Any Basic Stamp can communicate with an attached PC using the programming interface and the DEBUG / DEBUGIN statements or the SERIN / SEROUT statements with pin #16 specified as described in the Stamp Manual. You'll need a VB program on the PC end that uses a standard serial port to talk to the Stamp. There's no standard way for the VB program and the Stamp to communicate. You'll have to come up with your own protocol (format) for the data. Download the StampPlot Pro documentation from Parallax's website or from Selmaware. That'll give you some ideas.
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Any Basic Stamp can communicate with an attached PC using the programming interface and the DEBUG / DEBUGIN statements or the SERIN / SEROUT statements with pin #16 specified as described in the Stamp Manual. You'll need a VB program on the PC end that uses a standard serial port to talk to the Stamp. There's no standard way for the VB program and the Stamp to communicate. You'll have to come up with your own protocol (format) for the data. Download the StampPlot Pro documentation from Parallax's website or from Selmaware. That'll give you some ideas.