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how to read data through usb port

hello everyone..........i am working on a project i.e. voltage and current tracker. it is a total hardware project and its description is like that it basically tracks the VI signature curve of discrete components like capacitor or resistors etc. it can plot graphs on oscilloscope but i want to show them on computer. in that regard i have done it successfully with the help of data acquisition card but now i want to do it through usb or parallel port. for that i have converted analogue data into digital data and than used a serial to usb converter but i don't have any idea how we can configure usb port in labview and than read or write data in labview. i have seen the examples but could not understand from them and by applying them i could not get the results. i would be greatful for your help. Regard zohaib.

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Search in " find examples" for USB Interrupt, Bulk read & write......

In addition to that you have to read

http://zone.ni.com/devzone/cda/tut/p/id/4478 

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Hi,

 

Read this http://zone.ni.com/devzone/cda/tut/p/id/4713.

 

Firstly you should detect the hardware in MAX, then you can use VISA USB in LabVIEW to communicate with the hardware.

 

Am not sure this is what your looking for?

 

 

 

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