Articles | Marcio Cunha

BACnet vs Modbus vs LonWorks

Clear comparison of automation protocols and when to use each.

How to save ipconfig and ping to TXT in CMD

Redirect Windows command output to TXT files for logs and diagnostics.

Java: get system time, language and screen resolution

How to read system info in Java with ready-to-use code.

How to test an IC with a multimeter

Practical guide for shorts, power rails and limitations.

How to create an image carousel with HTML, CSS and JavaScript

Step-by-step guide to build a responsive image slider.

Positivo IP camera setup issue (fixed)

Step-by-step fix to make the app detect the camera.

Docker: complete beginner's guide (2025)

Concepts, essential commands, Dockerfile and Compose in one guide.

BPMN diagram course with Bizagi

Practical playlist to learn BPMN with Bizagi Modeler.

Free Windows Server 2019 course

Complete playlist covering Windows Server fundamentals.

How to pay a late Free Flow toll online

Simple steps to pay overdue Free Flow tolls online.

How to Make Windows Faster

Practical tweaks to improve Windows 11 performance without formatting your PC.

Complete ASCII table: the definitive guide

ASCII 0–127 with dec, hex, characters and controls.

ABNT standards in Word: step by step

Practical guide to format academic papers in Word following ABNT rules.

How to reverse mouse scrolling on macOS

A simple guide to change scroll direction on macOS using settings, apps, or Terminal.

MEI FAQ: complete guide

DAS, annual declaration, invoices and MEI obligations.