Breathing Light LED on Raspberry Pi using Java. The light intensity will start from zero and gradually will increase up to maximum and then will decrease back to zero.

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Flowing LED on RaspberryPi using Java. In this article will make a flowing LED strip flowing in both directions using Java.

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How to make a LED blinking on Raspberry Pi using Java. Simple sample code using pi4j library.

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log4j.properties basic examples. Output to the console and to the file.

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How to get input from Java Console. Examples using System.console, Scanner and BufferedReader + InputStreamReader.

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Client Server Socket example in Java. Client example reading the input from the console. Simple echo server example.

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