Category: Tutorial

  • Bad day at work? – How I destroyed a £2300 piece of equipment

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    It’s been longer than I care to admit since my last post, but sit comfortably because this is a tale worth telling. It is about all the planning and thought in the world can be let down with one careless oversight. We use a fairly inexpensive HiPot tester (Clare H101) at work to check that some…

  • Stereotypical beginners electronics project

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    The In-Laws have just moved house. I say move house, but what I mean is sold their old self-build, bought a field in deepest darkest Norfolk and are planning to self-build again. This is great news because it means they’ve got a blank canvas to fill with numerous eco-build projects. The first of which is…

  • Stepper Motors Part 2

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    Hopefully some of you are still with me, and you haven’t blown up your supply, switching device or coil. Before we continue I’d like to ask a question; what current can your supply handle? Let’s take a brief look at Ohm’s Law, or at least the mathematical equation describing Ohm’s Law. The equation V=IR is…

  • Introduction to Stepper Motors

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    If you are reading this, then you probably want to know more about stepper motors. I will start at the basics and work my way up. I am going to be referring to the permanent magnet 2 phase variety. Other stepper motors exist but are beyond the scope of this article. A stepper motor is…