Wednesday 30 November 2016

Dangers of IoT

Daq
Similarly, as with any buzz point in the tech world, there's a great deal of paranoia around the Internet of Things. Furthermore, in the security circle, there's much pointless FUD - Fear, Uncertainty, and Doubt – spread by industry sellers to get individuals appropriately frightened so they sprinkle money on purportedly essential assurance.
Take the instance of the spamming icebox. Scientists proposed the savvy ice chest had been bargained to hand-off reams of irritating messages, as frequently happens to typical PCs. However, Symantec found the ice chest was basically on a similar system and utilizing a similar IP address as a hacked Windows PC, which was truly the thing in charge of the spam. Advanced listeria this was most certainly not.
However, there are motivations to be frightful of the Internet of Things (IoT), a name covering the systems of implanted gadgets, from brilliant meters to associated cars, which speak with each other in a computerized design to make our lives more effective.
Such associated, self-sufficient machines have been around for a considerable length of time, yet the reason it is presently on the tips of tech firms' PR tongues each day is that quantity of associated gadgets is rising quickly into new ranges, similar to toothbrushes and bathtubs. As per Gartner gauges, the IoT will comprise of 26 billion units by 2020, and at that point, the business will be worth $300 billion.
The issue is that a significant number of the producers of these machines are not adopting the safe by-outline strategy. They are learning at work right now.

Tuesday 29 November 2016

DAQ Dictionary: I

Data acquisition software
The newest edition of DAQ dictionary brings the most important terms in data acquisition starting with the letter I. It was hard to narrow down the list to only one article, but we believe the choice is right.
I
The symbol for electric current.
I/O
Input/Output. A data acquisition system monitors signals via its inputs and sends control signals through its outputs.
IC
Integrated Circuit . Electronic parts contrived on a semiconductor substrate which can’t be split without losing its function.
IML
Interface Management Language. A programming language used to communicate with measurement devices.
Inductance
The immensity of a magnetic field shaped by a circuit carrying a current. This can cause higher voltages in the circuit.
Input
Data entering a device from the location. A signal being observed by a data acquisition system.
Instrument
Any piece of electrical or electronic equipment which is intended to carry out an exact function or set of roles.
Integer
A positive or negative whole number or zero.
Interface
A shared border. It might be a part of hardware used between two bits of equipment, or a software display cooperating between the computer system and the people who use it.
Interpreter
Software allowing a computer to run programs statement by statement.
Interrupt
An outside signal triggering the execution of a program to be postponed.
Integrating A-D Converter
An integrating A-D converter averages the input signal over a span of time. This is beneficial when the signal to be measured varies gradually. By averaging the signal the converter assistances reduce unwanted signal contamination (noise).
Integration Time
The period of time over which an integrating A-D converter averages the input signal. If selected suitably will average over a complete mains cycle thereby helping to reduce mains frequency interference.
ISA
Industry Standard Architecture. An ISA expansion slot lets you plug data acquisition boards into PCs.
ISO
International Organization for Standardization, which is made up of national members.
IP Address
Each PC on the network has an IP Address. This is in truth a 32-bit binary number. As such numbers are not user-friendly they are typically presented in Dotted Decimal Notation. You can see this address as being approximately like a postal address.
Isolation
Two circuits are isolated when there is no direct electrical connection between them.
Isolation Between Inputs
A fleeting at an input can also spread to other equipment connected to that input. This is prohibited by providing isolation among inputs.

Monday 28 November 2016

Perl Scripts in LabVIEW

labview developers
As Perl is not locally upheld by Windows and LabVIEW , different instruments are required keeping in mind the end goal to execute the scripts accurately. As the scripts were produced on Linux, there was never an issue running them building up the LabVIEW application.
Initially, we should have the capacity to execute the Perl scripts on Windows, then we can proceed onward to LabVIEW. The device I am utilizing is called Cygwin.Cygwin is a vast gathering of GNU and Open Source instruments which give usefulness like a Linux circulation on Windows and a DLL (cygwin1.dll) which gives significant POSIX API usefulness.
These steps are all you need to do to install it:
•    Download and install the version you need for your PC
•    Select the Root Directory (C:\Users\gpayne)
•    Select the Local Package directory (C:\cygwin)
•    Select Available Download Sites: http://cygwin.mirror.constant.com
At the point when selecting bundles to ensure you select Perl(under Interpreters Group) and ssh (under Net Group) bundles.
Guaranteed to add the easy route to the desktop . Once introduced, running the easy route on the desktop will open a terminal. The PWD order will give you the area and ought to be the same as set by the Root Directory above. Make a Perl script in that catalog
To execute an outer application from LabVIEW, one path is to utilize the System Exec vi. This spreads executing the application/script, however, Windows is still not ready to run a Perl script in the event that it is just called. The bash help records are additionally useful so from the terminal sort bash - help or bash - c "set".
This would execute the Perl script with bash running in Mint. This was all great until the standard yield was not being accounted for back to LabVIEW.
This is effectively explained by funneling the standard yield from the script to a record and after that get LabVIEW to peruse the document once the script exits. This adds an additional progression, yet by executing the script thusly, it runs and exits neatly without fail, being a great deal more dependable than utilizing the clump document.

Sunday 27 November 2016

DAQ Dictionary: G-H

Daq
The newest part of our DAQ dictionary is here, learn about the terms that start with G and H.

Gain

Strengthening of a circuit.

Gain Range

The maximum and minimum voltage that will be digitized by the A-D converter is occasionally named the gain range.

Gateway

After your computer wants to contact a device on additional subnet it sends the message through the Gateway. This is an extra PC which transmits the note to the destination address. Your computer needs to recognize the IP Address of the Gateway.

GIS

Geographic information system. Location at which data is collected, stored, displayed and recognized according to its location.

GPIB

General Purpose Interface Bus. Also known as the IEEE-488 bus. The GPIB standard was intended to connect several devices to computers for data acquisition and control.

