19 Mar
2002
19 Mar
'02
4:39 p.m.
On Tue, 19 Mar 2002, Ben Franchuk wrote:
Glen Goodwin wrote:
Press-fit roll spindle with shaft encoder attached to one serial port on
a PDP-11 running a backround job counting total turns, comparing against
approximate turns-to-roll-exhaustion, and triggering (thru another serial
port) an appropriate alarm, or perhaps printing out a TP-LO Warning.
Now how do you tell if the previous occupant actually washed their
hands?
Cheerz
John
1 -- Build an interface for every device under
the sun, including the
toilet seat.
That is easy -- a micro switch ... now how do you tell if the ROLL is
almost empty ?