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Using the Raspberry Pi Sense HAT with Pi4J Drivers
Table of Contents What is the Sense HAT?Why is the Sense HAT So Popular?Java, Education, and the Journey to SpaceWhy Use Pi4J Drivers?Initializing the Sense HATReading Environmental DataUsing the LED MatrixMotion and Orientation DataLearn More with Pi4J ExamplesAn Open Community ...
Table of Contents What is Pi4J Drivers?Pi4J Drivers Reaches Version 1.0.0Why is Pi4J Drivers Important?A Community-Driven Driver EcosystemLearning Through Pi4J ExamplesA Simple ExampleA Hat ExampleConclusionWhen developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for …
Table of Contents Why Combine Quarkus and Pi4J?What Does the Extension Provide?A Simple ExampleConfiguration Without RecompilationGPIO Injection by Number or NameHealth Checks for Raspberry Pi ApplicationsBuilding Modern IoT ApplicationsPart of the Quarkiverse EcosystemLooking AheadConclusion Java developers building applications for Raspberry …
Table of Contents (“In a galaxy far, far away…”)The Myth: “Java is Too Hard for Beginners”Java: The Jedi Order of ProgrammingThe Real Dark Side: The Empire of Bad LearningWhy Java Feels Like the Jedi Code (But Isn’t Hard)Training Like a …
Table of Contents The reputation didn’t come out of nowhere.Modern Java: What Actually Changed?1. Garbage Collection Is Not What It Used to Be2. Threads Got Lighter (Much Lighter)3. Java Objects Are Literally Getting Smaller4. The JVM Learned to Share (CDS)5. …
Table of Contents Inspired by a Great Idea from James WardMeet education.foojay.socialThe Catalog Is Only as Good as the Community Makes ItWhat’s NextA few weeks ago, Igor De Souza shared Bringing Java Closer to Education: A Community-Driven Initiative here on …
Table of Contents Java 25 – Compact Source Files and Instance Main Methods (JEP 512)Java 25 – Flexible Constructor Bodies (JEP 513)30 Years of Pokémon. Decades of Java Evolution.LinksLinks Happy 30th Anniversary to Pokémon! 🎉 February 27, 2026 marks exactly …
Table of Contents The Triforce of Performance Improvements in Java 25From 8-Bit to Open World – A Parallel Journey Java Has Leveled Up (Evolved) Happy 40th Anniversary to The Legend of Zelda! 🎉🗡️ Today, February 21, 2026, marks exactly 40 …
Table of Contents The role of this GitHub repositoryWhy Java in Education MattersA Major Milestone: Java in CoderDojoCommunity Content vs. Official Raspberry Pi Foundation MaterialImpact on Raspberry Pi, Pi4J, and the Java EcosystemThe Challenge with the Raspberry Pi FoundationConnecting Existing …
Table of Contents YouTubePodcast AppsContentWhat if the future of Java depends on who we invite to learn it today? In this Foojay Podcast, we’re diving into something that affects all of us in the Java community: How can we inspire …
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If you want to know what I spoke about in @jcon_conference in Germany, here's an interview I did at the @foojayio podcast:
#Java #JCON #JakartaEE #AI #A2A
Our team loves to meet and talk with the Java community from around the world. If you want to learn more. You can find all OmniFish presentations at: https://speakerdeck.com/omnifish, including links to the source code of related demos. Or get in touch for a free consultation call.
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