GPRS

General Packet Radio Service.

Ground-Truthed

In cases when data is collected by remote sensing methods, ground-truthing authorizes that the information is correct. Ground-truthing is collecting data by non-remote detecting means.

Handshaking

The RS232 protocol includes handshaking (also known as flow control). Even though this is often not essential, it has two purposes: It permits the computer to stop your device from sending data when the PC is not prepared for it; and it also lets your instrument stop the PC from sending data when the device not ready for it.

HART

Highway Addressable Remote Terminal. Delivers digital communication to microprocessor-based (smart) analog process switch devices.

Hertz (Hz)

Cycles per second, the unit of frequency.

Hexadecimal
 

A counting scheme based on 16.

High Pass Filter

In situations where a low-level transducer signal is overlaid on a big dc output voltage, a high-pass filter might be valuable. This weakens (removes) low frequencies. This can be a particular problem with biological and biochemical signals, but not frequently with up-to-date electronic signals.

Human machine interface (HMI)

Also called man-machine interface. This is the communication between the computer system and the persons who use it.

Friday 25 November 2016

How Spectrophotometer Works?

spectrometer
In order to accurately understand how does a spectrophotometer work, the first thing you need to understand is how color functions. This is a wide topic, so for this article, let’s have a fast overview. Color consists of wavelengths of light and we can split it into six categories:
•    X-rays
•    Ultraviolet
•    Visible light
•    Infrared
•    Microwaves
•    Radio waves
You can see from the list above that visible light is somewhere in between other categories, and this is what the spectrophotometer analyzes to create the desired color. The visible light spectrum is composed of red, orange, yellow, green, blue, indigo and violet. These are seven colors of which all the different colors we can see with the naked eye are created. Now don’t get confused with the absence of black and white. Black is the actually present when there is no color, and white is made up of all of these colors combined. A spectrophotometer is, in fact, a relatively simple device. The primary parts of a spectrophotometer are:
•    Source of illumination
•    Interference filters that are powered by stepper motor
•    Detector (also known as photodiode)
•    Readout device
Since it's comprised of the greater part of the hues in the noticeable range, white light is the enlightenment source utilized as a part of a spectrophotometer, as a tungsten knob or in more propelled models, a Light Emitting Diode (LED). A clasp situated on the outside of the machine holds the paint test to be coordinated, and white light is overflowed onto the example. This light is reflected off the specimen once more into the machine and onto a little wheel. The wheel is a profoundly effective shading analyzer, comprising of various obstruction channels and controlled by a stepper engine, which is known for its accuracy.
Unmistakable light is measured in nanometers, which is a modest unit of estimation in the metric framework, equivalent to one-billionth of a meter. Every channel is customized to permit a particular wavelength of light to go through it, and every wavelength is inside a specific scope of nanometers. The noticeable light range ranges from the reds at 400 nm to the blues in the 700nm territory, and the most productive wheels have channels that handle interims of 10 nm each.

Thursday 24 November 2016

What is a Spectrophotometer?

Spectra measurement
Did you know the color can be measured? Spectrophotometers are devices made for that purpose--  to capture and assess color. As a portion of a color control program, product owners and inventors use them to stipulate and connect colors, and industrialists use them to screen color correctness through manufacture. Spectrophotometers are able to measure almost anything, from liquids and plastics, to paper, metal, and fabrics. These devices help on a mission to make sure that color stays consistent from the beginning to delivery
There are three main types of spectrophotometers, the one you should choose depends on the reason you need it for.

0º/45º (or 45º/0º)

The most widely recognized spectrophotometer, this instrument measures light reflected at a settled point to the example, generally 45˚, and can avoid gleam to most nearly recreate how the human eye sees shading. They are regularly utilized for measuring shading on smooth or matte surfaces.

Spherical

Round instruments can quantify light reflected at all points to ascertain shading estimations that nearly coordinate what a human eye would see. They are normally utilized for measuring shading that has been connected to finished surfaces, for example, materials, floor coverings and plastics, and additionally sparkling or reflect like surfaces, including metallic inks, printing overthwart, and other very lustrous surfaces.

Multi-Angle

A multi-point instrument sees the shade of an example as though it is being moved forward and backward, similarly as you would curve a specimen to see the shading on different edges. Today's multi-point instruments are utilized for uniquely covered shades and enhancement hues with added substances, for example, mica and pearlescent, for example, nail clean and car coatings.

DAQ Dictionary: E-F

Data acquisition device
The new part of DAQ dictionary brings the terms starting with E and F. Enjoy!

Electromotive Force 

Alteration of potential created by sources of electrical energy that can be used to drive currents through external circuits. The unit is volt.

Endurance limit

In fatigue testing, the amount of cycles which may be endured without failure at a specific level of pressure.

EIA

Electronic Industries Association.

Ethernet

A local area network through which you may connect your data acquisition devices.

E-Type Thermocouple

Chromel-constantan thermocouple with a temperature variety of 0 to 800 C.

Excitation

The voltage or current smeared to a transducer.

External Trigger

The trigger causes the beginning of data acquisition. External triggers let you synchronize data acquisition with outside events.

Fall Time

The time needed for a signal to alter from a indicated high value to a stated low value. Typically measured as the time to fall from 90% to 10% of the step height or full amplitude.

Farad

Unit of capacitance.

Farenheit

A temperature scale where the freezing point of water is 32 degrees and the boiling point 212 degrees. Outdated for scientific purposes by Celsius. Symbol is F.

Fast Fourier Transfer (FFT)

An examination algorithm - given a finite set of data points, the FFT expresses the data in terms of its constituent incidences.

FIFO buffer

A first in, first out, store. The first value placed in the queue is the first value later read.

Filtering

Weakens components of a signal that are unwanted: decreases sound faults in a signal.

Frequency

Measured in hertz (cycles per second), degree of recurrence of alterations.

