sound recognition
Hi,I am trying to develop a program which should respond on a certain DTMF tone. For example; if digit 1 is pressed an led should light up. The only problem I am having is how to recognize the specific...
View Articlefile listener
Hi, Is there a way to get an event when a file is modified (file listener) without polling the file system to detect the change? Thanks in advance! Jean-Daniel
View Articleacceleration to displacement for active suspension bench
my application is an active suspension project i need to measure the acceleration and doing two integration to get the position for an accelerometer sensor. I found many codes ,it works just in...
View Articlelimit event firing frequency with graph scale value change
When using the hand tool on an x,y graph, the scale value change event triggers repeatedly, which causes a backup in my state machine queue and a resultant delay in screeen updating. I would like it to...
View ArticleSimulate an FPGA VI on cRIO (Not Host)
Hi Everyone, I have a remote installation that's running a cRIO and four ethernet FPGA expansion chassis. We've recently blown a fuse and one of the expansion chassis is not running. We won't be able...
View ArticleHex to Decimal Conversion
Hello all, I want to convert Hex data to Decimal data. I will get Hex data and Bit Length. As per bit length I’m changing my data type (i.e. I8, I16, I32 or I64). Please help me, my understanding is...
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Waveform file saved in 2013 causes crash when reading by a VI written in...
Hi all, My company has a legacy program, contains a lot of VIs, which was written in LabVIEW 6 and 7. I write a "stepwave"VI in 2013 (see attachment), which runs fine and saves a step waveform. Then,...
View Articlelocal variable and control & simulation loop, variable updates
Hi, I am using local variable in my discrete system( creating a while loop ouside the control & simulation loop, as shown in the attachment). I use the control & simulation loop to simulate my...
View ArticleLabVIEW 2013: An error occured trying to load the assembly
Hey all, I'm trying to load a .NET 4.5 dll into LabVIEW 2013.When I place any of the .NET VIs and try to select the one I'm after it says "An error occured trying to load the assembly" and won't let me...
View ArticlePLC FESTO connect to LabVIEW
Hi!! Please, help me!; I need connect a PLC FESTO FC660 with LabVIEW, I was Looking in DATABASE of OPC of National Instruments But I not Find FESTO, somebody, can I help me? Thanks Best Regards
View ArticleRobotics
Hello all, As part of my university final year project I have to design some mobile robot simulations.I've based my code upon the multiple robots in maze example, what I have done is taken out one of...
View Articlesupervisory
I have a NIMYDAQ student Kit, with LabView and multisim student edition. I want to configure the Labview to work as a supervisory system, to design screens with process flowchart, control loops,...
View ArticleCannot change vi back to edit mode.
Hello, I saved a vi so that when it was opened it would come up in run mode using "vi properties", "protection", "locked" but when I open the vi it will not let change it back to edit mode (ctrl-m is...
View ArticleCan't save changes to a .vi
I have a .vi that references a database.dsn file on the computer's C: drive. I would like to change the file location. I can change the path in the .vi that points to the new location, and I can run...
View ArticleLabview 2014 Release Date?
Anyone know when the general released version of Labview 2014 will be made available?
View ArticleThorlabs Beam Profiler Interface with Labview?
I am trying to interface directly with a Thorlabs Slit Beam Pofiler and while they have sent me some drivers and example program, nothing seems to be giving me the right outputs. If I use basic VISA...
View Articlefiles not being found in built application
Version: 2012 SP1 f5Key Words: Build Application, <userlib>, DAQmx I have a project with a Main.vi and and a Sub.vi, both of which make multiple calls to DAQmx vi's in libraries (*.llb).The...
View ArticleStellaris EVALBOT
Hello!I have a stellaris EVALBOT with a LM3S9B92 microcontroller on it. I used to program the LM3S8962 Luminary Micro with LabVIEW. Is there any way to use LabVIEW with the EVALBOT's controller? If...
View ArticleLabview using a stepper motor
Using a stepper motor to run a conveyor belt with 5 sensor and receivers. A start button is pressed to start the motor, once object breaks sensor want motor to stop for period of time then move on. Can...
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