To arrive at what we are now talking in terms of technology, have evolved over the past years, however, for this has been sampled, comparisons, and many other test parameters to developing the technology reaching unimaginable levels.
Today, all this technology around us and made it part of our lives, from the TV, DVD, mobile phones, to more complex machines for industry, without that progress would be stalled and why the technology makes the world in any field to move forward and create.
can not detract from the electronic conventional because it is that we always start without it we could not have come until today. In developing our hardware, we first use of instruments to sample and see their behavior either to adjust or see your response.
There are tools from the most elementary school for practical use, even the most sophisticated, digitized and better resolution for either commercial or industrial, on the other hand, currently diversity and dispersion of these instruments are by definition of its manufacturer, its architecture, its specific functionality and limited connectivity, although prices vary, maintaining them is expensive and without any introduction of new technologies to improve and update it. 
The most simple yet most complex in the field of electronics, is the meter stall, this evolved from very early times and thus its cost has also risen, before we could speak of a multimeter analog with a needle that was the extent to which perception that we were taking either current or voltage. Now the meter more austere, controlled from the AC direct current to the measurement of parameters in semiconductors such as diodes and transistors.
Another useful example for our online community, is the oscilloscope, although we can see the shape of the signal circuit develops . This is one of the instruments by the manufacturer, it should be tested before measuring, and adjusting, so you do not check error.
But that just talking about the oscilloscope that is where the signals come with it have also changed the ends with these samples are taken. Tips? Yes tips that make the signal taken by the electrical circuits inside carry an electronic device that corrects the way, and makes it look more accurate sample. As we talked together and seeing that they are the most accurate measurements possible to the theoretical.
, which also electronic field is and has made important progress today, are the games we could say that its artificial intelligence, stunning graphics and microprocessor make it look so real to situations as we do not imagine, virtual field has reached its high, and is also a technology that today can be used and match for the field of instrumentation.
For example, the X-Box 360, components and high definition, the memory that contains the microprocessor, and the use to which it gives, you could say that its base is a CPU only with the purpose of entertainment.
if set the implementation and deployment of video games, we would consider another application to more complex electronics, which is based on a PC, a purchase card data and an appropriate program for this, are sufficient to say that this projection is Virtual Instrumentation.
The basics in virtual instrumentation is software, the first step in this type to reach the external interface is the simulation, there are now a variety of programs laboratory simulation, which allows us to adapt to and even modify them ideal conditions to get a more theoretical. Even conditions of use are as real in its graphics, which we seem to see that we are in the same physical laboratory taking and comparing these samples.
With this, we can define the purpose of
The advantages of virtual instrumentation is that it can be defined by the user with an unlimited for operation and extensive applications, these in turn can be defined by software that enables an open architecture and that it may eventually incorporate new technologies for update. The acquisition is expensive, but prices are low maintenance.
international firms such as National Instruments have developed
These products are designed to maximize the delivery output of automated measurements, that 
are built with PC technology, measurements are based on highly optimized algorithms through the program , and in its interface high-speed synchronization optimizes the time between modules.
Phidgets international firm boom took to the field of virtual instrumentation, using the computer as a measuring tool with a more controlled and connected to the USB interface, for his significant drop in prices and the ease of connecting and programming this.
These USB devices very high technology, can measure and control a large variety of physical variables such as current, temperature, force, humidity, distance, pressure, rotation, displacement, vibration sensors, to name a few. Currently Studio Electronics signed an exclusive distribution agreement for our country
In this picture we see a real system is controlled by virtual control systems.
is important to note that this is done through a computer interface connected wing.
This figure shows a block diagram of a pumping system is automated, we note at the bottom of the image a small table in reference where the amount of pumping .
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