Frequency Counter

Totals numerical pulses over a defined entry time. A typical entry time is amid 0.1 and 10 seconds.

Front panel

The front exterior of a unit, usually having switches and indicator lights.

Full Scale Output

The alteration between the minimum output (normally zero) of a data acquisition device and the valued volume.

Wednesday 23 November 2016

How to Make Sure Your LabVIEW Based Project will Succeed

Labview freelancer consultant
Freelance LabVIEW projects do not have to be a nightmare if you do all the steps necessary and plan ahead. We've prepared this article to help you become a better LabVIEW expert.
Have a procedure, proclaim it, create to it and enhance it. That way your client knows how you work, your engineers comprehend what you anticipate from them. In the event that you go into a venture without a procedure it will be heedless and the more muddled activities will truly battle. On the off chance that you are utilizing contractual workers, you ought to guarantee that they comprehend your procedures.
The hardest part of any venture is completing it off. In any case, this is really the most imperative thing, I know it sounds absurd yet we've brought home the bacon recouping deserted activities. Since forsaking activities is, terrible for client relations!
Not all undertakings go well, we are in the matter of prototyping and bespoke programming is troublesome. It's why professional LabVIEW experts charge a lot.
You will undoubtedly endure a fizzled extend by doling out 5 recently qualified CLAs, straight out of college, with no earlier venture involvement, to anything complex. On the off chance that you relegate a group of architects that have effectively finished different tasks, it will most likely succeed.
Chiefs by and large battle with this idea and I have seen many new LabVIEW developers put under intolerable weight in light of the fact that their organization has paid for the preparation and LabVIEW is simple!
There is an excessive amount of dialog about how some system is better. In all actuality any strategy is superior to none, a system your designers are OK with is a greatly significant thing.
One thing I would add that your strategy should have the capacity to adapt to changes toward the end of the venture.
Discussing hazard, your procedure ought to dependably push hazard to the front. Continuously, dependably, dependably. This can be uncomfortable and normal human intuition is to get moment delight by doing the simple stuff first. So on the off chance that you presume that the clients necessities are not being communicated, then supply models. In the event that equipment issues require comprehending, illuminate them first.

Tuesday 22 November 2016

DAQ Dictionary: D

Data acquisition
We’ve learned so far that data acquisition is a vast area to be learned over night. That’s why we’re trying to get into detail and explain the most important terms used when it comes to daq. Enjoy this part and stay tuned, the new article will come out soon.

DAC 

Acronym for data acquisition and control.

DAQ

The popular term for data acquisition.

Data Acquisition

The automatic gathering of data from sensors, tools and devices.

Data Logger

An electronic device that assembles and saves data over time. May be a stand-alone device or connected to a PC.

Data Logging

Measuring and recording readings during a period of time.

Data Persistence

The period during which data is valid. As soon as data has been read from a device it is saved and returned as a valid reading.

DCE

Data Circuit-Terminating Equipment or Data Communications Equipment.

Decibel

A logarithmic measure of the ratio between two quantities. Symbol dB.

Device

An external which connects to the PC.

Digital Input

A digital signal entering a data acquisition device.

Digital Output

A digital signal produced by the data acquisition and control equipment.

Digital-to-Analogue (D-A) Converter

Used to create analog output signals. These are either control signals or synthesized waveforms.

Direct Current (dc)

Current that flows in one direction.

Driver

A software that controls a device. Each device has its own set of commands that driver comprehends, and can translate for other software.

DTE

Data Terminal Equipment. It is part of the RS232 standard.

Dynamic Crosstalk

When one channel's signal effects an unwanted result on another.

Dynamic IP Address

A device can get its IP Address assigned when it powers up. This uses a process called Dynamic Host Configuration Protocol (DHCP).

Dynamic Range

The proportion of the biggest to the tiniest signal that can be measured at one time. Generally expressed in Decibels (dB). The maximum signal is usually the analogue-to-digital converter's full-scale signal.

Monday 21 November 2016

The Basics of Testing – Part 2

Automation
We continue with educating our readers, this time with part two of the basics of testing series. Who knows, maybe this craves a path for you on a mission to become professional LabVIEW expert.
Conveying test framework programming to target machines is a basic stride in the testing procedure, however, it's regularly the most monotonous and disappointing one. Adding to that test: the plenitude of arrangement techniques accessible and the numerous contemplations test framework engineers confront.
The outline and improvement of automated test equipment (ATE) introduce a large group of difficulties, from starting arranging through equipment and programming advancement to the conclusive mix. At every phase of the procedure, changes turn out to be more troublesome and expensive to actualize.
Great arranging goes far toward moderating danger, however, it can't keep each issue, particularly in when issues emerge at definite coordination. It might be anything but difficult to state "simply alter it in programming," however equipment and programming are interwoven and issues regularly oblige redesigns to both.
Measured quality, adaptability, and versatility are basic to an effective computerized utilitarian test framework. From an equipment point of view, secluded instrumentation and exchangeable test apparatuses make this conceivable. However, how might you make the test programming similarly as versatile? Equipment abstraction layers (HALs) and measurement abstraction layers (MALs) are probably the most compelling outline designs for this errand.
An HAL is a code interface that gives application programming the capacity to communicate with instruments at a general level, instead of a gadget particular level. A MAL is a product interface that gives abnormal state activities that can be performed on an arrangement of dreamy equipment. As it were: HALs give a nonspecific interface to speak with instruments from the instrument's perspective, while MALs are a product interface that gives abnormal state activities performed on an arrangement of disconnected equipment. Printer discoursed are a magnificent ordinary utilization of an HAL/MAL.
In the test and estimation world, utilizing abstraction layers comes about as a part of a test grouping that is speedier to create, less demanding to keep up, and more versatile to new instruments and necessities. Utilizing equipment abstraction to decouple the equipment and programming gives your specialists the capacity to work in parallel.

