On the Pi4J discussion list, someone recently asked what the best and easiest way is in Java to convert a byte value. In Java, there is no distinction between signed and unsigned bytes, which can be confusing. My book “Getting …
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Foojay Podcast #55: Embedded Java, Part 2
In this episode #55, we look into the history of the Java Micro Edition and how things evolved.
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Evolutions in the Pi4J library by Tom Aarts and Robert von Burg
Multiple improvements have been implemented in the new release, V2.6.0 (2024-04-29) of Pi4J, a friendly object-oriented I/O API and implementation libraries for Java Programmers to access the full I/O capabilities of the Raspberry Pi platform. This blog post will give …
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Java on Raspberry Pi 5 with Pi4J
Alexander Liggesmeyer contributed a new plugin to Pi4J: GpioDPlugin. As a Pi4J-user, he wanted to run his applications on the Raspberry Pi 5.
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Controlling LED Strips with Java and JBang
One of the most “fancy” electronic components is definitely… a LED strip. It’s really cool to control a long strip of lights with only a few lines of code.
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Pi4J Operating System for Java development on Raspberry Pi
Pi4J is an ideal way to introduce the Java language into experiments with electronic components.
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Reading the temperature, humidity, and pressure from a BME280 Sensor with Java, Pi4J, I2C, SPI, and JBang
In this tutorial, I want to show you how you can read the temperature, humidity, and pressure from a BME280 Sensor.
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Coroutines on the RaspberryPi (Pi4J-Kotlin)
Find out all the details on Pi4J-Kotlin v2.4.0: Coroutines, I2C, and Serial DSL on Foojay.io Today, the place for OpenJDK friends.
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Controlling a LED strip with Pi4J and JBang
The Raspberry Pi, Pi4J and JBang are a perfect combination to experiment with electronics. Find out more here!
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Kotlin on the RaspberryPi (Pi4J-Kotlin)
Learn about Pi4J-Kotlin, providing a Kotlin DSL for the already-mature Pi4J V2 API and take full advantage of Kotlin on the RaspberryPi!
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Pi4J V2.2.0 Released
Pi4J provides friendly object-oriented I/O API and implementation libraries for Java Programmers to access the full I/O capabilities of the Raspberry Pi platform.