[arm-allstar] Node RX not repeating

Mon Apr 2 16:09:29 EST 2018

Andy,

   In some cases you do need to get COS from the other side. It is always
available from the same place on all models directly at the chip - Pin 1.
There are two 8 pin IC's. You can check this with a meter. COS on the 888
goes high on signal so it should be 0 volts without signal and something
higher than about 2.5V on valid signal.   The dot on the chip is pin 1. See
this photo at the howto -

https://hamvoip.org/hamradio/baofeng888/

If needed removing the board is not a big deal. Disassembly instruction are
at the howto.  Like 7 or 8 screws and two solder locations - the antenna
and battery power.

*73 Doug*

*WA3DSP*

*http://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*

On Mon, Apr 2, 2018 at 4:55 PM, NV6V <nv6v at calaverasars.org> wrote:

> Here's mine before I started soldering on it.  I successfully connected
> PTT, RX, TX and Ground.  I took a guess on the back of the board.  Does
> anybody recognize the correct pad for COS on this side?
>
> ---
> Andy Thomas
>
>
> On 2018-04-02 12:39, KB7YS-Stacey wrote:
>
>> Here is wiring I used on a recent 888s - maybe this is closer to the
>> board you have.
>>
>>  On Monday, April 2, 2018, 10:23:44 AM PDT, Doug Crompton via
>> arm-allstar <arm-allstar at hamvoip.org> wrote:
>>
>> Take another look at the 888 howto's at hamvoip.org. I think your
>> board
>> might be show further down or in another link on the page. COS is pin
>> 1 of
>> one of the 8 pin chips.
>>
>> *73 Doug*
>>
>> *WA3DSP*
>>
>> *http://www.crompton.com/hamradio
>> [1]<http://www.crompton.com/hamradio>*
>>
>> On Mon, Apr 2, 2018 at 12:51 PM, "NV6V via arm-allstar" <
>> arm-allstar at hamvoip.org> wrote:
>>
>> That explains it.  Thanks, Doug.
>>> I started this project with an 888 but the short board was different
>>>
>> from
>>
>>> any of the examples I could find.  I bought it within the last 3
>>>
>> months.  I
>>
>>> took a guess at a pin on the back but guessed wrong!  Maybe I can
>>>
>> take a
>>
>>> pic and show it on this list.  Perhaps somebody knows this board by
>>>
>> looking.
>>
>>> Thanks again!
>>>
>>> Andy
>>>
>>> On 2018-04-02 09:35, "Doug Crompton via arm-allstar" wrote:
>>>
>>> Andy,
>>>>
>>>>  You cannot run a simpleusb node without COS. It will never key.
>>>>
>>> You must
>>
>>> have a COS signal in order for it to know the node radio, in your
>>>>
>>> case the
>>
>>> uv5r, is receiving. You would set item J - cosfrom to either usb or
>>>> usbinvert depending on which way the COS signal is active when the
>>>>
>>> the
>>
>>> node
>>>> radio is receiving. The simpleusb-tune-menu program has a 'V'
>>>>
>>> option which
>>
>>> shows the status of the COS lines. It should show 'keyed' when the
>>>>
>>> node
>>
>>> radio is receiving a signal. The node radio is usually always in PL
>>>>
>>> or DTS
>>
>>> mode to eliminate false keys.
>>>>
>>>> The UV5 could be modified to get the proper signals or you could
>>>>
>>> use a
>>
>>> Baofeng 888 and modify as shown in the howto's at hamvoip.org. Many
>>>>
>>> other
>>
>>> radios supply the COS signal often on a 6 pin din on the rear or in
>>>>
>>> the
>>
>>> case of the Alinco DR-x35 radios on a DB9 connector.
>>>>
>>>>
>>>> *73 Doug*
>>>>
>>>> *WA3DSP*
>>>>
>>>> *http://www.crompton.com/hamradio
>>>>
>>> [1]<http://www.crompton.com/hamradio>*
>>
>>>
>>>>
>>>> On Mon, Apr 2, 2018 at 12:18 PM, "NV6V via arm-allstar" <
>>>> arm-allstar at hamvoip.org> wrote:
>>>>
>>>> Greetings to the Group,
>>>>
>>>>>
>>>>> I'm working on setting up my first node and have reached a snag.
>>>>> The node transmits OK.  I can trigger it from Supermon.  I can
>>>>>
>>>> connect
>>
>>> and
>>>>> disconnect
>>>>> using this method.  I can monitor audio from connected nodes OK
>>>>>
>>>> (PTT
>>
>>> triggers and audio is transmitted through
>>>>> the node radio).
>>>>> I cannot seem to get the node to process RX audio from the node
>>>>>
>>>> radio,
>>
>>> though.  PTT does not trigger.
>>>>>
>>>>> Node radio is a UV5R interfaced through mic and spkr jacks (no
>>>>>
>>>> COS).
>>
>>> Then
>>>>> to an AriUSB fob.
>>>>> When the radio receives, I have measured voltage at the pin on the
>>>>>
>>>> fob.
>>
>>> In simple-usb-tune,
>>>>> selection 2 (RX voice level) I can see incoming signal and have
>>>>>
>>>> adjusted
>>
>>> it successfully
>>>>> using that option and also using the volume knob on the node
>>>>>
>>>> radio.
>>
>>> Testing with my voice and DTMF,
>>>>> I cannot get the signal to repeat, however.  The asterisk CLI does
>>>>>
>>>> not
>>
>>> show DTMF being decoded.  Using Supermon
>>>>> to select parrot mode, no audio is repeated back.
>>>>>
>>>>> Firmware: 1.5rc4-16
>>>>> HamVoip AllStar:
>>>>>
>>>> 1.4.23-pre.hamvoip-V1.5.3-23app_rpt-0.327-03/1/2018
>>
>>> Kernal: 4.4.44-1-ARCH
>>>>>
>>>>> rpt.conf: duplex=1, COSFROM=no, CTCSSFROM=no
>>>>>
>>>>> Supermon shows the node as a private node.
>>>>>
>>>>> Any ideas?
>>>>>
>>>>> Thanks!
>>>>>
>>>>> ---
>>>>> Andy Thomas
>>>>> Secretary, Calaveras Amateur Radio Society, Inc.
>>>>> http://calaverasars.org
>>>>>
>>>>> _______________________________________________
>>>>>
>>>>> arm-allstar mailing list
>>>>> arm-allstar at hamvoip.org
>>>>> http://lists.hamvoip.org/cgi-bin/mailman/listinfo/arm-allstar
>>>>>
>>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>>>
>>>>
>>
>>>>> _______________________________________________
>>>>>
>>>>
>>>> arm-allstar mailing list
>>>> arm-allstar at hamvoip.org
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>>>>
>>>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>>>
>>>> _______________________________________________
>>>
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>>>
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>>>
>>> _______________________________________________
>>
>> arm-allstar mailing list
>> arm-allstar at hamvoip.org
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>>
>> Visit the BBB and RPi2/3 web page - http://hamvoip.org
>>
>>
>> Links:
>> ------
>> [1] http://www.crompton.com/hamradio
>
>