Sunday 20 November 2016

Daq Dictionary: B-C

Daq
The daq dictionary continues with B-C part with a goal to get you closer to data acquisition.

Backbone

The main multi-channel link in a network that branches into smaller links.

Background noise

Inessential signals someone may confuse with measured signals.

Batch process

Any procedure on which processes is carried out on a limited number of articles.

Bathymetry

Measuring of the depths of geographies at the bottommost of the sea, especially by echo-sounding.

Bipolar

A signal that varies between a negative and a positive value.

Bluetooth

Short-range wireless communication.

B-Type Thermocouple

Platinum-rhodium thermocouple with a temperature variation of 600 to >1700 C.

Bus

Sends data from the data acquisition system to a computer. Network systems like ethernet are not generally regarded as buses.

Cable Gland

Locks electric cable entering equipment and provides a closure between the external and internal exteriors of the gear.

Calibration

Calibration compares a data acquisition device's performance to an accuracy standard and adjusts the performance as necessary.

Celsius

A scale for temperature measurement in which the freezing point of water is 0 and the boiling point 100 degrees. The symbol is C.

Cold Junction

The reference junction of a thermocouple which is kept at a constant temperature.

COM port

A connection on a computer into which a serial device may be plugged.

Common-Mode Signal

A signal smeared simultaneously to both inputs of a differential amplifier.

Contact Rating

Refers to the power that can be safely switched with a relay. Quoted for non-reactive load, that is without capacitance or inductance.

CMOS

Complimentary metal-oxide semiconductor.

Crosstalk

When one channel's signal causes an undesired effect on another.

Current

Current is used to transmit signals in noisy environments.

Friday 18 November 2016

The Basics of Testing – Part 1

automation
In a perfect situation, each engineer would have plenty of time to develop and test their software. Unfortunately, we don’t live in a perfect world, and the occasion to get time to do everything is not that common.
Since we know you work in a universe of light discharge plans and requesting venture courses of events, we comprehend that you have to maintain a strategic distance from an expanded hazard to timetable, cost, and execution. It's vital to consider every one of the parts of an estimation framework; from the instrumentation chose to the nature of the associations and links to the execution of the estimation philosophy.
However, when was the last time you considered the effect thermals can have on estimation quality and framework unwavering quality?
Thermals ought to get a huge thought in your test framework as your estimation results can rapidly get to be problematic if your instrumentation is working outside of the predetermined temperature run.
Exchanging or multiplexing (MUX) can be a savvy and productive alternative for extending the channel check of your automation, however, there's significantly more that goes into it than you might suspect.
In any case, it doesn't stop there. Notwithstanding picking the right design for your test framework, you additionally need to choose the right topology for your application. A few applications are sufficiently straightforward to utilize a universally useful transfer; however, others require networks for making muddled signal courses between your gadget under test and instrumentation. Once more, we have you secured by giving proposals and best practices.
What's more, if that wasn't sufficient, you additionally need to choose the right sort of hand-off (reed, electromechanical, strong state, and so forth.) for your application and signal sorts.
This is just the first part, hold on, more articles are on the way!

Thursday 17 November 2016

DAQ Dictionary – A

Daq
In this new series, we’re going to go through the alphabet of data acquisition and try to closely explain the terms used in the field. The articles with new terms will be published twice a week, so make sure you don’t miss any of them if you want to learn the “language” of data acquisition. First things first, we start with A.

Absolute Accuracy

How close the measured value is to the real value.

Acquisition Time

Also known as Sample and Hold Acquisition Time, this term is for the time taken for the sampling circuit to settle to the input voltage.

A/D, A-D, ADC, Analogue-to-Digital Converter

Changes an analog signal into a digital signal appropriate for input to a computer.

Alternating Current (AC)

Electric current whose flow alternates the direction. The number of times the direction changes in one second is called the frequency. The usual waveform of AC is sinusoidal.

Alias

A representation of a high-frequency waveform that has been sampled at a very low rate. Take a look at  anti-alias filter for further understanding.

Ampere (A)

SI unit of electric current.

Amplifier

A circuit that creates a greater output power, voltage or current than was applied at the input.

Amplitude

The size of a signal.

Analogue-to-Digital (A-D) Converter

Changes an analog signal to a digital signal suitable for input to a computer.

Analogue Input

A substantially flexible signal going into a data acquisition device. This is usually a voltage signal. In this case, the data acquisition device will convert the current to a voltage before accepting it.

Analogue Output

A control signal produced by the data acquisition and control equipment.

Anti-Alias Filter

An anti-alias filter that allows passing through the lower occurrence components of a signal but not higher frequencies signals from introducing distortion. Anti-alias filters are indicated agreeing to the sampling rate of the system and there must be one filter per input signal.

Argument

Input parameter to a program.

ASCII

American Standard Code for Information Interchange.
We’re done with the terms from daq starting with A, the following article will be on B-C. Stay tuned and follow the whole series!

Wednesday 16 November 2016

Tablets for Data Acquisition?

Daq
In the drive to lighter and smaller data acquisition frameworks, tablet PCs bring an incredible interest. Desktop PCs gave engineers the ability to make custom test and estimation applications. PCs builds the capacity to make littler and more compact DAQ frameworks. Are tablet PCs the characteristic advancement of this pattern?
While infiltration of tablets still slacks that of conventional PCs, the development rate of tablets has been sensational. Tablet deals grew 78.4% in 2012. It is anticipated that tablet deals will outperform desktop deals in 2016 and versatile PCs In 2017. The development in tablets, be that as it may, has not yet infiltrated the building lab. Since both desktop and portable workstation stages shared a great part of a similar framework – microchips, working frameworks, and programming dialect – the move from desktop PC to tablet was generally consistent. Tablets, then again, bolster diverse programming dialects, keep running under an alternate working framework, and have a less preparing force and availability choices than their PC partners.
The main two programming dialects for custom DAQ applications – C# and National Instruments LabVIEW are not upheld in either Android or iOS – and USB, a typical data acquisition transport, can empty valuable power out of tablet batteries.
ReadyDAQ’s role in data acquisition is to create software. Data logger software we make is based on LabVIEW, our company is partnered with NI and the products we offer are among the best on the market. Get a free quote and try our 30-day trial version today!

