Blog about Web Programming and Electronics
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Blog about Web Programming and Electronics

The Vadnica Blog is a place where I share my experience with web programming and electronics. Here you will find articles about HTML, CSS, JavaScript, PHP and MySQL, as well as Arduino projects, Linux and news from the world of technology. I write in a simple, understandable language, so the content is accessible to both beginners and more experienced readers.

WEB (HTML, CSS, PHP)

Creating and Securely Connecting to a MySQL Database with PDO in PHP

When developing dynamic web applications, working with databases is inevitable. In the past, the leg...

19. 07. 2026
Arduino & Electronics

Rotary Encoder and Arduino Mega 2560: How to Properly Prevent Switch Bounce (Debouncing)

A rotary encoder is a fantastic component for controlling projects like FM radio receivers, display ...

15. 07. 2026
WEB (HTML, CSS, PHP)

Node.js or Client-Side JavaScript? My Experience with Website Stability

When you invest months or even years of hard work and sleepless nights into developing a complex pro...

15. 07. 2026
WEB (HTML, CSS, PHP)

Introduction to API Development with Node.js and Express.js

Modern web applications operate on the principle of decoupled backend and frontend architectures. Th...

11. 07. 2026
WEB (HTML, CSS, PHP)

How to Protect and Obfuscate JavaScript Code in Node.js

JavaScript is inherently an interpreted language, meaning that its source code remains readable to a...

11. 07. 2026
Linux

How to Install Node.js on a Linux Server and Deploy It for the Web

Once your Node.js application runs flawlessly locally, the next step is moving it to a production we...

19. 06. 2026
WEB (HTML, CSS, PHP)

How to Install Node.js on PC and Run It in PhpStorm

Node.js has become an essential tool for modern web development. While most know it as an environmen...

19. 06. 2026
Arduino & Electronics

Sealing and Insulation for Water Projects

In projects such as automatic garden watering, two worlds meet: plumbing and electronics. To a...

18. 06. 2026
Arduino & Electronics

ESP32 vs. Arduino

ESP32 vs. Arduino – Who is the King of Your Workshop? When entering the world...

16. 06. 2026
WEB (HTML, CSS, PHP)

Comprehensive Guide to Adding Icons (Favicon) to a Website

The website icon (Favicon) is that small image that distinguishes your site from others in browser t...

09. 05. 2026
WEB (HTML, CSS, PHP)

How to Organize Code with Include and Require

As your website grows, writing the same code (e.g., menu or footer) on every page separately becomes...

27. 04. 2026
Programming

Connecting a Python Flask Application to a MySQL Database

When a web application built with Flask needs persistent data storage, MySQL is the most logical cho...

24. 04. 2026