I want to do a project in Labview which controls 5 light bulbs which lights...
I want to do a project in Labview which controls 5 light bulbs which lights in a room. The switching on of light bulbs depend on amount of sunlight falling on a LDR. Small intensity of sunlight should...
View ArticleHow does NI 9411 card convert the digital input pulse given to output rpm?
I am measuring the shaft rpm using the encoder and feeding it to the 9411 card.Can the 9411 card display the shaft rpm? How the card can do this conversion?Should I use any other component to decode...
View ArticlePre-conditions for reentrant SubVIs to run in parallel
Hello! In my VI I have two preallocated clones of a SubVI, which I thought would run in a seperate thread each. This SubVI simply takes a reference to a double and increments it. The two clones...
View ArticleNested open vi references
I am Loading a VI dynamically in a sub panel with open VI reference. Which in turn calls multiple VIs Dynamically in background with open VI reference function and close them at the end. Also I am...
View Articledatataker string
Hello, I have a Datataker DT85 that I read Doubles and a String from in Labview. I managed to extract a Relative Time from the incoming String, but the value is not consistent, meaning I should get a...
View Article[bug] radix change in strict type def does not trigger a change
Just noticed that if I change the radix of a display in a strict type def it does not allow me to Apply Changes to update the controls (system numerics). I have to put in a "real" change like toggling...
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Timing violation in labview fpga
Hi memberin figure below you can see an time violation was happen in my IP integration the problem is how to calculate the maximum frequency from the numbers appeared in red block ???I try to connect...
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VI front panel won't close when it's done executing, when this vi was called...
I've created a simple vi set to demonstrate the issue I'm having. I'm dynamically launching sub vi's from a main application. Simply put the main application is my test exec and the subvi's I'm...
View ArticleLabview crashes when trying to call Py_Initialize
Hello we have a labview Vi which tries to call a C function from a C/C++ dll. the function sets the python script paths and then calls Py_initialize.Labview exits with no warning or error...
View ArticleGraph
Hello.As you can see from the attached images, I have to build a graph that has the elements of the first column of the table in the axis of x and those of the last column in the y axis.I think there...
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Projecting a facial image into a new face-space.
Dear all,I am working on face recognition using Principle Component Analysis (PCA) using LabVIEW. I have been successful uptil sorting eigenvectors by their corresponding eigen-values but now can't get...
View ArticleReal time boot drive
Hello, I'm trying to make a real time boot drive with my for my project. The way I'm doing it is: Measurement & Automation Explore >> Tools>>Real time desk utilities>> Create...
View ArticleParallel while loops for failsafe system and control system
Hello all, So, I'm needing some direction for the best way to go about making a control system and failsafe system run in parallel. I've attached the VIs for both systems. I'm wanting it where if the...
View ArticleSimulate a pulse signal to calculate frequency
Hi,I should use counter and count the number of rising edges in a loop to calculate frequency . The input signal will be connected to PFI lines of DAQ 3636 OEM. but the problem is I don't have aceess...
View ArticleConvert a 10 bit grayscale imag to color
Hi, all I am a 8-year labview experience programmer, but new to image procession or NI-Vision. And now I have come to a problem with image conversion. I have a image acquision board which...
View Articleread memory values windows
Hello, I want want to read values like speed and such from a racing game and use it to set hydraulic's which move a chair in which you sit.How can I read these from labview, some sort of peek poke...
View ArticleHow to uninstall NI Distributed System Manager 2012?
Hi, My PC started off with LabVIEW 2012 and related modules. After I installed LabVIEW 2013, I uninstalled all the 2012 software that I could find (that aren't dependencies of any 2013 software)...
View Articlehow to see communication on specific IP address
Hello, I have an IP camera , whose address is known. I connect it directly to my LAN port in my PC. The camera has its own software for display and control. How can I see the commands passed to camera...
View ArticleFlatten floating point on FPGA for multichannel DMA
Hi, We have a large FPGA application on a cRIO with 3 DMAs and are trying to transfer mutliple channels of data through a target-to-host DMA. We have a large variety of types (U8 to floating point) to...
View ArticleShared clock between Digital signal and edge counter
Hi,I use DAQ 6363 OEM to acquire a digital signal and a counter signal connected to one of the PFI lines.Both signals use onboard cloack. I am just wondering if this works because they have seperate...
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