11 Mar
2007
11 Mar
'07
12:44 p.m.
that most have long been discarded as peripheral
"junk". In a snap,
almost any old PC with two serial ports could be programmed to do
the same thing.
Another idea (less bulk) would be to wire a microcontroller ton an ISA
card with 2 serial ports (either a dual async card or a mulit-I/O card,
or whatever). This would save you having to wire up the RS232 buffers, it
would also avoid having to bit-bang either port (I have this ingrained
dislike of bit-banger serial ports....)
-tony