of milliseconds specified.
Example:
delay(500); // stops the program for half a second
delayMicroseconds(us)
Pauses the program for the given amount of microseconds.
Example:
delayMicroseconds(1000); // waits for 1 millisecond
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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.
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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.