While I wait for the dataegg to come to market, I want to try to build my own portable chorded keypad. Can anyone point me to information source on: 1) the chording standard for the alphabet 2) any notes/algorithm on debouncing chorded keys 3) tips and tricks on hardware 4) pass attempts I am thinking about something like using the basic stamp as the controller and have the device output rs323 ascii so that it emulates a TTY (at least the input part). thanks, P.K. -- mailto: pk@imperial-consulting.com browseto: www.imperial-consulting.com
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