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Re: Changing from Signalink to Easy Digi

 

On Sun, Nov 20, 2022 at 03:30 PM, Fred Bouwman wrote:
Kenwood TM-281a r
I do not recommend the easy-digi interface.?
Isolation transformers are rarely necessary unless connecting to old vacuum tube transceivers.?
The high frequency rolloff of the isolation transformers will prevent the faster data rates.?
?
The CM108 chip on the Sabrent sound dongle is likely covered with epoxy?
and will be hard to attach a wire to pin 13 on the USB sound dongle.? ?
I used a bare CM108 USB sound dongle. Only $4.?
https://www.ebay.com/itm/203958052588?
Instructions to modify for PTT control:?
https://allstarsetup.com/how-to-modify-a-cm108-sound-fob-for-allstar/?
Skip the connection for COS, it is only necessary for the AllStar application.?
Instead of the 10k axial resistor, I reused one of the SMD microphone bias resistors removed from R6 and R7 on the dongle.
If you have no soldering skill, you can buy an assembled unit.?
https://hamprojects.info/dinah/ or?
?
fldigi, direWolf, soundmodem, ARDOP and VARA Winlink have added direct?
CM108/CM119 PTT support in their Linux and Windows versions.?
For other digital modes like WSJTx (FT8) and JS8Call use CAT7200?
to emulate the RTS interface for PTT.?
http://www.cantab.net/users/john.wiseman/Documents/CAT7200.html?
?
In direwolf.conf, comment out the other PTT methods and use?
"PTT CM108"?
See page 6 of the TM281A manual for connection info.?
https://kasc.kenwood.com/files/prod/2422/5/TM-281A_E_Instruction_Manual_V2_B62-2347-20.pdf?
?
If you suffer from common-mode "RF in the shack",?
I additionally recommend using a shielded USB extension cable, and
soldering 100pF capacitors from GND to MIC, SPKR and PTT on the dongle.?
Re: Changing from Signalink to Easy Digi

 

David this is the device I am using with the Easy Digi.

https://www.amazon.com/gp/product/B00IRVQ0F8/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
Re: Kiss format vs direwolf.conf format

 

Yes, good, usualy shorter is better due to frequency congestion on the receiver.

--

73 de iw2ejh
Re: Changing from Signalink to Easy Digi

 

Hey All,

Here are some better pics of the Interface I build at home. Craig - KO5S, builds the 3D boxes and I do the rest...but it was all his idea from a post he read a while back. Hope they help someone...

73,
Danny? - NF4J

AP1.jpg
AP2.jpg
AP3.jpg
AP5.jpg

Re: TTMACRO fixed object-name

 

Just a caveat that at least the USA stations should make sure that their
call is included with the transmission or at least an ID transmission is
sent within the 10 minute requirement. We would not want them inadvertently
breaking the law. Of course, each station needs to follow the communications
laws of their own country.

On 11/21/2022 9:56 AM, Peter Loeffler wrote:
what does that have to do with the question?
--
Charles J. Hargrove - N2NOV
NYC-ARECS/RACES Citywide Radio Officer/Skywarn Coord.

NYC-ARECS/RACES Nets 441.100/136.5 PL
ARnewsline Broadcast Mon. @ 8:00PM
NYC-ARECS Weekly Net Mon. @ 8:30PM


NY-NBEMS Net Saturdays @ 10AM & USeast-NBEMS Net Wednesdays @ 7PM
on 7.036 Mhz USB (alt 3.536)/1500 hz waterfall spot; MFSK-16 or 32

"Information is the oxygen of the modern age. It seeps through the walls topped
by barbed wire, it wafts across the electrified borders." - Ronald Reagan

"The more corrupt the state, the more it legislates." - Tacitus

"Molann an obair an fear" - Irish Saying
(The work praises the man.)

"No matter how big and powerful government gets, and the many services it
provides, it can never take the place of volunteers." - Ronald Reagan
Re: TTMACRO fixed object-name

 

RTFM: AA{ObjectName}
Re: TTMACRO fixed object-name

 

what does that have to do with the question?

?
Re: TTMACRO fixed object-name

 

I don't know about the rest of the world, but in the USA we are required
to transmit our callsign at least every 10 minutes.

On 11/21/2022 9:16 AM, Peter Loeffler wrote:
hey there
I am messing arround with DTMF (maybe the outcome will be a multi-stage geo-cache) and I want to generate an object with a fixed name (not the callsign)
so I used text2tt ..
oe6pld@HP-Z210-Workstation:/opt/direwolf$ text2tt "Stage 2"
Push buttons for multi-press method:
"77778243302222"??? checksum for call = 6
Push buttons for two-key method:
"7D8A2A4A3B0A2"??? checksum for call = 0
and added the following line to my config:
TTMACRO 13 AC77778243302222*AB{canoe}*B995*BA0*CA{Stage 2}
(the point definition is ok, it works in other makros)
so when i send 13# via dtmf I get an error "?"
what am I doing wrong?
peter, OE6PLD
--
Charles J. Hargrove - N2NOV
NYC-ARECS/RACES Citywide Radio Officer/Skywarn Coord.

