| ??? 09/05/04 14:15 Read: times |
#76915 - RE: debouncing for matrix keypad ? Responding to: ???'s previous message |
Here is 3 part series on "Debouncing Switches" by Jack Ganssle
http://www.embedded.com/showArtic...D=18400810 http://www.embedded.com/showArtic...D=18902552 http://www.embedded.com/showArtic...D=22100235 Michael Karas wrote: Now if that particular microswitch press was supposed to be the exact time a life saving defibrillation pulse was supposed to be delivered to a patient on the hospital operating table we may conclude that we cannot determine if the pulse got delivered or not. Well, a very very important point. Here is a report on Therac disaster http://sunnyday.mit.edu/accidents/therac.pdf where a badly written software caused death of many people. |
