Electrical notes are a collaborative collection of electrical engineering information and educational material. Any registered user can add content. ...

Have an opinion or something to say, want to ask or answer questions, share your knowledge then use our site to do it . As a community of people interested...

Control theory looks at how systems work and are controlled from a mathematical view.  This note gives a brief introduction to some of the concepts – more...

Recently I have seen a few interesting articles on viable cold fusion; the combining of atoms at room like temperatures to create boundless energy. Now...

Before the technical, some general information. E-ink display are found in a lot of e-readers, some mobile phones and similar devices and the intent is...

A single phase system is perhaps the most common type of system most people are familiar with. This is what people have in their homes and what appliances...

Reading is a bit of a hobby of mine and I"ve done a few off-topic posts in the past on this. Rather than continue doing the occasional post I thought ...

Our cable sizing tool is one of the more popular tools on the site.  The tool enables cables to be sized in compliance with BS 7671 (the IEE Wiring Regulations...

Everything physical in electrical engineering from insulations to conductors revolves around materials. Here we are listing common materials along with...

We have had the Wiki with us for a long time now, but at last I have decided to say bye bye – more details on why below.