NYC-ARECS/RACES Nets 441.100/136.5 PL
ARnewsline Broadcast Mon. @ 8:00PM
NYC-ARECS Weekly Net Mon. @ 8:30PM


NY-NBEMS Net Saturdays @ 10AM & USeast-NBEMS Net Wednesdays @ 7PM
on 7.036 Mhz USB (alt 3.536)/1500 hz waterfall spot; MFSK-16 or 32

"Information is the oxygen of the modern age. It seeps through the walls topped
by barbed wire, it wafts across the electrified borders." - Ronald Reagan

"The more corrupt the state, the more it legislates." - Tacitus

"Molann an obair an fear" - Irish Saying
(The work praises the man.)

"No matter how big and powerful government gets, and the many services it
provides, it can never take the place of volunteers." - Ronald Reagan
TTMACRO fixed object-name

 

hey there

I am messing arround with DTMF (maybe the outcome will be a multi-stage geo-cache) and I want to generate an object with a fixed name (not the callsign)

so I used text2tt ..

oe6pld@HP-Z210-Workstation:/opt/direwolf$ text2tt "Stage 2"
Push buttons for multi-press method:
"77778243302222"??? checksum for call = 6
Push buttons for two-key method:
"7D8A2A4A3B0A2"??? checksum for call = 0

and added the following line to my config:

TTMACRO 13 AC77778243302222*AB{canoe}*B995*BA0*CA{Stage 2}

(the point definition is ok, it works in other makros)

so when i send 13# via dtmf I get an error "?"

what am I doing wrong?
peter, OE6PLD

?

?
Re: Changing from Signalink to Easy Digi

 

¿ªÔÆÌåÓý

Hi.

I actually just received a third ¡°Fe-Pi¡± clone since u like these so much. ?Unlike USB dongles that sometimes need ferrit chokes to keep from being knocked out by RF, these are immune since they use the GPIO pins. ?I still need to solder a GPIO header onto this new one (they are sold without headers to keep price down). ?If you don¡¯t like to solder, you could also just use hammer headers, but be very careful not to damage the capacitors. ?(It¡¯s better to just solder than taje s chance). ?These are awesome boards that are Plug n¡¯ Play with RPi¡¯s. ?You¡¯d think there would be more audio boards out there with a simple RPi0 form factor, but oddly the only really thing out there are the ¡°Audio injectors¡±, which likely would be too also, but the ¡°Fe-Pi¡± is much nicer.

I just shown the ¡°KEPULU¡± sound dongles on the left because they are currently incredibly cheap on Amazon (I bought them for only $1.89/each, lol), however they do seem to work just fine for quick and dirty stuff or when you just need an extra sound dongle for something. ?I wouldn¡¯t use them for RF stuff though, like a TNC, as the RF is likely to knock them out unless they are adequately shielded ot choked.

The ¡°Fe-Pi¡± boards can be purchased at the following website. ?I¡¯m not affiliated with him or anything, I just think he sells an online absolutely excellent product.


image0.jpeg

13 Pro Max

On Nov 21, 2022, at 8:00 AM, J K via groups.io <kuhnje@...> wrote:

?Hi,

This thread caught me eye as I have two SignaLinks (along with cables and modules for Yaesu 8900, Alinco DR-235, Baofengs/Kenwood/etc, Anyone 778UV, etc) and usd to use one for APRS/digipeater/igate stuff, but now using just one of the EasyDigi¡¯s. ?Have three EasyDigi¡¯s, the two shown here and one in current use with s FT60R going into an amplifier and out a jpole (that one also has the blue USB PTT cable). ?I¡¯m using just a RPi02W for DireWolf and triggering the USB by ¡°PTT /dev/ttyUSB0 RTS DTR¡± in direwolf.conf. ?For audio, I¡¯m using a ¡°Fe-Pi¡± audio hat (well, actually it is WB7FHC¡¯s clone since the Fe-Pi is no longer made), and it works great. ?Google ¡°Nexus DR-X¡± and then look at part listing if anyone is interested in getting one of those boards. ?I have two and they work a treat. ?They don¡¯t get disconnected by RF like sometimes the USB sound dongles do.

The EasyDigi on the left is just a VOX one. ?I don¡¯t really care to use just VOX, but sometimes it is convenient, especially with just a cheap Baofeng or such. ?I have a few of the BTech K1-APRS cables, but found the EasyDigi to work much better. Also have a MobiLinkD TNC3 that is part of my WinLink Gateway. That¡¯s a great device too, but currently on hold due to world chip shortage. ?Hoping the MobiLink is sold again soon as been patiently waiting to get a second one. ?

Anyway, just saw the post about switching from using a SignaLink to EasyDigi and thought I¡¯d chime in as I did the same. When I was using the SignaLink, it was able to trigger PTT on my mobile and didn¡¯t have to use VOX. ?

EasyDigi¡¯s are great devices to have also though.

