If you do not want to take apart your baofeng, you can still get COS. Build this simple 1 transistor circuit https://www.youtube.com/watch?v=QopvHGM-9_k Even if the volume is all the way down, the COR detect still goes off when it gets a signal due to a DC offset in the radio i think. Just make sure you turn off the voice in the UV5R so it doesen't go off when you press buttons. See my portable AllStar node on my qrz.com page 73 Skyler KDØWHB On Wed, Aug 5, 2015 at 10:49 PM, Doug Crompton <doug@crompton.com> wrote:
Ken,
Unless you use a VOX circuit on the RX audio which I do not recommend you will have to go inside. We have used the Baofeng 888's with success as node radios. Info on the mod is in the how=to section at hamvoip.org I believe the UV5 uses a similar approach.
*73 DougWA3DSPhttp://www.crompton.com/hamradio <http://www.crompton.com/hamradio>*
To: app_rpt-users@ohnosec.org From: vk4akp@gmail.com Date: Thu, 6 Aug 2015 13:31:00 +1000 Subject: [App_rpt-users] Baofeng UV5R + DMK URI 's. (Wiring & COS etc?)
Giday!
So, still waiting on my Raspberry PI2 's. But they must be getting
closer.
All other items ordered that same day from China have arrived 1+ weeks ago! In the mean time I'd like to make the cabling up.
For our first attempt we're going to utilise some Baofeng UV5R 's that we already have handy.
Has anyone been down this trail before that can help with wiring instructions with the DMK URI 's? Mainly interested if we need any cap's or resistors across any lines to to isolate audio or for COS etc?
Not interested in hacking into the radio's at all for internal connection. If it can't be done on the standard external connectors we won't bother.
However I doubt this will be the case as we have used them with the AnyTone portable repeater controllers and they detect COS etc A-OK from the basic connectors.
~Ken - vk4akp .-.-. _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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-- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com