Beginner

Articles & Learning

Mermaid: Create Beautiful Diagrams with Markdown

Create professional diagrams dynamically using markdown-inspired syntax without special diagramming software.

December 20, 2025 • 5 min read

mermaid diagrams documentation visualization

WaveDrom: Digital Timing Diagrams with Markdown

Create professional digital timing diagrams and state charts using simple text syntax without special software.

December 20, 2025 • 3 min read

wavedrom timing diagrams digital logic visualization

Color Targets for Imaging and Display Devices

Color profiling tools and targets for photographers and engineers ensuring accurate color reproduction.

June 1, 2020 • 5 min read

color-calibration color-checker grayscale white-balance gray-balance digital-imaging photography-tools color-profiling

Basic Eclectronics

Introduction to Diode

Fundamentals of diodes: unidirectional current flow, rectification, and applications in electronic circuits.

February 13, 2018 • 3 min read

diode semiconductor rectification p-n-junction electronics-basics circuit-components

Field Programmable Gate Array (FPGA)

Installing/Uninstalling Vivado 2017.4 in Ubuntu 16.04

Vivado is a name which the reader should be familiar with if ever worked with Xilinx development cycle. In my opinion, …

February 18, 2018 • 4 min read

xilinx vivado ubuntu linux installation-guide fpga-tools

GNU Octave - Scientific Programming Language

Octave:1> Getting Started

Introduction to GNU Octave, its history, installation, and basic environment setup for numerical computing.

October 30, 2019 • 5 min read GNU Octave

gnu-octave matlab programming numerical-computing open-source scientific-computing

Octave:1> Variables and Constants

Master variables, constants, data types, and naming conventions in GNU Octave environment.

February 19, 2020 • 5 min read GNU Octave

gnu-octave matlab variables constants data-types

Octave:1> Expressions and operators

Learn expressions, operators, and assignment statements in GNU Octave programming language.

February 21, 2020 • 6 min read GNU Octave

gnu-octave matlab expressions operators syntax

Octave:1> Built-In Functions, Commands, and Package

Explore GNU Octave built-in functions organized by topic for mathematical and scientific computing.

March 9, 2020 • 6 min read GNU Octave

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Octave:2> Vectors and Matrices Basics

Master vectors and matrices in GNU Octave with practical examples and n-dimensional array operations.

April 18, 2020 • 7 min read GNU Octave

gnu-octave matlab vectors matrices linear-algebra

Octave:2> Conditional Execution

Control program flow with if/else, loops, and switch statements in GNU Octave.

April 19, 2020 • 3 min read GNU Octave

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Introduction to Diode

The Guardian of Voltage: A Comprehensive Guide to Zener Diodes

Explore the fascinating physics behind Zener diodes—from quantum tunneling to avalanche breakdown—and learn how these …

February 1, 2026 • 12 min read

Zener Diode Voltage Regulation Semiconductor Physics Power Supply Circuit Design Breakdown Voltage Quantum Tunneling Avalanche Effect Electronic Components Voltage Reference

Software & Firmware

Git Introduction: Understanding Version Control Systems

Learn the fundamentals of Git, a modern distributed version control system. Explore Git terminology, workflows, and …

February 18, 2018 • 9 min read

git version-control vcs distributed-systems source-code-management development-tools