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From: "Richard Freeman"
Subject: Re: converting 4x4 keypads to sinlgle key inputs???
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Date: Fri, 17 Jan 2003 10:14:14 +1100
NNTP-Posting-Date: Thu, 16 Jan 2003 18:12:09 EST
"Andy" wrote in message
> is there any way of converting 4 x 4 and 3 x 4 matrix keypads so they
> can be used as single key inputs . preferably using discrete components
> but logic ones may be suitable, using 16 buttons doesn't look as nice
> as a keypad , but I'm having problems finding keypads that aren't
> matrixed. Thanks in advance andy
A dedicated micro controller would be the most compact solution or if you
do not feel confident with programming etc and have a bit of board real
estate a 74C922 and 74154 or simply get a keypad that can be pulled apart
and cut tracks add links etc.
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