Tuesday 15 November 2016

Time Sensitive Networks

Labview expert
In spite of emerging from the stagnant and typically slow moving field of standards bodies, time sensitive networks did not take long to enter the game and bring some key IoT applications,from electrical power grids to autonomous vehicles.
First of all, the difficulties that can exist amongst IT and OT aggregates inside associations aren't simply basic or philosophical—they can be specialized as well. By interfacing a control arrange running a few electrical "fans" to an IT system that conveyed some video movement without incorporating support for the sort of basic planning synchronization abilities that Time delicate systems offer, the operation of the control system was adversely affected. In any case, by utilizing the TSN bolster, alongside an arrangement of TSN-empowered switches, the two systems could gently exist together. The time-delicate control information was conveyed in a synchronous way over the system to keep up smooth operation of the fans, and the video activity proceeded too.
It is vital to synchronize free power sources keeping in mind the end goal to keep up a steady power framework. New wellsprings of force being added to the matrix, for example, wind and sun oriented, frequently touch base out of the stage with the current framework, making it hard to exploit these undeniably imperative new assets. In any case, by utilizing the planning and synchronization work, the augmentations can be made flawlessly.
Thinking about the future, it’s not hard to picture that time sensitive networks are going to be an essential part of industrial IoT applications in manufacturing and a whole lot of other areas. From the customer’s point of view, time sensitive networks will be the crucial part of the automotive world. Seems like great news for data acquisition and all LabVIEW experts.

Monday 14 November 2016

Say NO to Fixed Price Jobs and Tight Deadlines

Labview freelance projects
Yes, the headline is both for employers looking for LabVIEW experts as well as for LabVIEW developers. Why stop there, this may be applied to all freelance programmers. Now, giving such an advice cannot finish here, you’re probably asking why.

Quality?

I’ve seen hundreds of employers looking for high-quality work with either a low budget or a fixed amount. It doesn’t work that way. Excellence is achieved after hours and hours spent programming, testing, debugging, pulling your hair and nervously holding your hand not to punch the screen. A fixed price project will tie the hands of any professional LabVIEW expert. Hours bring value.

Deadline?

Similarly to the paragraph above, the tight deadline will not provide the quality you’ve wanted. And we all know that LabVIEW based projects cannot end well when the deadline is tight, which is usually the case with fixed-price jobs.

Earnings?

Requesting to be paid per hour is not a cheap trick to pull out as much money as possible, it’s simply to ensure that LabVIEW consultant or expert, as well as the employer, receive what they deserve – A product worthy of what it’s paid for.

Why?

Like you’ve (probably) asked this question at the start of the article, you need to ask the same question over and over again. Why does it need to be finished by this date? Why do you need so many hours to work on it? It goes on both sides and it should remove the slightest possibility of any misunderstandings that may occur.
At the end, none is going to remember you as the guy who delivered work on time, you get remembered by delivering the highest possible quality. That’s how LabVIEW freelance projects will allow you to create a name to  remember.

Sunday 13 November 2016

Tips for Improving Spectrum Measurement – Part 3

spectrometer

The third and the final part is finally here. We’ve gathered 3 more tips for spectrum measurement, and we conclude the series with this part. Hopefully, spectrometers won’t be that scary for you after reading this.

8. Watch out for RBW settings

The determination transmission capacity (RBW) control goes about as a channel permitting you to separate amongst wide and restricted signals in a similar traverse by changing the RBW esteem. On the off chance that RBW is too wide, the range analyzer will miss littler signals that may be shut into a bigger signal. With an extremely limit RBW, it can without much of a stretch separate the two signals that are near one another. In any case, a slender RBW will back off the range analyzer, implying that a more drawn out the signal term is required with a specific end goal to ensure the likelihood of block.

9. Real-time analysis helps to ensure that we notice randomly occurring events

Constant innovation is determined by the rate at which the yield can stay aware of the info. The range upgrade rate and the base occasion term are the key parameters. The execution is critical to having the capacity to see low-level signals and additionally signals inside a swarmed range; having the capacity to observe ranges and signals from each other. Higher execution range presentations can prepare more than 10,000 range redesigns every second, guaranteeing dependable disclosure of brief span occasions.

10. Density triggering should be used for time correlation of events

While the objective signal is missing, the thickness estimation describes the "typical" signals. At the point when the objective signal, at last, shows up, the thickness esteem increments. The trigger framework screens the thickness estimation and enacts a trigger at whatever point the thickness esteem surpasses the movable edge. The instrument can consequently set this edge to a level some place between the typical thickness readings and the thickness because of the inconvenience making a signal. This implies you can trigger on little signals even in a thick range environment.
Have you got any more of these tips? Please comment below or somewhere on our social media, we’d love to hear your insight.

Tips for Improving Spectrum Measurement – Part 2

spectrometer
We've started a new series of articles, this time about spectrum measurement. The second part brings four more tips to ease your everyday tasks with spectrometers. Enjoy!

4. Locating signals can be crucial

Utilizing a directional radio wire, the signal quality capacity on analyzers can empower you to characterize a particular signal inside a band of intrigue. As the level expands, the capable of being heard tonnes can permit you to boost the line of bearing. Urban areas are a specific issue since they are loaded with reflections. An ideal approach to adapt is to continue moving and to get however many lines of bearing as could be expected under the circumstances. The more lines of bearing, the littler the measure of vulnerability.

5. GPS Receiver is not the same as GPS Mapping

Attempting to make sense of where a signal or clamor is originating from can take quite a while. Geo-referenced estimations give situational information. With a GPS trigger motor, how regularly a signal happens and where it happens can be resolved to utilize either manual or mechanized drive estimations.

