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Re: [avr-chat] Audio modem with AVR

From: Pertti Kellomäki
Subject: Re: [avr-chat] Audio modem with AVR
Date: Wed, 3 Jul 2013 10:56:57 +0300
On Tue, Jul 2, 2013 at 3:48 PM, David VanHorn <address@hidden> wrote:
FWIW DTMF can be used to send data more quickly than you'd think.

Looks like Atmel even has an application note for DTMF generation, so I should probably take a look.
-- 
Pertti
 
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