generate dtmf using a bs1

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i am using a bs1 and dont have room for a bs2. does anyone know how
i can make it generate dtmf tones?

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At 11:28 AM 7/13/04 +0000, stuartdowling2004 wrote:
>i am using a bs1 and dont have room for a bs2. does anyone know how
>i can make it generate dtmf tones?
>
>You will probably need an external chip to do so.
>
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You can't, directly -- you'll have to use external hardware. The BS1
has a SOUND instruction, but it generates a single frequency only.

-- Jon Williams
-- Applications Engineer, Parallax
-- Dallas Office

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Original Message

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From: stuartdowling2004 [noparse]/noparse]mailto:[url=http://forums.parallaxinc.com/group/basicstamps/post?postID=i6zy8DZsmNaFF8f4ixDI0q-MiJp4jSET9rPdWmQ4u3IhCrXufOWgC-aivcu6N2fxEb_fl7hhbyb0aCd7kPpLXDzrzZncxg]sd006h4146@b...[/url
Sent: Tuesday, July 13, 2004 6:28 AM
To: basicstamps@yahoogroups.com
Subject: [noparse][[/noparse]basicstamps] generate dtmf using a bs1


i am using a bs1 and dont have room for a bs2. does anyone know how
i can make it generate dtmf tones?