I am building some hardware to allow my computer to control a mains
appliance, and was planning to have the parallel port drive an opto-isolated
relay. However, it occured to me that maybe it isn't possible to hold a bit
on the parallel port high for an arbitrarily long time. If so I'd need to
put some kind of bistable circuit into my hardware.
Can anyone tell me whether this is the case or not?
Thanks,
Adrian.
-- adrian@munchkin.comlab.ox.ac.uk Sorry about the hotmail posting address, I don't have ssh access here.
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