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C Programming for Arduino

You're reading from   C Programming for Arduino Building your own electronic devices is fascinating fun and this book helps you enter the world of autonomous but connected devices. After an introduction to the Arduino board, you'll end up learning some skills to surprise yourself.

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Product type Paperback
Published in May 2013
Publisher Packt
ISBN-13 9781849517584
Length 512 pages
Edition 1st Edition
Languages
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Author (1):
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Julien Bayle Julien Bayle
Author Profile Icon Julien Bayle
Julien Bayle
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Table of Contents (21) Chapters Close

C Programming for Arduino
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Let's Plug Things FREE CHAPTER First Contact with C C Basics – Making You Stronger Improve Programming with Functions, Math, and Timing Sensing with Digital Inputs Sensing the World – Feeling with Analog Inputs Talking over Serial Designing Visual Output Feedback Making Things Move and Creating Sounds Some Advanced Techniques Networking Playing with Max 6 Framework Improving your C Programming and Creating Libraries Index

Using LEDs


LEDs can be monochromatic or polychromatic. Indeed, there are many types of LEDs. Before going though some examples, let's discover some of these LED types.

Different types of LEDs

Usually, LEDs are used both to block the current coming from a line to its cathode leg and to give light feedback when the current goes into its anode:

The different models that we can find are as follows:

  • Basic LEDs

  • OLED (Organic LED made by layering the organic semi-conductor part)

  • AMOLED (Active Matrix OLED provides a high density of pixels for big size screens)

  • FOLED (Flexible OLED)

We will only talk about basic LEDs here. By the term "basic", I mean an LED with discrete components like the one in the preceding image.

The package can vary from two-legged components with a molded epoxy-like lens at the top, to surface components that provide many connectors, as shown in the following screenshot:

We can also sort them, using their light's color characteristics, into:

  • Monochromatic LEDs

  • Polychromatic LEDs...

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