Hi , The question is in the topic , the thing is that the sources now availabe in web are old and dont work anymore , I want to connect to a usb port meaning like "Com4" port and send commands a get data from that port , anyone know a good turtiol or can help with the code ? thanks

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what operating system? For MS-Windows use these communications functions, or if you bought a multi-serial port card then it should have a device driver for it that you should use.

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what operating system? For MS-Windows use these communications functions, or if you bought a multi-serial port card then it should have a device driver for it that you should use.

Yes windows , Im coding in visual studio

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