In message <34CCBA46.229CF5FF@compufire.com>, Andre Abelian
<andre@COMPUFIRE.COM> writes
>Hi to all engineers in this list.
>
>I am a middle  of  making a vcr control unit using pic almost done. the
>idea of this is to
>turn the vcr on off play stop and more automatically .since I
>couldn't find ir remote information about samsung to use UART and I
>was not smart enough to capture ir  code I decided to drive them
>from switches like pressing buttons. switches are connected together
>in multiplexed method that means each switch when you press it
>doesn't ground the only access i have is switches. my question is
>to press a button electronically should i use optoisolater or can I use
>electronic analog switch like 4066. any recommendations ?

I was planning doing something similar - in order to make a bank of
VCR's record sequentially. I was going to use 4066's to drive the
multiplexed inputs.
--

Nigel.

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