Welcome

Electrical e-Library at CERN (Part 2)

Continuing the visit to CERN. This second and last part is about the permanent exhibition of Microcosm and the guided tour.

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 Energy

Electrical e-Library at CERN (Part 2)

Continuing the visit to CERN. This second and last part is about the permanent exhibition of Microcosm and the guided tour.

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Electronics

Circuito RL

RL circuit analysis

Today is shown how to do RL circuit analysis which have resistors, switches and inductors.

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 Telecomunications

Barcode types (Part 1)

Exist barcode types with many shapes, series and applications. Some of them are shown in the first part about the subject.

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 Robotics

What are degrees of freedom?

This post’s subject are degrees of freedom (DOF). The concept in mechanics and how to calculate DOF in a mechanical system.

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Projects

Unboxing of a robotic arm

This is a kit of 6 DOF robotic arm with aluminum pieces to assemble. It doesn’t come with servomotors neither instruction manual.

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Environment

How the biodigester works?

I received doubt messages about biodigester. It is a way to generate energy from biomass, whose operation is this post`s subject.

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News

Discovery by Chang’e 4

Do you remember the news about Chinese spacecraft in the dark side of moon? This mission discovered something about lunar surface.

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To see older posts, click in the subjects (Projects, Energy, Electronics, Robotics, Telecommunications, Environment and News)

 

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