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Digital Lab

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

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  • Projects
  • How-To
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Digital Lab

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

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

What is Cross-Site Scripting?

What is Cross-Site Scripting (XSS)? Cross-Site Scripting (XSS) attacks are a type of injection problem, in which malicious scripts are injected into the otherwise trusted web sites. XSS attacks occur when an…

  • February 20, 2014
  • Software Testing
  • 1 Comment
Read MoreWhat is Cross-Site Scripting?

How to change default boot options in linux?

Change Default boot options To change default boot options after full installation of Ubuntu/Mint Linux use Grub Customizer. After full installation, Ubuntu/Mint linux is set to be the default operating system…

  • January 22, 2016
  • How-To
Read MoreHow to change default boot options in linux?

Essential Linux utilities/softwares

Linux Mint or Ubuntu comes with lot of software and utilities which is sufficient in most cases. Few extra essential must have utilities are as follows: 1. digiKam Features It…

  • February 20, 2014
  • Linux
Read MoreEssential Linux utilities/softwares

How to Remove Old Linux Kernel?

Whenever Ubuntu updates to a new Linux kernel, the old one is left behind and the boot menu gets longer. If your new Linux kernel is working fine, then it…

  • January 22, 2016
  • How-To, Linux
Read MoreHow to Remove Old Linux Kernel?
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Top Posts

  • ESP32 WiFi Scanner EP6: Add Battery Voltage and Percentage Monitoring
  • ESP32 WiFi Scanner EP5: Adding Touchscreen Navigation and Integrating WiFi & BLE
  • ESP32 Wi-Fi Scanner Project EP4 – Add BLE Scanner and Battery Support
  • ESP32 Wi-Fi Scanner Project EP3 – Display Live Wi-Fi Networks on TFT
  • ESP32 Wi-Fi Scanner Project EP2 – Build the TFT Display Framework (ST7789)

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