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C Programming for Arduino

C Programming for Arduino

By : Julien Bayle
2.8 (11)
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C Programming for Arduino

C Programming for Arduino

2.8 (11)
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)
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C Programming for Arduino
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
1
Index

Understanding the debounce concept


Now here is a small section that is quite cool and light compared to analog inputs, which we will dive into in the next chapter.

We are going to talk about something that happens when someone pushes a button.

What? Who is bouncing?

Now, we have to take our microscopic biocybernetic eyes to zoom into the switch's structure.

A switch is made with pieces of metal and plastic. When you push the cap, a piece of metal moves and comes into contact with another piece of metal, closing the circuit. Microscopically and during a very small time interval, things aren't that clean. Indeed, the moving piece of metal bounces against the other part. With an oscilloscope measuring the electrical potential at the digital pin of the Arduino, we can see some noise in the voltage curve around 1 ms after the push.

These oscillations could generate incorrect inputs in some programs. Imagine, that you want to count the states transitions in order, for instance, to run something when...

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C Programming for Arduino
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