6. Signal identification can often not an easy task

A signal arrangement database can be utilized to recognize signals in light of their recurrence, involved transmission capacity and range signature, as appeared in the screen catch beneath, where the range analyzer could distinguish a signal as Bluetooth channel 39. Utilize the implicit library of signals and even modify it by adding your own signals to rapidly and unquestionably recognize signals.

7. Customizing your own signal database will spare you time in future

Attempting to distinguish a particular signal in a woodland of a spectrum is tough. A signal characterization database gives signal ID and also the way to stock your range data. You can stamp and recognize your range so that obscure emitters can be effectively identified.
No, we're not done with this! The third part is coming soon, make sure to check out our blog tomorrow!

Friday 11 November 2016

Tips for Improving Spectrum Measurement – Part 1

Spectrometer
The things are changing. Spectrum is getting more and more crowded, so detecting a single source can be challenging sometimes. It is crucial that people measuring spectrums are equipped with the best hardware as well as software solutions for spectra measurement. We have prepared 10 tips to help you improve your experience while measuring the spectrum. Here’s the first part.

1. Wireless technologies are using time varying signals that fit into a crowded spectrum

Well-known advancements like Wi-Fi and Bluetooth utilize time-changing signs in their outlines to adjust for swarmed ranges and to decrease impedance issues. Conventional test devices, for example, cleared tuned range analyzers are not improved for these new innovations. Gifted administrators and specialists are required to utilize the customary devices. Performing range mapping and pursuing down an obstruction flag regularly should be done rapidly. Additional means like going back and stack information into a guide, for example, require some serious energy and back of the general procedure.

2. Strong interferers are able to block reception and overload A/D converters, a wide dynamic range is essential

One vital necessity for range administration hardware is to have adequate element range and selectivity to abstain from sticking from interferers firmly situated to the coveted recurrence. Solid interferers can immerse simple to-computerized converters (ADCs), obstructing the gathering of a craved powerless flag. Solid interferers can likewise make intermodulation items in an analyzer that anticipate effective investigation of the craved flag. Having adequate element run permits the flag analyzer to isolate frail flags within the sight of solid signs.

3. Phase noise is always there, but excessive noise could hide signals

An analyzer's inward stage commotion can likewise be an essential trait for some signal capture applications. Indeed, even with exceptional element run, if the analyzer's neighborhood oscillator (LO) stage commotion is not adequately low, a few signs might be difficult to get. The LO in the analyzer's collector can darken the sought powerless signal. Once clouded, the demodulator can no longer observe the two signals and resolve one from the other, and the weaker signal is lost.
The last tip concludes the first part of the series. We hope to improve your experience while using spectrometers. Stay tuned, the second one is coming very soon!

Wednesday 9 November 2016

Internet of Everything

Automation
A large part of the Internet of Things are wireless transceivers combined with sensors, which can exist in almost anything physical – devices, machinery, infrastructure, even clothes. Normally, saying “wireless transceiver combined with sensors” every time would be at least awkward, so such a bulge of the IoT is called a mote. Every mote must have addressability, the state of being uniquely identifiable as well as traceable. The whole system that runs this is known as the Identity of Things (IDoT).
Our cars are already equipped with hundreds, if not thousands of sensors. Soon, they will communicate with the manufacturer for update checks, with other cars (V2V, or vehicle-to-vehicle), with the driver, of course (V2P, or vehicle-to-person), and with basically everything around them (V2I, or vehicle-to-infrastructure), which leads to the creation of IoV – Internet of Vehicles. Our health will be monitored constantly with dozens of both external and internal sensors. I’ve heard this being called BAN – Body Area Network.
Apparently, smart TVs and refrigerators are only an introduction to what’s about to come in our homes. Things like Internet-connected security systems, automation systems, robots, and many others are about to go through our door step. You’d like to watch the game or eat out? You’ll be notified which of your friends want to do the same thing, or if they already did it, so you can ask if it’s worthy.
You get the idea. In the end, we’ll have Internet of Everything (IoE), which takes us to the new level and surpasses the nature of IoT where only machines will communicate with each other. We’re also part of the equation.  Welcome to the future, stay connected.

Tuesday 8 November 2016

Where Are Temperature Data Loggers Used?

daq
Have you ever thought about where do temperature data loggers go after being manufactured? Me neither. But let’s talk about this for a moment. Data acquisition systems are all around us, so let’s see where are data loggers that measure temperature mostly used.

Museum Preservation

In order to prevent deterioration of natural history museum collections, strict rules have to be respected when it comes to temperature. Temperature data loggers conform with restrictions associated with historical landmarks while they monitor and maintain stable temperature/RH levels throughout thousands of museums
To be effective at their assigned task, they need to have real-time data, instant notification option as well as integrated memory to ensure no data is lost

Climate Monitoring

For every person living off agriculture, the two most important factors that are hard or impossible to control are weather and pests. Temperature data loggers almost completely solve this problem by constantly monitoring weather conditions to ensure plants are properly watered, minimize the amount of pesticides that is used and enable growers to actually achieve more by working less.

Cold Storage Temperature Monitoring

Is there a better tool to maintain safety standards at food production companies that require cold temperatures than data logger? Probably not. Every food production company thanks the creators of data acquisition systems for their reliable temperature control.

Water Monitoring

On the mission to restore and preserve the freshwater ecosystem, temperature data loggers are given an extremely important role. The aim to decrease water temperatures with a goal to increase the numbers of the fish is achievable with daq systems that constantly monitor water temperature and notify of any changes. The best thing? Everyone wins here.
Do you know of any other examples where we couldn’t live without temperature data loggers? Feel free to comment and let us know, we may write about it in some of our next articles.

