Page with sample VB code for Serial Port IO
Thanks to christianlott1 at yahoo dot com for posting in the comp.databases.ms-access newsgroup.
Perform Serial Port Communication - The sample code linked to this page consists of a VB module containing a collection of routines to perform serial port I/O without using the Microsoft Comm Control component. The module uses the Windows API to perform the overlapped I/O operations necessary for serial communications.
My Microsoft Access and Serial Port Communications page has been updated with the above.