Can I send a voltage out of my serial port with Matlab?

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J
J 2013-11-22
回答： Image Analyst 2013-11-22
Hi,
I was wondering if it's possible to access the serial ports using Matlab to send out high/low voltages to trigger external devices (e.g. Motion capture cameras).
I know it can be done with Data Acquisition Toolbox, but I'm not sure if I am going to have access to a supported DAQ card for the project I'm thinking about.
Thanks, J

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回答（2 个）

Walter Roberson
Walter Roberson 2013-11-22
If you need more than the pulse of a serial bit, then all you have control over is DTR and RTS. The exact levels cannot be controlled.
Image Analyst
Image Analyst 2013-11-22
Yes. You don't need the Data Acquisition Toolbox. I talk to my Measurement Computing box all the time just through the serial port (USB). They have analog devices too. http://www.mccdaq.com/usb-data-acquisition/USB-3100-Series.aspx

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