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A home to software testing, electronics circuits & projects, tips and tricks and digital diary.

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Digital Lab

A home to software testing, electronics circuits & projects, tips and tricks and digital diary.

Security testing – revisited

This blog (security testing revisited) is intended to summarize  few of my post related to security testing :- Ethical Hacking – part 1 –  Before going into details of how to ethical…

  • November 27, 2014
  • Software Testing
Read MoreSecurity testing – revisited

Selenium Ruby Binding – how ?

Good part of selenium is that the selenium tests can be written in multiple programming languages like c#, Java, Perl, PHP, Ruby etc. I normally hear saying that “This Java…

  • November 26, 2014
  • How-To, Software Testing
Read MoreSelenium Ruby Binding – how ?

How to use multiple solar panels?

Calculating watts Power[watt]=Voltage[volt] * Current[Ampere] if the panel is rated as 5v 200 mA then Power=1 watt Wiring multiple solar panels Parallel wiring This is required if your application need…

  • August 13, 2018
  • Electronics, Tutorials
Read MoreHow to use multiple solar panels?

How radio works?

How does radio works? Audio signals are transmitted by imposing lower audio frequencies on the high frequency carrier wave. In other words the audio signals are added to the carrier…

  • July 1, 2016
  • Electronics, Tutorials
Read MoreHow radio works?

Test Pattern – Pair Testing

Pair Testing Pair testing is another example of test pattern. Context Pair testing is a way of approaching a test design process by having two people test the same time…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreTest Pattern – Pair Testing

Whats new in Raspberry Pi B+ board ?

The Raspberry Pi Model B+ is a credit-card sized computer board that’s up and running when a keyboard, mouse, display, PSU and SD card with installed OS are added. It’s…

  • June 26, 2016
  • Electronics
Read MoreWhats new in Raspberry Pi B+ board ?

Test Patterns – Scenario Testing

Scenario Testing Scenario testing is one of the example of Test Patterns Context The objective of scenario testing is to prove that the program will fail when asked to do…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreTest Patterns – Scenario Testing

How to convert xml to json format?

To Convert XML to JSON format Consider a situation where in you have data in xml file and want to use it as a input to some other system where…

  • January 13, 2026
  • How-To, Software Testing, Tutorials
Read MoreHow to convert xml to json format?

Applying Patterns to Software Testing

What is Patterns ? a regular or repetitive form, order or arrangement a model that is considered to be worthy of imitation Why Patterns ? Patterns are a way of…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreApplying Patterns to Software Testing
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