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Internet of Things with Arduino Cookbook

You're reading from   Internet of Things with Arduino Cookbook Build exciting IoT projects using the Arduino platform

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781785286582
Length 188 pages
Edition 1st Edition
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Author (1):
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Marco Schwartz Marco Schwartz
Author Profile Icon Marco Schwartz
Marco Schwartz
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Toc

Table of Contents (9) Chapters Close

Preface 1. Connecting an Arduino to the Web FREE CHAPTER 2. Cloud Data Monitoring 3. Interacting with Web Services 4. Machine-to-Machine Interactions 5. Home Automation Projects 6. Fun Internet of Things Projects 7. Mobile Robot Applications Index

Configuring your mobile robot


In this recipe, we are simply going to make sure that the robot we assembled is working correctly, by testing the motors of the robot. This will allow us to be sure that everything is working later when it comes to writing more complex sketches to control the robot.

Getting ready

Here, you simply need to make sure that you followed the previous recipe to assemble the robot. Also make sure that the batteries are fully charged, and that the robot's wheels or tracks are not touching the ground, as we simply want to test the motors here.

How to do it...

We are now going to build a sketch to test the motors of the robot. As a test, we'll make the robot go forward, and then stop, and repeat the process.

First, we define which pins the L293D chip is connected to on the Arduino board:

// Define motor pins
int motorOnePlus = 6;
int motorOneMinus = 7;
int motorOneEnable = 5;

int motorTwoPlus = 8;
int motorTwoMinus = 9;
int motorTwoEnable = 4;

After that, in the setup() function...

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