Using the Raspberry Pi Sense HAT with Pi4J Drivers
One of the biggest advantages of the Pi4J Drivers project is the ability to interact with complex hardware through simple and intuitive Java …

Igor currently works as a Software Engineer in a Data Engineer team. With over 20 years of experience with Java and over 10 years in the Big Data world, Igor had the opportunity to work with Hadoop and its ecosystem right when Hadoop was created. In his spare time, he enjoys playing with Raspberry Pi and is an active member of the Maker community, highly engaged with STEM and CoderDojo. Igor Organizes a Facebook group for Brazilian IT in Ireland with over 12k participants. He is currently working on a pet project where he uses a Led Strip to teach basic concepts of data structure e data streaming.

One of the biggest advantages of the Pi4J Drivers project is the ability to interact with complex hardware through simple and intuitive Java …

When developing Java applications for Raspberry Pi, Pi4J is one of the most popular libraries for accessing GPIO, I2C, SPI, PWM, and other …

Pi4J has become the standard way to access GPIO, I2C, SPI, UART, and other Raspberry Pi interfaces from Java applications. On the other …

Every year on May 4th, fans around the world celebrate Star Wars Day with the iconic phrase “May the 4th be with you.” The following day, …

Breaking news: Java has been confirmed to consume all available RAM. Developers worldwide shocked. … okay, not really. Happy April 1st. It’s …

A few weeks ago, Igor De Souza shared Bringing Java Closer to Education: A Community-Driven Initiative here on Foojay. It's something we …

Happy 30th Anniversary to Pokémon! 🎉 February 27, 2026 marks exactly 30 years since the original Pokémon Red and Green launched in Japan on …

Happy 40th Anniversary to The Legend of Zelda! 🎉🗡️ Today, February 21, 2026, marks exactly 40 years since the original game launched in …

Over the past decades, Java has proven itself to be one of the most reliable, versatile, and widely used programming languages in the world. …

What 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 …

Did you know? The Quarkus Clubd initiative started less than a year ago and is already one of the biggest groups in the world dedicated to …

Let's talk to volunteers from different organizations where coding is used to inspire children to become engineers.

Learn how to use Firmata4j to control an Arduino board from a Raspberry Pi board or directly from your computer.

Igor De Souza shares a lot fun and inspirational experiments with Java on Raspberry Pi. Some of those were already shared here on Foojay.io.

Vert.x is open-source reactive polyglot software toolkit from the developers of Eclipse. Let's use it to play with a virtual potentiometer!

we present you with another great example of Java on Raspberry Pi. It shows how to create a Micronaut Velocity demo using an 8×8 LED matrix …

Igor De Souza has set up an interesting experiment in which he combines a LED number display with the Raspberry Pi and Quarkus.