December 2014
Beginner
260 pages
5h 10m
English
Content preview from Getting Started with Arduino, 3rd Edition
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Chapter 7. Talking to the Cloud
In the preceding chapters, you learned the basics of Arduino and the fundamental building blocks available to you. Let’s go over what makes up the “Arduino Alphabet”:
- Digital output
-
We used it to control an LED but, with the proper circuit, it can be used to control motors, make sounds, and a lot more.
- Analogue output
-
This gives us the ability to control the brightness of the LED, not just turn it on or off. We can even control the speed of a motor with it.
- Digital input
-
This allows us to read the state of sensors that just say yes or no, like pushbuttons or tilt switches.
- Analogue input
-
We can read signals from sensors that have more information than just on or off, like a potentiometer that can tell ...
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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.