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Arduino for Kids

You're reading from   Arduino for Kids A cool guide to help kids develop robots and electronics

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781785884818
Length 218 pages
Edition 1st Edition
Tools
Concepts
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Authors (3):
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Rishi Gaurav Bhatnagar Rishi Gaurav Bhatnagar
Author Profile Icon Rishi Gaurav Bhatnagar
Rishi Gaurav Bhatnagar
Priya Kuber Priya Kuber
Author Profile Icon Priya Kuber
Priya Kuber
Vijay Varada Vijay Varada
Author Profile Icon Vijay Varada
Vijay Varada
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Toc

Table of Contents (11) Chapters Close

Preface 1. The World around Us FREE CHAPTER 2. Systems and Logic 3. Components and Connections 4. The Magic Wand 5. Hello World! 6. Safety Box 7. Make a Friend 8. Save Energy 9. High 5! 10. Plant, Meet Arduino!

Make some noise!


Congratulations! You now have the basic concepts needed to get our safe working! There is only one thing left to do: to figure out how to output sound for an alarm.

We are going to use an output sound using a device called a buzzer:

Image source: https://www.robomart.com/image/cache/catalog/RM0338/piezo-buzzer-b-10n-piezo-electric-buzzers-rm0338-by-robomart-399-500x500.jpg

A buzzer is a two-terminal device, meaning it has to have two connections going up to it. This buzzer also has polarity, meaning it should be connected with one particular terminal of the two connected to 5V or HIGH, and the other connected to ground or LOW.

Let's hook up a circuit and make some noise!

Connect the components to the breadboard as shown. Make sure the pin of the buzzer near the + sign of the buzzer goes into the I/O pin of the Arduino. This pin is usually the longer one of the two.

The other pin would be connected to the Arduinos ground:

We shall now write a code that will bring the buzzer...

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