MQTT on Raspberry Pi: Sensor Data to HiveMQ Cloud with Java and Pi4J
Get started with HiveMQ and publish the data of up to 100 devices to an always-on, maintenance-free message broker for free.

Frank Delporte is a Java Champion, Java Developer, Senior Technical Writer at Azul, Blogger, Author of "Java Programming for Raspberry Pi - A Hands-On Guide to Electronics and IoT Projects", and Open-Source Contributor for Pi4J, Lottie4J, Sheetmusic4J and MelodyMatrix. Frank writes and talks about Java in business production environments, but also in places people don’t always expect it, on the Raspberry Pi, driving GPIO pins, rendering JavaFX UIs, and running on RISC-V single-board computers.
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Frank Delporte
3,477 viewsGet started with HiveMQ and publish the data of up to 100 devices to an always-on, maintenance-free message broker for free.

Frank Delporte
14,526 viewsBoth for Maven and Gradle lovers there are different possibilities to build Java executables and GitHub provides the free tools to do so!

Frank Delporte
64,043 viewsAs part of the Foojay Virtual OpenJDK 17+ JUG Tour, I was asked to present the state of Java and JavaFX 17 on the Raspberry Pi!

Frank Delporte
4,654 viewsThe Pi4J library (a friendly object-oriented I/O API and libraries for Java access to the full I/O of the Raspberry Pi) has taken a big …
Foojay podcast, with James Gosling, Java creator, embedded enthusiast, distinguished engineer of AWS GreenGrass, formerly at Liquid …

Frank Delporte
6,098 viewsAt the University of Applied Sciences and Arts Northwestern in Switzerland, theoretical subjects are combined with programming assignments.

Frank Delporte
7,395 viewsIn this post we are going to take a deeper look into some of the recent JavaFX announcements, e.g., dual screen support on Raspberry Pi!

Frank Delporte
3,941 viewsJava and JavaFX are a great match with the Raspberry Pi, here on Foojay you can find a lot of examples to get you started!

Igor De Souza shares a lot fun and inspirational experiments with Java on Raspberry Pi. Some of those were already shared here on Foojay.io.

Start with an idea for a game, bring it to life in a prototype, modify the application to run on Raspberry Pi and on mobile device.