Java Programming for Raspberry Pi: A Hands-On Guide to Electronics and IoT Projects (2026 edition)

When I first managed to blink an LED connected to a Raspberry Pi with Java, I was super excited! Controlling physical things with some lines of code is magic! This book provides a wealth of information and history about Java, as well as instructions on how to install it on the Raspberry Pi. Additionally, there are numerous tips and tricks to help you become or improve as a developer. But, above all, there are many simple examples of these and even other topics: The magic of Bits and Bytes and solving the confusion of Java signed values with the help of an LED number display. Beautiful user interfaces made with JavaFX so you can interact with the hardware. Pi4J applications to be able to control different types of hardware like LEDs, buttons, displays, LED strips, relay boards, and more. Spring applications so you can interact with your Pi via web interfaces. How to set up a queue to send and receive messages to and from Arduino boards or other Raspberry Pi's. Interviews with some of my heroes: Karen Mouws (STEM and diversity), Alexander Belokrylov (BellSoft Liberica JDK), Trisha Gee (IntelliJ IDEA), Marit van Dijk (IntelliJ IDEA), Xiaokai He (Visual Studio Code), Jakob Jenkov (tutorials.jenkov.com), Johan Vos (OpenJFX, JavaFX, and GluonHQ), Robert Savage (Pi4J), Gerrit Grunwald (JavaFX, TilesFX), Mark Heckler (Spring), Vlad Mihalcea (JPA, Hibernate), Simon Ritter (Azul), Geertjan Wielenga (Foojay), Max Rydahl Andersen (JBang), Almas Baim (FXGL). And a lot of other inspirational ideas and getting-started examples to be able to build your dream do-it-yourself project. My goal was to collect all the information that would have been bundled when I started my experiments with Java on the Raspberry Pi. If you are new to Java, you will learn the language bit by bit by following the examples. As an experienced Java programmer, you will learn how to extend your knowledge and control the world with simple and inexpensive components.