Tagged "Pi4J"

First experiments with Raspberry Pi Compute Module 4

I’m one of those people with boxes full of devices, waiting to be used in experiments… And from time to time, I dive into those boxes to fill in the gaps in between other tasks.

Links of the BeJUG Presentation: Lessons Learned from #JavaOnRaspberryPi

These are all the links of my presentation at BeJUG in Waregem, Monday, July 24, 2024.

Links of the Presentation: What I Learned About OpenJDK As a Docs Writer

These are all the links of my presentation at the JChampions Conference, Monday January 29, 2024, 16:00 CET.

Controlling LED strips with Java

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… But, there is a problem.

Links of the Presentation: Unlocking the Potential of Bits and Bytes

These are all the links of my presentation at Devoxx Belgium, Wednesday 12:00-12:50, Room 7.

Pi4J Operating System for Raspberry Pi

Yes, the Raspberry Pi Operating System is awesome! But the Pi4J project made it if even more awesome by adding “goodies” for Java developers!

Reading the temperature, humidity, and pressure from a BME280 Sensor with Java, Pi4J, I2C, SPI, and JBang

To make it as easy as possible to get started with Java on the Raspberry Pi to interact with electronic components, I started a new section on the Pi4J website with JBang examples.

One Year as a Technical Writer at Azul: A Journey of Growth and Learning.

Writing has always been my passion, and even in my previous jobs as a developer, I stood out as the one who enjoyed creating and maintaining documentation.

Shopping list for JavaOnRaspberryPi

After my talk at J-Fall I got the question what is required to get started with #JavaOnRaspberryPi.

Devoxx Belgium and J-Fall The Netherlands - Links

Links used in my talks at Devoxx 2022 (Antwerp, Belgium) and J-Fall (Ede, The Netherlands).

Blink a LED and read a button state with Vaadin, Spring and Pi4J on a Raspberry Pi

As I’m becoming a senior developer in terms of age, I’ve transitioned from one language to another.

3D printed Raspberry Pi Arcade box

As part of the Pi4J project, we created an example game with JavaFX and FXGL that uses an Arcade kit with a Joystick and big push buttons.

HiveMQ Cloud, part 1 - MQTT on Raspberry Pi, Send Sensor Data to HiveMQ Cloud with Java and Pi4J

A few years ago I did my first experiments with an MQTT server (Mosquitto) running on a Raspberry Pi to connect an Arduino and Raspberry Pi for the drumbooth of my son.

JVM Advent 2020 - Light up your Christmas lights with Java and Raspberry Pi

Are you a serious Java-developer looking for a fun project? Or want to learn something completely new and use your Java-knowledge to control electronic components?

JFXDays presentation - Having fun with Java and JavaFX on the Raspberry Pi

Today I could give my talk “Having fun with Java and JavaFX on the Raspberry Pi” at the JFXDays.

Devoxx Ukraine presentation - Having fun with Java and JavaFX on the Raspberry Pi

Today I had my first Devoxx talk, after my Java virtual talk a few weeks ago at the “Oracle Groundbreakers APAC Virtual Tour 2020” conference (21/10)!

APACOUC presentation - Java and JavaFX on the Raspberry Pi

Today I had the honor to speak at the “Oracle Groundbreakers APAC Virtual Tour 2020” conference.

Using Pi4j (V1) on the Raspberry Pi 4

A topic which comes up from time to time in questions related to Java and the Raspberry Pi, is the support of the 4th version of this board in combination with Pi4J, “the friendly object-oriented I/O API and implementation library for Java programmers to access the full I/O capabilities of the Raspberry Pi “.

Joining the Pi4J team

In my book “Getting Started with Java on Raspberry Pi” I dedicated a chapter on Pi4J, the leading framework to combine the power of Java with the hardware capabilities of the Raspberry Pi.

The MagPi step-by-step video

In “The MagPi Magazine” #93 and #94, published by the Raspberry Pi Foundation, you can find two articles which describe how you can get started with Java, Maven, Visual Studio Code and Pi4J on the Raspberry Pi.

Raspberry Pi and SPI 8x8 LED matrix example with Java and Pi4j

While looking for a cheap and nice component to demonstrate the use of SPI (Serial Peripheral Interface) I found out this 8x8 matrix LED display on a board with a MAX7219 chip is the perfect piece of hardware!

OpenWeatherMap forecast on LCD with Raspberry Pi, Java and Pi4J

Pi4J contains helper methods to minimize the work needed to use certain hardware modules on the Pi with Java.

Reactive Spring Flux data from a Pi

Trisha Gee (Coder, blogger, speaker, Developer Advocate at JetBrains, @trisha_gee), which I interviewed for “Chapter 4: Choosing an IDE”, and Josh Long (Spring Developer Advocate at Pivotal, @starbuxman) worked together on a blog series in which they showed the power of reactive data produced by a Spring application.

Pi4J to easily work with the hardware of a Raspberry Pi with Java

What is Pi4J See https://www.pi4j.com/1.2/index.html This project is intended to provide 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.

Pi4J - Adding a REST interface with Spring Boot

As I was learning Spring Boot myself, I thought the easiest way to learn was trying to build an example and write about it.

Pi4J - Extending with a JavaFX info application

While trying out what Pi4J can do, I found it could easily be extended with a JavaFX application to provide info about the headers on a Pi board.

PiJava overview - Java 11 and JavaFX 11 on Raspberry PI

As my daily work mainly is Java and back-end stuff on “real servers”, I set myself for 2019 as a personal goal to experiment with Java 11 on a Raspberry PI.

PiJava - Part 6 - JavaFX 11 on Raspberry PI with TilesFX and GPIO

What we will do Based on the previous blog posts we can install and run Java 11 we have a minimal JavaFX 11 application which runs fine on a PI So there is one “small” step remaining: build something which actually does something on the PI, talking to the GPIO’s and show what’s happening.

Courses

Java Quick Start Is Java your first programming language and do you want to get up and running fast?

Getting Started with Java on the Raspberry Pi

For sale as ebook on Leanpub, with continuous free updates! Introduction When I first managed to blink a LED connected to a Raspberry Pi with Java, I was super excited!