Breathing Light LED on Raspberry Pi using Python

  • 27 March 2017
  • ADM

Breathing Light LED on Raspberry Pi using Python. 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.


How to automatically backup files and directories in Linux

  • 10 February 2017
  • ADM

How to automatically backup files and directories in Linux using tar to archive and cron jobs.