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Knowledge base

Low-noise oscilloscope probes?

Low-noise oscilloscope probes?

27-03-2026

How to deal with wave phenomena?
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.
Oscilloscope probes – why are they essential?

Oscilloscope probes – why are they essential?

25-03-2026

Basic information about probes.
How to make an automatic smart trash bin with Arduino and an ultrasonic sensor

How to make an automatic smart trash bin with Arduino and an ultrasonic sensor

13-03-2026

Create a hands-free trash bin that opens automatically when it detects your hand.
Accurate measurements: various negative factors

Accurate measurements: various negative factors

12-03-2026

Is complete accuracy even possible?
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.

INVENTORS

Harry Coover – "too sticky" case that changed the world

Harry Coover – "too sticky" case that changed the world

06-03-2026

How was the glue that sticks everything, especially fingers, created?
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.

INVENTORS

Helmut Gröttrup – rockets and ATM cards

Helmut Gröttrup – rockets and ATM cards

12-02-2026

What do the V2 rocket and a credit card have in common?
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.