Try this example for serial port interface and you You can't create DB in VB you must use application like MS Access, Oracle , ect.. for create DB and you can interconnect it VB interface using adodc or data control ect...
If u want any clarification please reply.I think, I can help you.
Thanks & Regards,
Ishara.
It is very fast to develop the serial comm in VB compared to C language.
You can visit www.geocities.com/bagtool/vb_lesson9.html and for USB interfacing, you have to get an USB supported microcontroller like PICXXXX. It will make life easier.
Anyone know how to read MS ACCESS file from modem ? Thks.