What is the best way to access a serial port from VBA?

Question

What is the best way to access a serial port from VBA?

I have a need for some of our sales reps to be able to send a simple string over the serial port from an actio

Answer 1

The Win32 API handles the serial port as a file. You can access the serial ports directly by calling these API functions from within VBA. I had to do this for an old .NET application but VBA is no different.

Rather than hash it out for you on this site, here's a reference I've hung onto over the years. How to perform serial port communications in VBA