Instrument Control (GPIB, Serial, VISA, IVI)

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plotting real time data from serial port

Hi

 

I doing a wireless project in which the data from the receiver is sent to a PC over serial port for plotting in real time.

 

On the transmitter side, there is an A/D converter that converts analog signal to 8 bit digital data. This 8 bit data is sent to the receiver for real time viewing.

 

I have build a simple VI that reads data from the serial port and plots them.

 

For example: If I connect a sine wave at the input terminals of the A/D converter, I should get a sine wave output in the VI. Unfortunately, I don't get that.

 

I am attaching my VI to this post. Please somebody take  a look at it and tell me where is the mistake.

 

Thanks in advance... 

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