How Relay works? – The Complete Illustrated Guide
The Relay (EMR or Electromagnetic Relay) is an electro-mechanical component that uses a magnetic field to close and open the circuit. …
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How Hybrid Relay works? – The Complete Illustrated Guide
The Hybrid Relay is a combination of electro-mechanical and semiconductor technology. It uses the advantages of both while minimizing their …
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How SSR works? – The Complete Illustrated Guide
A SSR (Solid State Relay) is a semiconductor switch. Using a small signal, e.g. from a microcontroller, you can control a …
What is Smart Home?
I’ve been dealing with Smart Home for a couple of years now, and my definition has changed several times. No …
How to start a Smart Home – Step-by-Step illustrated guide
This is the first article in the series in which I will show you that Smart Home is available to …
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How to detect mains voltage with a microcontroller?
The easiest way to detect mains electricity using a microcontroller is with the optocoupler (optoisolator). It allows you to send information …
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