Monday 7 November 2016

Why Graphical Programming isn’t More Popular?

labview developers
We’re facing an often asked, yet somehow a redundant question. Asking this is a little lie asking why picture books are less popular than books written using the alphabet.
The thing with programming is that once you have spent enough time learning it (the same applies for math or English) you realize that it is an extremely expressive and powerful tool that can express a large range of things in a precise way.
In fact, it's so great that once you are used to it, you can work so fast in it that visual tools are just the obstacles. Even with a language as simple as HTML, the one that actually CAN be visualized with editors like DreamWeaver, most professionals, and advanced amateurs tend to spend a huge amount of time in the textual part of the app.
We can program PCs utilizing different standards, and there are a few devices other than LabView. MIT's Scratch rings a bell and is a genuine endeavor at using a visual situation for programming. Sikuli is exceptionally fascinating, as it uses PC vision procedures to permit undertaking robotization on a desktop. Siri is additionally another endeavor at utilizing voice and could be utilized as a part without bounds as the reason for a programming domain.
Two things that strike a chord taking a gander at these option instruments is that they are displayed in the wake of something genuine and have a tendency to be area particular. I accept both elements are connected. LabView, for example, draws vigorously from this present reality equal parts from the logical and designing area. This includes some exchange offs that are not so much essential. I trust that in a leap forward is required, to perceive that present GUIs ought to include various types of connection than simply attempting to "imitate" something physical. I trust we'll see a greater amount of it coming as the tablets advance, and individuals begin to utilize a greater amount of the multitouch and accelerometer to permit control of the "virtual" environment. Individuals will outline new instruments and controls that are unrealistic in this present reality yet will carry on fine and dandy, and instinctively, in certain situations.

Sunday 6 November 2016

When the Data Gets Lost...

Data acquisition system
There are thousands of possible situations where data can get lost. Either someone forgot to move the data from the test machine to the final data store or the spreadsheet we were analyzing closed without saving any changes. And of course, if the data gets lost, we have to get back at some point in time and do the same thing all over again.
All of us have experienced that sometimes. Envision yourself taking a shot at a PowerPoint presentation and you are in your score. Out of the blue PowerPoint accidents and you noticed the last save you have was from 30 minutes back! Also, obviously auto-recovery doesn't completely catch the majority of the progressions you made in the most recent hour. So you say a couple of bad words, put your head down, and re-make the majority of the work you simply lost.
At the point when test information is lost, you experience a similar procedure. What's more, certain, the second time around it passes by quicker, however, in some cases this simply isn't an alternative and catching the information is basic.
Presently, as of now in LabVIEW, we have the venture to sort out and store your VIs, subVIs, controls, documentation, libraries, and so forth., however, our question to you is, "the place is the information?" Why is that information you are gathering in your application not consequently spared to the venture?
NI is putting resources into this correct situation to consequently spare information to the venture and to acquire data without programming (as talked about in a past blog). Presently, when you share a venture, the information records will be sent alongside the application. Simply think about the conceivable outcomes! At the point when there is a bug and the information is returning something other than what's expected than common, you can bundle up the entire venture to send to the investigating group. There could be a general increment in productivity since information will never be lost again.
The primary concern is, we all want to be as effective as possible when building up our application, and guaranteeing that the information is very much overseen is one of NI's needs for what's to come.

Quick Drop

Labview based projects
What’s the tool in LabVIEW that most new users don’t even know about, and experienced LabVIEW developers don’t appreciate enough? It’s Quick Drop. Let us try to introduce the tool to you and change the way you work with LabVIEW, for better, of course.
Quick Drop was introduced in 2009 with a mission to improve our productivity. Those who are not familiar with the tool are probably placing every new element on Block Diagram or Front Panel through Control Palette. The whole experience of placing a new node is pretty long.
On the other hand, Quick Drop makes this process extremely simple and it takes only a few seconds to learn how to use it.
Here are the basic steps of using Quick Drop:
•    Go to the Block Diagram (or Front Panel in case you want to place a control or an indicator)
•    Press Ctrl + Space shortcut
•    Name the function and hit enter
•    Place it at the desired location
Yes, it’s that simple. Why not try it now?

Quick Drop Shortcuts

Quick Drop’s default settings come with some extra keyboard shortcuts, and all of the are thoroughly described in LabVIEW help section.
Although it is difficult to understand for most of the new users and even for some of the more experienced LabVIEW experts, the advantages of using these shortcuts are huge.
The strength of Quick Drop is huge, and we hope you find this introductory guide helpful. However, this is not the end of it. Quick Drop comes with dozens of other, useful features which we may preview in some of our future blog posts.
Until then, work hard on your way to becoming a professional LabVIEW expert, who knows, you may be soon working as a freelance LabVIEW consultant!

Friday 4 November 2016

Aviation and IoT

Data acquisition system
In 2013, air traffic got to the number of 3 billion passengers around the world since 1970, which is a huge milestone.  It’s the safest, fastest and often the cheapest mean of transportation, so it is expected that these numbers will only rise. The part we’re especially interested in is the implementation of IoT into the airplanes.
A recent announcement from Rockwell Collins about their 8 billion deal with B/E Aerospace has gotten our attention as IoT will finally conquer the aviation. It is exciting to learn about future smart airplanes which will benefit both pilots and passengers.
Their plans are to integrate airplane components with data acquisition devices that will gather information and use it to improve the user-experience.  The passengers will have access to both in-the-air and ground services, while pilots will enjoy improved controls, flight tracking and overall control of the aircraft.
Although this merger is huge and created a giant in the industry, there is still a lot of space for small companies and start-ups to contribute to the industry. In fact, it is a rising trend that the awards have been given to start-ups developing IoT technologies.
This innovation allows companies to offer new business models to the passengers,  which will increase the revenue, while the passengers will have the option to choose what suits them best and enjoy flying even more.
The primary needs of flying for both passengers and companies are safety and speed, but there has been a recent rise of the need to fly smart, and we’re about to get this too.
Data acquisition is indeed applicable everywhere around us.

