Book Image

Raspberry Pi 3 Projects for Java Programmers

By : Rajdeep Chandra, John Sirach, Pradeeka Seneviratne
Book Image

Raspberry Pi 3 Projects for Java Programmers

By: Rajdeep Chandra, John Sirach, Pradeeka Seneviratne

Overview of this book

Raspberry Pi is a small, low cost and yet very powerful development platform. It is used to interact with attached electronics by the use of it's GPIO pins for multiple use cases, mainly Home Automation and Robotics. Our book is a project-based guide that will show you how to utilize the Raspberry Pi's GPIO with Java and how you can leverage this utilization with your knowledge of Java. You will start with installing and setting up the necessary hardware to create a seamless development platform. You will then straightaway start by building a project that will utilize light for presence detection. Next, you will program the application, capable of handling real time data using MQTT and utilize RPC to publish data to adafruit.io. Further, you will build a wireless robot on top of the zuma chassis with the Raspberry Pi as the main controller. Lastly, you will end the book with advanced projects that will help you to create a multi-purpose IoT controller along with building a security camera that will perform image capture and recognize faces with the help of notifications. By the end of the book, you will be able to build your own real world usable projects not limited to Home Automation, IoT and/or Robotics utilizing logic, user and web interfaces.
Table of Contents (8 chapters)
4
Integrating a Real-Time IoT Dashboard

Wireless Controlled Robot

Raspberry Pi-based robotic applications have become more popular because it is more than powerful enough to control a robot with a range of embedded operating systems. The Raspberry Pi is physically small in size and allows you to build more compact robots by attaching various sensors and actuators. The behavior of a robot can be simple (move forward or turn left) to complex (line following or solving a maze) depending on the problem it has to solve.

Pololu (https://www.pololu.com) provides series of do-it-yourself robotic chassis kits such as Romi, Zumo, 3pi, and Tamiya. In this chapter, we will be choosing the Zumo chassis kit to build our Raspberry Pi-based wirelessly-controlled Zumo robot because it is cheap, easy to assemble, and easy to use.

In this chapter, you will:

  • Learn how to assemble the Zumo chassis kit with motors (external reference)
  • Assemble the Raspberry Pi 3 and motor...