HBAutomacion

How does a resistive voltage divider work?

Introduction A resistive voltage divider is an arrangement of two resistances in series that allows us to have at the midpoint a fraction of the voltage at the ends. Applications of a resistive divider The divider with potentiometer is usually used as an analog input in the frequency driver of the motors. Using the potentiometer …

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Industrial process simulation with graphical environment

Introduction In this post I’m going to show an industrial simulation that I did some time ago trying to combine automation with PLC and Unity graphical environment. The experiment consists in the simulation of a pulp line made with the graphic engine Unity, the idea is similar to SCADA (control system and data acquisition) only …

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What is electrical resistance? – Simple circuits

Introduction In this article we will see the concept of electrical resistance, resistive elements and we will analyze a simple circuit to see the effect it has on the current. What is electrical resistance? It is a property of matter that indicates the difficulty that the electric current has in crossing it. There are materials …

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What is electricity? – Concept of electric charge

Introduction Electricity is so present in our daily lives that we often forget its importance until suddenly a blackout occurs. In this article we will look at the concept of electricity, its application in the home and industry. We are also going to delve into the nature of matter in order to understand where electricity …

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