Book Image

C Programming for Arduino

By : Julien Bayle
Book Image

C Programming for Arduino

By: Julien Bayle

Overview of this book

Physical computing allows us to build interactive physical systems by using software & hardware in order to sense and respond to the real world. C Programming for Arduino will show you how to harness powerful capabilities like sensing, feedbacks, programming and even wiring and developing your own autonomous systems. C Programming for Arduino contains everything you need to directly start wiring and coding your own electronic project. You'll learn C and how to code several types of firmware for your Arduino, and then move on to design small typical systems to understand how handling buttons, leds, LCD, network modules and much more. After running through C/C++ for the Arduino, you'll learn how to control your software by using real buttons and distance sensors and even discover how you can use your Arduino with the Processing framework so that they work in unison. Advanced coverage includes using Wi-Fi networks and batteries to make your Arduino-based hardware more mobile and flexible without wires. If you want to learn how to build your own electronic devices with powerful open-source technology, then this book is for you.
Table of Contents (21 chapters)
C Programming for Arduino
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
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...