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Irene_he last won the day on December 10 2009

Irene_he had the most liked content!

About Irene_he

  • Birthday April 16

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    Ontario, Canada
  • Interests
    LabVIEW video, USB DAQ

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    LabVIEW 7.1
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  1. Summer time again.

  2. Dear Mandy, Sorry to reply this late. As I understand that you only use DIO 9-16 for your byte reading. Although you can't use the trigger line for analog inputs for DIO ports, but you can make use the DIO ports from 1-8, check one of them to see the change of state, then read/keep the DIO9-16 states. Hope this will work for your case. Kind Regards, Irene
  3. Happy Birthday!!!

  4. Using the video blending function in IVision LabVIEW toolkit, you can mix two videos in anyway, such as picture in picture (video in video), side by side etc. You just need to define the position and size of each video stream. This works for both live video from cameras or avi files. Link is below: http://www.hytekautomation.ca/IVision.aspx?productId=31 Irene
  5. Yes, you can do that. Actually similar idea was like feeding the fish . Think about that you can drop some fish food over web while on travel and see them or for birdy. Or else you never be able to go away for long if you don't have friends who want to take it. But that is just one case of application... as they always said, it is only limited by your imagination. Irene
  6. Happy New Year everyone. We have something new from HYTEK Automation, it may be in the LabVIEW programmer's interests. We have made USB DAQ over web control enabled. This is by providing the web services for iUSBDAQ, to make iUSBDAQ not only locally controllable, but also a low cost solution for web based instrument. You can log data, control DIOs and export data to EXCEL all from web, anywhere you go, with just a browser. With the enhanced feature, we will add video engine so that you not only control, but also see the effect of your control and environment surrounding your remote DAQ site. More details can be found: Web DAQ - Enable the data acquisition with webpage
  7. The attached file contains VB source code, not just EXE (by the way the two attachments 350...zip and ADiS16350_Rev_12_SOURCE.zip are the same files to me) , so it should be a good start for you, but only if you understand some VB... Since you are new to LabVIEW (you said you are student), the call library function is actually an advanced feature for new people, but if you understand other programming languages, it should also not be hard... I think you have enough information from analog device now that should get you solve the problem. Another thing, read the MCP_isensor document, it mentions some other files need to be existing, so are they existing in your computer? I don't have much time to look at the VB code for you, you need to reply on yourself now. But I believe you have enough information for your sensor. PS: you may also try to ask directly for LabVIEW vis from analog device, maybe by lucky they happen to have those vis since LabVIEW is widely used for test and measurement. Irene
  8. No, I don't think you need to do anything with header file for LabVIEW, LabVIEW don't need header file to compile. You may ask Analog device for calling order of the functions or even get the source code for their application that measure the data, I think they wrote in VB or other programming languages, but you can take a look just to see how they call those functions and transfer your understanding to LabVIEW. So ask the calling order, which function should be called first etc.
  9. You can actually see the functions included in DLL with LabVIEW call function library node and it seems to match what is in the document. I have attached this screenshot to show the functions in the DLL. There are only three functions that you need to care, I think. Find device, read and write. I have also created simple found device vi. For the read and write functions, you need to know the register bits meanings and how to combine the low and high data to get the real meaningful data. That part you may need to ask the analog device or study the sensor documents. FoundDevice.vi
  10. Thanks for the story. Then definitely don't want to be a geek. Let others who like it to claim the title. That sounds nice.
  11. Can you attach the file here, other than uploading to other server?
  12. Mencius says: Those who works with the mind, rule. Those who works with physical labor, being ruled. Well , Some people may critique this saying to under value the labor work, but it seems the world is working with this rule.
  13. What are the clear differences between nerd and geek? do you mean women engineers are nerd while men engineers are geek? Maybe because the "fixing the bell" is "trivial" for her education to fix. You don't expect a PhD (even a man) to repair a lamp or even setup a msn account (yes, I am talking about my brother in law , he works in Munich for BMW), but we can't say he is not capable. Fixing the bell is indeed not her domain.
  14. Hello, There are three options here: 1. Since your iSensor comes with an USB interface, ask the vendor if they have a driver DLL that communicates with the isensor USB interface and PC. It looks like it comes with it's own software user interface, so usually they should have some kind driver DLL that user interface software based on. If they do have the DLL, you also need to know the functions included in the DLL, so that you can use LabVIEW "Call Library Function Node" to call the functions, hence create your LabVIEW driver for the sensor. 2. Second options, if you know the commands that talk to the USB interface of the sensor, you can use the Tutorial you mentioned above to try out LabVIEW visa. Tutorial - NI 3. The iSensor (ADISUSBZ) actually is made of two parts, one is sensor board, the other is the USB controller board. I found this NI driver for the sensor board with the use of LabVIEW FPGA. It uses LabVIEW FPGA to control the SPI interface of the sensor board... but for this option you also need LabVIEW FPGA hardware. Since you already have the USB controller board, maybe this option is not the option, I don't know. Anyway, below is the link you can refer to: http://zone.ni.com/devzone/cda/epd/p/id/6264 Hope this will give some hints. Irene
  15. Wow, didn't know about her until now. What we learned in school in China was MADAME CURIE, that was very impressive and motivated. http://en.wikipedia.org/wiki/Marie_Curie Irene
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