Java tutorials, experiments, and real-world projects by Frank Delporte, Java Champion, Technical Writer at Azul, and lead maintainer of Pi4J.

Whether you're running Java on a Raspberry Pi, building desktop UIs with JavaFX, exploring RISC-V single-board computers, or diving into JVM internals — you're in the right place.

Topics: Java, JavaFX, Lottie4J, Pi4J, Java on Single-Board Computers, and much more...

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Repairing Roland Piano HP-237E Keys and Pedal Connector

This is a bit of a different type of post… At my son’s school, the piano in the music class had a few issues, and I went “on a quest” to fix it :-) This post is a collection of what info I needed to get this done, written down here, just in case someone is looking for the same info.

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