Wednesday 2 November 2016

What Could Happen During an Attempt to Hire a LabVIEW Consultant – The Answer

http://www.readydaq.com/professional-labview-expert

Truth be told, after more than fifteen years required in the test and estimations industry, I do see that connection between's various LabVIEW developers. Presently, we should comprehend what this distinction means with more substantial numbers. For straightforwardness of examination, we might expect that a specialist in LabVIEW and test and estimations, in this alluded as Programmer An, is 10 times more effective than a lesser master, named Programmer B. How about we now expect that Programmer A's going rate is $150/h, though Programmer B charges $15/h for his time. These are numbers that are not absolutely out of reality, as one can conceivably discover seaward LabVIEW software engineers charging figures near $15/h.
In considering the productivity calculate, an errand that would take Programmer A 100 hours and cost the organization a sum of $15,000, would be finished by Programmer B at 10 a.m. and cost the team the same $15,000. Presently, there are a few great contrasts in the yield of the two methodologies. The primary evident one is the open door cost. It would take the organization two and half weeks to achieve the right objective if utilizing Programmer A. It would take software engineer B more than six months to achieve the same purpose. In today's market surroundings of outrageous rivalry, this additional postponement in finishing a venture can cost an organization a huge number of dollars.
Another indicate that requirements are made the official establishment of the LabVIEW code base that is made by Programmer A versus the one created by Programmer B. Proficiency typically accompanies years of involvement in executing certain activities. An amazingly skilled software engineer realizes that a decent design is a thing that spares time toward the end. In this manner, Programmer A will in all probability convey something that is efficiently expandable, viable, particular and reusable. While, Programmer B will in all likelihood have burrow vision to the job needing to be done and will convey utilitarian code to the necessities, yet the code base will presumably not be as robust as the one created by his partner. The additional cost the organization will need to acquire with approach B will get to be evident in any overhaul or retrofit extend that obliges somebody to adjust the first code base.
What I am proposing here is that you get what you pay for. Hence, an hourly rate is not the most ideal approach to choose will's identify the best pick for a LabVIEW extend. Ensure you see how balanced the advisor is on test and estimations. In handy terms, take a gander at the expert's experience past simply the LabVIEW aptitudes. Comprehend the ventures the expert has encounter working with and also his investment administration abilities. Attempt to adjust your industry to an expert who took a shot at applications for the same business and ones who had the chance to work at a venture chief limit too. The most balanced experts will be the ones who will expand the arrival of the venture to the organization.

Tuesday 1 November 2016

What Could Happen During an Attempt to Hire a LabVIEW Consultant – The Question

labview expert
With LabVIEW rapidly turning into the standard application environment for test and estimations applications, clearly, a much higher number of LabVIEW software engineers are presently accessible to be procured than in past years. National Instruments has made an extraordinary showing with regards to in elevating LabVIEW to more active and more youthful children from school age the distance down to center school. The repercussion of that exertion is a much more noteworthy reception of LabVIEW by the up and coming era of researchers and architects.
This is admittedly impressive for the general test and estimations group as I am a major devotee to the force of solid rivalry as an approach to enhance an industry. Be that as it may, one quick propensity that is beginning to come to fruition is the commoditization of LabVIEW software engineers. This is fundamentals financial matters, the all the more something is made accessible, the less expensive it typically gets to be.
Also, with the lever globalization our reality has, and it will keep on achieving, it has gotten to be workable for individuals from all edges of the planet to associate by and by and professionally. The straightforwardness in association in addition to the way that LabVIEW has now an exceptionally solid worldwide client base have made accessible an incredible number of LabVIEW software engineers to organizations needing administrations.
So the question turns out to be how to procure the best LabVIEW software engineer for the occupation?
With LabVIEW turning into consistently and all the more capable programming dialect, it is reasonable for doing an examination of productivity in light of numbers from the Software building group. Numbers from the Software designing group recommend that a to a high degree capable master in a programming situation can be anyplace between 100-500 times more proficient than somebody who is only acquainted with the same environment.

The Traits of a Quality Software Engineer

labview projects
Programming advancement (or PC writing computer programs) is much similar to understanding the Rubik's Cube. I'll clarify what I mean.
There are two sorts of "Rubik's Cubist." The first type likes to discover from others how to understand it (utilizing a standard arrangement of moves), yet then practices these moves until they can unravel it without fall flat unfailingly.
The second sort responds to the call of unraveling the confuse sans preparation without offer assistance. This is clearly entangled and requires some serious energy and tolerance.
Programming improvement is a blend of these two procedures. By far most of the projects require a considerable amount of standard capacities, for example, record taking care of functions. The engineer needs to know these, much the same as the first kind of cubist needs to know the standard moves.
Be that as it may, practically every program has highlights that are interesting to it, and that should be made sense of precisely. A case of this would be the abnormal state structure, which is typically extraordinary to every program. A decent designer knows the standard instruments and can utilize them fittingly, however, can likewise take care of precarious rationale issues that are exclusive to the program he or she is creating.
A few cubists of the first sort have taken things to extremes and unravel the 3D shape in only a few moments, the present world record being 4.9 seconds.
Correspondingly, the best engineers are constantly quick to do things in the speediest and most efficient way. Strangely, when speed cubists tackle the solid shape, they concentrate on it for maybe 20 or 30 seconds before beginning. Similarly, great engineers realize that a lot of planning, as outlined work, is required before jumping into coding.
Finally, the cubist works autonomously of others. However, the best programming engineers are great at teaming up with other individuals who are included in the venture in general, for example, advertising specialists, administration and at times clients and different designers.
So in rundown, my attributes of good programming engineers are:
•    A decent learning of their dialect, including the standard building pieces they will utilize
•    A capacity to tackle precarious rationale issues
•    A cointense work rapidly and efficiently
•    A capacity to work together adequately with different experts who are included in the venture