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sending characters using labview to 16F877a rs232

Can anyone show me an example or tell me how i can send a character to rs232 using labview , i have made a firmware in 16F877a which can turn on port C.0 while I send "1" and turn off by sending "b" , How can I accomplish this in labview ?

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Are you using USB to RS232 communicate your firmware?

 

 If so, see this example here I posted for a while ago  http://forums.ni.com/t5/LabVIEW/Stepper-motor/m-p/1781996#M617469

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Have you tried looking at the serial port examples that ship with LabVIEW?

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yes , i am using serial port examples shipped with LV 

 

when i run the VI its diplays the below msg

 

serial port.png

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yes , i am using usb to serial cable to communicate with microcontroller , i can communicate with it in hyperterminal without any problems 

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yes, i havent installed NI visa yet , thats the problem

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