[Coco] CoCo/PC hybrid....

[Frank Swygert]

This is a better parallel port reference:
http://www.epanorama.net/circuits/parallel_output.html#circuitlinks
A simple circuit to drive 8 LEDs is shown as an example.

Some of the project links no longer work, but here is one of them and 
what I was thinking of for easy I/O:
http://electronickits.com/kit/complete/elec/ck1601.htm

And this from a CNC site:
http://www.dakeng.com/relay.htm

After a good bit of reading, this method has been surpassed, but it's 
still mentioned as by far the simplest/easiest way to control things 
like relays. Not much software or hardware needed, no special drivers.


-- 
Frank Swygert
Publisher, "American Motors Cars" 
Magazine (AMC)
For all AMC enthusiasts
http://farna.home.att.net/AMC.html
(free download available!)