I would like to examine the string of data being outputted from an industrial equipment's DB25 connector that is being sent to a printer. I was thinking I need to convert this 25 pin parallel connection to USB type A, which would then be plugged into my PC and then examined using a serial monitor.
My question is what kind of hardware could I use to convert this parallel data to USB?
Do I only need the data 0 - 7 pins and ground pin on the DB25 connector to analyze the data on my PC?
Is there any arduino library out there that could convert this data?
I appreciate any help. This is my first time dealing interfacing a DB25 connector to USB. I've done some research on the parallel communication and seem to have hit a wall.