Not-a-Ref doesn't work with sound files?
I'm using LabVIEW 2013 32 bit on W7-64. When I open a sound file and am writing to it, e.g. the ref is valid, the Not-a-Refnum? function returns True. Is this a known limitation of sound files?...
View ArticleDAQ output on/off
hii am new to labview. i have made a simple warning program; which when exceeds a limit gives a warning. now i have to connect a hardware i.e an audible warning circuit. now the requirement is that...
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New VI Object - Variant Constant [VI Scripting]
Hi Everybody,I write very important program for me and i have one problem.I use VI Scripting component and i try generate variant constant. I use special function like New VI Object to this task. This...
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graph for each row in excel
Hii'm trying to draw a graph for each row that i get in a different page of the same workbook,but for some reason it doesn't work
View ArticleDSP sampling signal
hellow im implementing a graphic EQ on dsp board c6713 with labview DSP target. my problem is when im sampling my audio input at 48KHz and then adding FFT i hear metalic sound. i want to sample my...
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Labview Web Plugin OS, Browser Compatibility
Hi Everyone, I am having a hard time making work the LabVIEW plugin under Linux, My application is running on a Win7 x64 machine with LabVIEW 2013 f2,-WIN: no problem controlling it under any Windows...
View ArticleMouse event in embedded internet explorer
Dear,I have posted some related questions and then was trying to find similar examples on the forum.However, I got to know there are fee examples with ActiveX (IWebbroswer2, IHTML) of embedded internet...
View Articlemerge different vis
Hello! I'm new to labview and have some problems with my myRIO.First, vi in attachment works nice when I run it in labview, but when I try to implement it as myRIO project, it doesn't response anymore....
View Articlebest way to initialise serial comms in a state machine
Hi everyone, I have a motion reference unit (Microstrain 3DM-GX1) that I am trying to communicate with serially. I have used the serial example VI's to talk to it and everything works fine using the...
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Error -1074360293 occurred at IMAQdx Get Image.vi
Hello, I have question on Vision Acquisition system; the VI is able to "run" with serval minutes, and there is an error that appears:"Error -1074360293 occurred at IMAQdx Get Image.viNI-IMAQdx: (Hex...
View ArticleMax6675 for k-type thermocouple temperature reading using arduino and labview
Hi; I am trying to measure temperature using arduino mega +labview 2013 +k-type thermocouple+max6675.I am using LIFA interface.The circuit digram and labview file is attatchedI am stuck on spi...
View ArticleAcquiring videos from 4/8-Ch DVR
Hi,I am now using a 4/8 Ch DVR which is connected to a set of cameras.I am using this for the visual inspection purposes now I am displaying these set of cameras through my desktop.I have to show the...
View Articlehow to convert a number into an ascii code
Hi,:I just start to use Labview. i plan to use the labview to talk to Rs232. here is my question:i have unsigned 8 bits number, i plan to convert the number into a letter so that i can send it to...
View ArticleSolve transcendental trig function for first solution?
I have searched the forums but have been unable to find a specific solution to this: I need to solve for the first solution (first zero) to: tan(c)=((a+b)*c)/((c^2)-ab); rearranged to:...
View ArticleIndicator as control (iterationio counter as index number)
Hello!Please don't eat me all,its my first post and i am verry beginner in LVI want to build a test station for pcb boarb, but i tryinng to solve problems on projecting stage, so this part of VI is...
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similarity of 2 audio signals
Hello!I´m trying to figure out how to get similarity of two audio signals in LabVIEW.I read original signal from WAV file and I do some operations with it (filtering etc.). After that I want to know...
View Articlemyrio how to use public folder
Hi I have a My-Rio 1900, and i want to grap images from a usb cam, and show it on a web page that myrio will host.first i thout, easy just add a webservice that give you a jpeg picture when request the...
View Articlehow to use Arduino LIFA ,ISP read/write palet to read 12 bit data from max6675?
can some one plz explain how to use the the LIFA ,SPI read palet . I need to get temperature reading from thermocouple using MAX6675?
View Articleweird characters
Hi, I just encounter this problem. I intend to read from my excel file and display on an array. This is what i encountered, anyone know why?
View ArticleHow to configure temperature logging vi to return min & max values across...
The attached VI is recording temperature data from a 16 channel DAQ recorder second by second, recording 24 hours of results to a file. I am trying to configure the vi to return min & max values...
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