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Guide articles

How to choose a power supply for LED lighting? Overview of popular models

How to choose a power supply for LED lighting? Overview of popular models

31-03-2026

Which parameters matter and how to avoid mistakes?
Metal saw – how to choose, use, and maintain? Practical guide

Metal saw – how to choose, use, and maintain? Practical guide

26-03-2026

Easy to use, versatile and inexpensive tools.
Tachometer in practice – how it works, what it measures, and how to calibrate it

Tachometer in practice – how it works, what it measures, and how to calibrate it

25-03-2026

How and where tachometers are used.
Raspberry Pi from the inside, part 2 – system installation step by step

Raspberry Pi from the inside, part 2 – system installation step by step

11-03-2026

How to install an operating system on Raspberry Pi?
Raspberry Pi from the inside, part 1 – how to choose an operating system

Raspberry Pi from the inside, part 1 – how to choose an operating system

11-03-2026

Overview of operating systems for Raspberry Pi.
USB Gadget Mode in Raspberry Pi OS – SSH and Networking over USB

USB Gadget Mode in Raspberry Pi OS – SSH and Networking over USB

18-02-2026

Plug in. Power up. SSH in.
Powerful cell – a complete guide to R20 batteries (type D)

Powerful cell – a complete guide to R20 batteries (type D)

09-02-2026

We answer the most important questions.
Small component, great control – discover the world of variable resistors

Small component, great control – discover the world of variable resistors

06-02-2026

From trimmer to rheostat – an overview of variable resistors and their functions.
Arduino Cloud – what is it and how to get started? Examples, features, IoT integrations

Arduino Cloud – what is it and how to get started? Examples, features, IoT integrations

05-02-2026

We present the capabilities of Arduino Cloud.
Guide to Coaxial Cables – Structure, Operating Principle and Basic Concepts

Guide to Coaxial Cables – Structure, Operating Principle and Basic Concepts

03-02-2026

In which solutions do they work best?
How to choose the right hex bolts? Types, standards, and applications

How to choose the right hex bolts? Types, standards, and applications

30-01-2026

Essential in construction, automotive, and industry.
Coaxial connectors: ABC of construction and principle of operation in RF systems

Coaxial connectors: ABC of construction and principle of operation in RF systems

29-01-2026

Indispensable in RF and audio-video systems.