LED Flasher using NE555
LED Flasher circuit using NE555 timer IC R1, R2, C1 and the supply voltage determine the flash rate. For a variable flash rate, replace R1 with a 1 MΩ pot in series with a 22k resistor. The purpose of R3…
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
A home to software testing, electronics circuits & projects, tips and tricks and digital diary.
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10 Stage LED Sequencer
10 Stage LED Sequencer Components IC1- CD4017 IC2- NE555 C1 – 1μ C2- 0.01 μ R1 – 470 Ω R2 – 100 KΩ R3- 100 Ω LED1-10 – RED LED 9volt DC power supply. …
LED Basics
Today LED has become an integral part of consumer electronics. LED TV, LED Display, LED Lights and so on. These are becoming very popular because of there low power consumption. What is LED? LED stands for Light emitting diode. A…
Playwright Agents Setup in VS Code – Complete Beginner Guide
Automation testing is evolving rapidly with AI-powered tools. One of the most powerful additions is Playwright Agents, which helps testers generate, execute, and heal automated tests with minimal coding. In this guide, we’ll walk through the complete setup of Playwright…
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Learning Technology, One Project at a Time A personal space where I share software testing insights, electronics circuits & DIY projects, practical tech tips and tricks, and my digital tech diary. FROM MY TECH JOURNEY Top Posts Some of my…
Software Testing FAQ – Everything You Need to Know
Software testing is essential for delivering reliable, secure, and high-quality software. Whether you’re new to QA or looking to strengthen your testing fundamentals, this comprehensive Software testing FAQ covers all major concepts in a clean, beginner-friendly format. 1. What is…
How to Use Azure DevOps with Power BI & View Reports
You can connect Azure DevOps to Power BI using either: Below are step-by-step instructions. Method 1: Using Azure DevOps Analytics Views (Most Common & Easiest) If your Azure DevOps organization has Analytics enabled and do not require to make complex…
Azure DevOps Guide for Testers
1. Introduction to Azure DevOps (ADO) Azure DevOps (ADO) is Microsoft’s cloud-based DevOps platform that supports the entire software development lifecycle. It provides tools for: For testers, Azure DevOps is especially useful for: 2. Key ADO Modules for Testers Boards…
Programming Raspberry Pi PICO using Arduino IDE
In this blog we will learn how to program Raspberry Pi PICO 2 or 2W boards using Arduino IDE. For more details on Raspberry Pi PICO refer my post on the same here. Installation of Arduino IDE First step is…
How to install Docker to Raspberry Pi?
Installation Step1 Update all our existing packages before we proceed to install Docker. We can upgrade all existing packages by running the following two commands on the Raspberry Pi. sudo apt update sudo apt upgrade Step2 After this install Docker.…