Tuesday May 03, 2016

RetroPi Handheld Java Gaming

Build your own retro handheld console powered by Java, running on a Raspberry Pi, and printed on a 3-D printer. In this video, you will learn how to hack Java on the Raspberry Pi, rig input devices with Pi4J, and tune for insane performance on the JVM. Learn about embedded and Java while having fun! 

Wednesday Mar 02, 2016

NightHacking Tour of Germany

Java Community Lead Stephen Chin and Freelancer Sebastian Daschner are touring Java User Groups in Germany. And, you can watch them live at NightHacking during JavaLand. 

In his presentation, Stephen will walk you through how to build your own retro handheld console that is powered by Java, runs on a Raspberry Pi, and is printed on a 3D printer. Some of the topics that he will cover along the journey include: hacking Java on the Raspberry Pi
, rigging input devices with Pi4J, Insane performance tuning on the JVM
, why your boss [or SO] needs to buy you a 3D printer!
 And of course your retro gaming mettle will be put to the test, so make sure to dust off your old 8 and 16 bit consoles to prepare. This presentation is about the most fun you can have while still legitimately calling this conference “work.” 

Sebastian will give an introduction of RESTful web services with Hypermedia as the engine of application state, what the benefits and costs of using this approach are and show different approaches how to realize such REST services with JavaEE 7 and JAX-RS. Most of the time will be spend demonstrating different implementations (plain JavaEE 7, existing libraries, etc.) with live coding. The session is held in English. 

Agenda

3/3/16    JUG Berlin
3/4/16    JUG Hannover
3/5/16    JUG Münster
3/6/16    JUG Dortmund
3/8/16    JavaLand
3/9/16    JavaLand
3/10/16  JUG Darmstadt
3/14/16  JUG Bodensee



Wednesday Mar 26, 2014

Hacking with Raspberry Pi and Java

Two new videos about Raspberry Pi GPIO with Java are now available. This hands-on training  is part of the IoT Developer Challenge and will help you to create a winning project to submit. This is a great opportunity to win a trip to JavaOne 2014! Submissions are accepted until May 30, 2014

In the first video, you will learn about the Raspberry Pi set up and the installation of Java SE Embedded and JavaFX. In the second video below, expert Vinicius Senger explains the Raspberry Pi GPIO and protocols as well as how to use the Pi4J project, a set of libraries enabling the access of the Raspberry Pi with Java. Vinicius also gives several demonstrations using a camera, LED lights, buttons and a relay board to connect to appliances. You can download the code of his demonstrations, including Pi4J Helloworld, PiPicture, Twitter4Pi and Lcdl2C

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