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.
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Blink a LED on Raspberry Pi with Vaadin
Thanks to Vaadin, you can get a fully running application with a few clicks. And Adding GPIO-interaction is easy with the Pi4J library.
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Controlling Electronics with JBang on the Raspberry Pi
JBang is a great way to create your first program to control electronic components connected to the Raspberry Pi’s GPIO pins.
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Installing Java with SDKMAN on Raspberry Pi
Java on Raspberry Pi has always been possible, but SDKMAN makes the getting-started process a lot easier.
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Template to Get Started with Pi4J and JavaFX on Raspberry Pi
How to use the same architecture to implement a JavaFX-based GUI, a PUI attached to a Raspberry Pi, and integrate both in a clean, modular way.
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MQTT on Raspberry Pi (Part 3): Sending sensor data from Raspberry Pi Pico to HiveMQ Cloud
Let’s learn about adding some more data to our messaging system with another member of the Raspberry Pi family: the Pico.
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Java Modules in the Pi4J Project?
Java modules have been a big discussion point before in many places. And this is now also causing some headaches in the Pi4J project…
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MQTT on Raspberry Pi (Part 2): Using MQTT and Raspberry Pi to Visualize Sensor Data on a TilesFX Dashboard
In the 2nd part of the series, learn how to use MQTT and the Raspberry Pi to visualize sensor data on a TilesFX dashboard!
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MQTT on Raspberry Pi (Part 1): Send Sensor Data to HiveMQ Cloud with Java and Pi4J
Publish the data of up to 100 devices to an always-on, maintenance-free message broker for free!
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Pi4J V.2 Released!
The Pi4J Project was started in 2012 by Robert Savage, the same year the Raspberry Pi was introduced.
After long rework, the Pi4J library (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) has taken a big step with the first release of the V.2.
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Controlling an LCD Display with Spring and Thymeleaf on the Raspberry Pi
Igor De Souza shares on his blog a lot fun and inspirational experiments with Java on Raspberry Pi. Some of those were already shared here on Foojay.io.
This time we want to highlight his work which combines a web app made with Spring and Thymeleaf, to control an LCD display connected to a Raspberry PI.
