[chirp_users] Baofeng UV5R dtmf on receive///

Tom Morris
Sun May 26 16:17:34 PDT 2013


It's a program to run on an Arduino microcontroller board. The code I have
uses a Goertzel algorithm to detect tones. It can do dtmf or monotone
signals like the tone paging (plectron?). When a tone is detected it can
throw a relay.

Tom Morris, KG4CYX

Mad Scientist, Miami Children's Museum

This message sent from a mobile device. Silly typos provided free of charge.
On May 26, 2013 11:57 AM, <kf8sj at aol.com> wrote:

> thanks.  would appreciate any help possible.  with the advent of narrow
> banding, all our pagers will not work.  we are paged out by the sheriffs
> department over a public government channel using the dtmf codes.  have
> already explored their sending either a different pl tone, or a dcs signal,
> but their system is not capable
> of doing either.  for the price of a handfull of pagers, could equip the
> entire department with these units, and gain a talk around radio.
>
> not sure what an Arduino sketch is
>
> 73   jim studer  kf8sj
>
>
>  -----Original Message-----
> From: Tom Morris <blueneon at gmail.com>
> To: Discussion of CHIRP <chirp_users at intrepid.danplanet.com>
> Sent: Sat, May 25, 2013 7:40 pm
> Subject: Re: [chirp_users] Baofeng UV5R dtmf on receive
>
>  Not implemented on the radio firmware. I have an Arduino sketch that may
> help, I'll send it tomorrow
> Tom Morris, KG4CYX
> Mad Scientist, Miami Children's Museum
> This message sent from a mobile device. Silly typos provided free of
> charge.
> On May 25, 2013 8:36 PM, <KF8SJ at aol.com> wrote:
>
>> **
>> i have need to use this radio as an alert pager for local vol. fire
>> dept.  see where to enable dtmf on transmit, but no  capability to do so on
>> receive.  is this possible, and/or am i missing something in the
>> programming.
>> basically need to receive only one tone.
>> thanks for help.   jim  kf8sj
>>
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