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Digital Lab

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

  • Home
  • Blog
  • Projects
  • How-To
  • Tutorials
  • Privacy Policy
  • About
Digital Lab

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

Daily price updates for your favorite products via email

The prices of products listed on online shopping site like Amazon or Flipkart may vary every single day and here’s a simple Google Docs based solution to help you keep…

  • February 13, 2022
  • How-To
Read MoreDaily price updates for your favorite products via email

Difference between __CSVRead and __Stringfromfile function

__CSVRead() function The CSVRead function returns a string from a CSV file. When a filename is first encountered, the file is opened and read into an internal array. If a…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreDifference between __CSVRead and __Stringfromfile function

How to uses SYSMON to Monitor Performance counter?

Monitor performance counter using SYSMON The following example uses VBScript to add counters whose values are retrieved from the local computer, modifies some of the SYSMON properties that control how…

  • January 13, 2026
  • How-To, Software Testing, Tutorials
Read MoreHow to uses SYSMON to Monitor Performance counter?

How to Automate UI Testing using Instruments for iOS app

Automate UI Testing using Instruments An instrument is a powerful tool that can be used to automate UI testing. Instruments can also be used to collect data about the performance…

  • January 13, 2026
  • How-To, Software Testing, Tutorials
Read MoreHow to Automate UI Testing using Instruments for iOS app

Exploratory testing tips

Exploratory testing can be a challenge.  How to know that you have covered entire application? What all areas need to be covered? I have listed down some exploratory testing tips. This…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreExploratory testing tips

Buck and boost regulator using LM2578A

LM2578A can be used to make Buck and Boost regulator. Buck or step down regulator   Vin = 15V Vo = 5V Io = 350 mA Parts Lists R1 =…

  • January 22, 2016
  • Electronics
Read MoreBuck and boost regulator using LM2578A

Buck and boost regulator using LM2578A

Buck or step down regulator     Boost or step up regulator You can use the above circuit drive series of LED and make an LED driver circuit using this.  

  • June 13, 2017
  • Electronics
Read MoreBuck and boost regulator using LM2578A

How to install Cucumber on Mac?

You want to install Cucumber on your mac machine. Or if you are having trouble installing Cucumber and waitr or selenium-webdriver then you are at the right place. Following are…

  • January 29, 2016
  • How-To, Software Testing
  • 1 Comment
Read MoreHow to install Cucumber on Mac?

Test Effort Estimation

Challenges Successful test effort estimation is a challenge because No standard Formulae/Methods for Test Estimation Test Effort Estimates also includes the Debugging Effort Difficult to attempt testing estimates without first…

  • March 20, 2014
  • Software Testing
Read MoreTest Effort Estimation
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