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Originally Posted by plaidwarrior
That was kind of a pain because the VISA driver download was something like 140 MB and included drivers for way more stuff than just a serial port.
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You're absolutely correct, VISA is a Virtual Instrument Software Architecture (VISA) capable of programming, configuring, and troubleshooting a wide range of instrumentation systems (that, coincidentally enough, can use a serial interface among others). VISA is an industry standard, and NI-VISA is our implementation of it - there are several other well-known implementations, but NI-VISA is probably the most popular. It would do you well to learn how to use VISA, as I am sure you will probably enter into a field that may require its use one day. There are also a lot of Colleges and Universities around the world that are moving to using LabVIEW and communicating with traditional instruments via VISA, it wouldn't surprise me if you found LabVIEW in your better College labs.
-Danny