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'LED matrix multiplexing (Correction !!!)'
1996\11\11@235223 by hjmuller

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[Supressed message)
Hi Stewart:
                I suggest that you use the MAX7219  DIP24 (from MAXIM). This is
a
SERIALLY INTERFACED, 8-DIGIT LED DISPLAY DRIVER and you can get a free sample
from WWW.MAXIM-IC.COM or PHONE 1-800-998-8800.
               Do you have any information about CALL ID system that you
mention ? I'm interested in this class of information, and other user on the
list too. (Have you Technical Specifications about CALL-ID?
               Bye, Hugo

Sorry, in the previous message i write MAX7129 while the correct part number
is MAX7219. Thanks to Matt.


-------------------------------
Hugo J. Muller
E-mail:    spam_OUThjmullerTakeThisOuTspamsatlink.com
Parana - Entre Rios - Argentina
-------------------------------

1996\11\12@152027 by Zhahai Stewart

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> Do you have any information about CALL ID system that you
> mention ? I'm interested in this class of information, and other
> user on the list too. (Have you Technical Specifications about
> CALL-ID?

No, I'm afraid I don't.  That was a later question :-)

If nothing else, I was thinking of starting from the Weeder Tech
caller ID PIC project.  Weeder Tech is at 513-752-0279.  Terry
Weeder writes up projects for Nuts-n-Volts magazine, as well as
selling interesting PIC based kits. (Caller ID, DTMF, X-10, IR..)

  Zhahai

@ Zhahai Stewart       .....zhahaiKILLspamspam@spam@hisys.com
@ A Meme Gardener      http://rainbow.rmii.com/~hisys/zhahai.html
@ Standard Disclaimer  YMMV - Your Maya May Vary

1996\11\12@193632 by Dave Mullenix

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>> Do you have any information about CALL ID system that you
>> mention ? I'm interested in this class of information, and other
>> user on the list too. (Have you Technical Specifications about
>> CALL-ID?

Here in North America, caller ID information is sent as standard 1200 baud
ASCII text between the first and second ring.  The signals are exactly like
the ones used by your 1200 baud modem.

1996\11\12@195056 by William Chops Westfield

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   Here in North America, caller ID information is sent as standard 1200 baud
   ASCII text between the first and second ring.  The signals are exactly like
   the ones used by your 1200 baud modem.

Bell 202 or Bell 212?  (we'll assume it isn't Vadic 1200)

I haven't used a 1200bps modem in about 15 years.  Can you even put a modern
modem (ie, the 2400bps ones you can get for $10 surplus?) into a dedicated
1200bps mode where it won't need to train/etc before receiving digits?

BillW

1996\11\12@224814 by Dave Mullenix
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At 04:50 PM 11/12/96 PST, you wrote:
>    Here in North America, caller ID information is sent as standard 1200 baud
>    ASCII text between the first and second ring.  The signals are exactly like
>    the ones used by your 1200 baud modem.
>
>Bell 202 or Bell 212?  (we'll assume it isn't Vadic 1200)

I'm not sure.  Whichever was the standard in America back when 1200 baud was
hot.

>I haven't used a 1200bps modem in about 15 years.  Can you even put a modern
>modem (ie, the 2400bps ones you can get for $10 surplus?) into a dedicated
>1200bps mode where it won't need to train/etc before receiving digits?

It's been a while since I played with 1200 baud too.  I've never done
anything with caller ID because I don't subscribe to the service, but if I
did, I'd use one of the 1200 baud modem chips.

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