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Creative Commons Licenses

The copyright law submits (at least in theory) its works to a regulation on their very restrictive use (Copyright or "All rights reserved"). It can often be profitable for the author to share his work with the users in order to spread it as much as possible.

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Dangers of electricity

It is my intention to highlight, with this article, the great danger of electricity, today too often underestimated due to the lack of a proper and continuous training for both overconfidence and carelessness.

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Starting with the Raspberry Pi (part 3)

We explored a bit of Python and threw the basics to work with the Gpio. The article came very long but I hope to have satisfied the needs of newcomers and to have tickled the curiosity of those who discover for the first time the Raspberry Pi.

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Units of measurement: representation and writing rules

Over the course of my career as a designer of electrical systems and technical manager of various companies, I have often heard, especially from the experts; The mains voltage is 220 volts, or you receive documents with units of measurement incorrectly written, incomplete and sometimes even completely incomprehensible.

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The Legislative Basis of Electrical Safety

The purpose of this article and those that follow is to discuss the issues relating to electrical safety from design to maintenance. In this article we talk about the basis of the legislation and regulation of the electrical safety. The safety of people and things can not be separated from the rules and laws which must be interpreted and applied correctly. Before discussing the technical issues of electrical safety I need to properly address the legal rules that elect the security against accidents as a right of all citizens and workers in particular.

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Starting with the Raspberry Pi (part 1)

I always wanted to be able to control my electronic and multimedia equipment with a simple and flexible system, that could be easily installable and configurable. After working so much with the PIC and having tried Arduino, I found the definitive solution: the latest model of Raspberry Pi currently on the market is the Raspberry Pi 3.

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Determination of the average illuminance

Generally, especially in the application of the levels prescribed by the current regulations, when it comes to illumination, it means a level of average illumination of the Em, that is the average value of illumination on the working plane of the environment Considered, referring to an average ageing state and during the ordinary exercise of the illuminating equipment, while in the generality of the measures one tends to detect a series of illuminants

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Electrical wires and cables

A cable is defined as the set of conductors, insulators, sheaths and armor protection or shielding, specifically built to carry the current both for energy transportation and for signal transmission