On 2008-07-17, William Noble wrote:
[ ... ]
another way to do this is to use an 8 input latch, one input per switch,
triggered by the OR of the switches through a single shot circuit - might
take fewer chips.
This -- with another flip-flop to latch out any subsequent
contact closures until a reset button is pressed.
Enjoy,
DoN.
--
Email: | Voice (all times): (703) 938-4564
(too) near Washington D.C. |
http://www.d-and-d.com/dnichols/DoN.html
--- Black Holes are where God is dividing by zero ---