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RGB LED on Raspberry Pi using Java

31 March 2017
ADM

In this article will make RGB LED to change colors using Raspberry Pi and Java.

Breathing Light LED on Raspberry Pi using Java

20 February 2018
ADM

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.

Flowing LED on RaspberryPi using Java

23 March 2017
ADM

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

Blinking LED on Raspberry Pi using Java

21 March 2017
ADM

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

JUnit 3 vs JUnit 4 Comparison

01 March 2017
ADM

Junit 3 vs Junit 4 Comparison. Junit 4 is introducing new features like annotations, static import, timeout.

Log4j 1.2.x basic example

10 February 2017
ADM

This tutorial presents log4j 1.2.x basic examples. How to log a message and an exception.

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