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Digital Lab

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.

Test Automation using Python – Part 2

In the previous post we have seen how to write unit test using unittest framework in Python. Here we will extend it and use for Selenium test automation using Python.…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreTest Automation using Python – Part 2

Test Automation using Python – Part 1

In this post we will see how you can write test automation using Python. We see how to configure your Python test environment and write your first Python unit test…

  • January 13, 2026
  • How-To, Software Testing, Tutorials
Read MoreTest Automation using Python – Part 1

Testing Strategies in a Microservice Architecture

Microservices are a popular architectural style for building applications that are resilient, independently deployable and highly scalable. But a successful microservice architecture requires different approach to both designing and testing.…

  • January 13, 2026
  • Software Testing, Tutorials
Read MoreTesting Strategies in a Microservice Architecture

How to fail AI Testing?

AI Bot

Overview Here I will show you how to fail OpenAI. I have given a simple mathematical problem to solve. Open AI got confused on the questions and gave multiple incorrect…

  • February 15, 2023
  • How-To, Misc, Software Testing
Read MoreHow to fail AI Testing?

Getting started with UiPath automation tool

UiPath is a Robotic Process Automation (RPA) tool that automates repetitive and manual tasks. Its a low code no code alternate to Selenium. To write a UiPath automation tool script,…

  • February 12, 2023
  • Misc, Software Testing
Read MoreGetting started with UiPath automation tool

Audio amplifier using TDA1554

The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package. The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers.

  • January 13, 2026
  • Electronics, Project
Read MoreAudio amplifier using TDA1554

Headphone amplifier circuit using LM4880

LM4880 is a dual power amplifier designed to produce high quality audio output capable of delivering power of 220mW per channel to 8 Ohm load using minimum external component and a 5v power supply. This can be very handy to design portable amplifier circuit.

  • January 13, 2026
  • Electronics, Project
Read MoreHeadphone amplifier circuit using LM4880

How to create Azure Virtual Desktop

In this post we will see how to create Azure Virtual Desktop step by step from the user interface. Alternatively you can use PowerShell command to achieve the same. The…

  • January 13, 2026
  • How-To, Tutorials
Read MoreHow to create Azure Virtual Desktop

PAM8403 Mini digital audio amplifier module

PAM8403 Mini Digital Audio Amplifier Module is a Class-D 2* 3 Watt amplifier module. It offers low THD+N, allowing it to achieve high-quality sound reproduction. The new filterless architecture allows…

  • January 9, 2023
  • Electronics
Read MorePAM8403 Mini digital audio amplifier module
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