- Why do we use a voltage divider circuit when connecting the HC-SR04 to the Raspberry Pi?
- True or false? T.A.R.A.S has eyes that see through the use of sonar.
- What is a device in ThingsBoard?
- True or false? Our class, RobotEyes, encapsulates the Raspberry Pi camera module used on T.A.R.A.S.
- What does the RobotEyes.publish_distance method do?
- True or false? The library that we require to work with MQTT comes pre-installed with Raspbian.
- Why do we name our class RobotEyes, and not RobotDistanceSensor?
- True or false? Encapsulating boilerplate code in a class makes the code much more difficult to work with.
- True or false? The GPIO Zero library does not have support for distance sensors.
- What is the difference between RobotEyes.py and RobotEyesIOT.py?
Internet of Things Programming Projects
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Internet of Things Programming Projects
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Overview of this book
The Internet of Things (IOT) has managed to attract the attention of researchers and tech enthusiasts, since it powerfully combines classical networks with instruments and devices.
In Internet of Things Programming Projects, we unleash the power of Raspberry Pi and Python to create engaging projects. In the first part of the book, you’ll be introduced to the Raspberry Pi, learn how to set it up, and then jump right into Python programming. Then, you’ll dive into real-world computing by creating a“Hello World” app using flash LEDs.
As you make your way through the chapters, you’ll go back to an age when analog needle meters ruled the world of data display. You’ll learn to retrieve weather data from a web service and display it on an analog needle meter, and build a home security system using the Raspberry Pi. The next project has a modern twist, where we employ the Raspberry Pi to send a signal to a web service that will send you a text when someone is at the door. In the final project, you take what you've learned from the previous two projects and create an IoT robot car that you can use to monitor what your pets are up to when you are away.
By the end of this book, you will be well versed in almost every possible way to make your IoT projects stand out.
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Internet of Things Programming Projects
Table of Contents (21 chapters)
Preface
Free Chapter
Installing Raspbian on the Raspberry Pi
Writing Python Programs Using Raspberry Pi
Using the GPIO to Connect to the Outside World
Subscribing to Web Services
Controlling a Servo with Python
Working with the Servo Control Code to Control an Analog Device
Setting Up a Raspberry Pi Web Server
Reading Raspberry Pi GPIO Sensor Data Using Python
Building a Home Security Dashboard
Publishing to Web Services
Creating a Doorbell Button Using Bluetooth
Enhancing Our IoT Doorbell
Introducing the Raspberry Pi Robot Car
Controlling the Robot Car Using Python
Connecting Sensory Inputs from the Robot Car to the Web
Controlling the Robot Car with Web Service Calls
Building the JavaScript Client
Putting It All Together
Assessments
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