Hi,
Basically you can use comm port(COM1) to talk to your module but it is also applicable to usb(just need serial to usb convert) here is a link that might help set up to wrte to communication port using VB http://www.bitwisemag.com/copy/vb/vb1.html
then read input data using picbasic command(see peek and poke, you can search in this forum).
regards,
joseph
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