The URI has a COR input line for telling the AllStar node that it is receiveing a signal if that is what you are talking about. I believe all you have to do is wire your PTT switch from the COR_DET to ground. I know the USB sound fobs have voltage across the COR and is acticated if you short it. The diode just prevents voltage from going into the sound card from your radio. Then in your usbradio.conf set ctcssoverride=1 , and then fiddle around with usb or usbinvert from carrierfrom= Skyler KDØWHB On Tue, Apr 5, 2016 at 10:15 PM, Billy Vance <billy@avnets.net> wrote:
I have built a allstar/echolink Raspberry Pi 3 node that I can travel with and use in hotel rooms with minimal components. I have a Verizon hot spot that I have been able to successfully login to with the RP3 that I can use while traveling so I don’t need to utilize the local network. I have a sound card and a headset/mic combination that works well.
I would appreciate a little help to get the GPIO configured so I can hook up a momentary contact to trigger the PTT.
Equipment list:
Verizon WifI
Raspberry Pi 3
USB Sound Card
Headset/Mic
Momentary Contact Switch
Thank you in advance,
Billy
KK6KFV
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-- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com