Gunner Asch fired this volley in
:

USB to just about any sort of output..serial, parallel etc etc are
commonly available at any computer shop


Oh.. should have added.

I keep up a fairly old laptop... a Dell Precision 4300, which was a
"portable desktop" when it was new. I got it because it had real
hardware ports. Real RS232. Real Bi-Di parallel printer port.

It's been through a number of repairs, because it's a good platform I
don't want to part with.

LLoyd