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I would use a PIC16F872 with the right code...


F1CHF schrieb:
> hello
> do you know if I can find an I2C circuit
> to interface a 16 pads (4 rows,4 colums) DTMF keyboard without sending any
> code ?
> (as I do using a PCF 8574 today)
> thanks for your help
> F1CHF
> 

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begin:vcard
fn;quoted-printable:Bernd R=C3=BCter
n;quoted-printable:R=C3=BCter;Bernd
org:Promaxx;Entwicklung
adr;quoted-printable;dom:;;W=C3=BClferoder Stra=C3=9Fe 10;Hannover;;30539
email;internet:bernd.rueter@promaxx.net
title:Dipl.-Ing.
tel;work:+49 511 3746207
tel;fax:+49 511 3746208
url:http://www.promaxx.net
version:2.1
end:vcard


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