Cheers,
Jerry




13 Pro Max

On Nov 20, 2022, at 8:29 PM, Thomas Leibold <leibold@...> wrote:

?Hi,

David is correct. I was actually looking at the same page he linked to but was mislead by the comments about Vox in the text on that page. I missed the GPIO signal from the Raspberry Pi going to the Easy Digi board, mistaking the red and blue lines as power supply.

This also means that there is a need for a PTT line in the direwolf.conf file. If you followed the example on the openrepeater.com website and used Pin 12 (GPIO 18) on the Raspberry Pi then the corresponding entry in the direwolf.conf file would be PTT GPIO 18.

As for Vox not being recommended that is without question. However there is a difference between the Vox feature inside many radios (which is intended for Voice communication only) and a fast-acting Vox circuit inside a computer-radio interface (such as Signalink and some DRA models which can indeed be used for digital communication).

A real PTT signal under software control will always be superior to a Vox circuit.

73,
Thomas
KK6FPP










<image0.jpeg>

Re: Changing from Signalink to Easy Digi

 

Hey All,

Here is a pic of the ¡°interface¡± I build that utilizes the Easy-Digi with a ¡°Soundcard¡± that allows full PTT between the rig if my choosing and a Pi3,4 or whatever.

The 3D printed box I/O¡¯s are phono jacks that allow me to make whatever interface cable I need between the rig of my choosing (Kenwood,Yaesu, etc) and the ¡°box¡±¡­then the box plugs into the Pi via a micro usb / usb cable. I run Direwolf and Xastir on the Pi¡¯s for APRS solely. Hope this helps..
73,
Danny NF4J

Sent using the mobile mail app

On 11/20/22 at 19:29, Thomas Leibold wrote:

Hi,

David is correct. I was actually looking at the same page he linked to but was mislead by the comments about Vox in the text on that page. I missed the GPIO signal from the Raspberry Pi going to the Easy Digi board, mistaking the red and blue lines as power supply.

This also means that there is a need for a PTT line in the direwolf.conf file. If you followed the example on the openrepeater.com website and used Pin 12 (GPIO 18) on the Raspberry Pi then the corresponding entry in the direwolf.conf file would be PTT GPIO 18.

As for Vox not being recommended that is without question. However there is a difference between the Vox feature inside many radios (which is intended for Voice communication only) and a fast-acting Vox circuit inside a computer-radio interface (such as Signalink and some DRA models which can indeed be used for digital communication).

A real PTT signal under software control will always be superior to a Vox circuit.

73,
Thomas
KK6FPP





IMG_2261.png

Re: Changing from Signalink to Easy Digi

 

Hi,

This thread caught me eye as I have two SignaLinks (along with cables and modules for Yaesu 8900, Alinco DR-235, Baofengs/Kenwood/etc, Anyone 778UV, etc) and usd to use one for APRS/digipeater/igate stuff, but now using just one of the EasyDigi¡¯s. Have three EasyDigi¡¯s, the two shown here and one in current use with s FT60R going into an amplifier and out a jpole (that one also has the blue USB PTT cable). I¡¯m using just a RPi02W for DireWolf and triggering the USB by ¡°PTT /dev/ttyUSB0 RTS DTR¡± in direwolf.conf. For audio, I¡¯m using a ¡°Fe-Pi¡± audio hat (well, actually it is WB7FHC¡¯s clone since the Fe-Pi is no longer made), and it works great. Google ¡°Nexus DR-X¡± and then look at part listing if anyone is interested in getting one of those boards. I have two and they work a treat. They don¡¯t get disconnected by RF like sometimes the USB sound dongles do.

The EasyDigi on the left is just a VOX one. I don¡¯t really care to use just VOX, but sometimes it is convenient, especially with just a cheap Baofeng or such. I have a few of the BTech K1-APRS cables, but found the EasyDigi to work much better. Also have a MobiLinkD TNC3 that is part of my WinLink Gateway. That¡¯s a great device too, but currently on hold due to world chip shortage. Hoping the MobiLink is sold again soon as been patiently waiting to get a second one.

Anyway, just saw the post about switching from using a SignaLink to EasyDigi and thought I¡¯d chime in as I did the same. When I was using the SignaLink, it was able to trigger PTT on my mobile and didn¡¯t have to use VOX.

EasyDigi¡¯s are great devices to have also though.

Cheers,
Jerry




Sent from my iPhone 13 Pro Max

On Nov 20, 2022, at 8:29 PM, Thomas Leibold <leibold@...> wrote:

?Hi,

David is correct. I was actually looking at the same page he linked to but was mislead by the comments about Vox in the text on that page. I missed the GPIO signal from the Raspberry Pi going to the Easy Digi board, mistaking the red and blue lines as power supply.

This also means that there is a need for a PTT line in the direwolf.conf file. If you followed the example on the openrepeater.com website and used Pin 12 (GPIO 18) on the Raspberry Pi then the corresponding entry in the direwolf.conf file would be PTT GPIO 18.

As for Vox not being recommended that is without question. However there is a difference between the Vox feature inside many radios (which is intended for Voice communication only) and a fast-acting Vox circuit inside a computer-radio interface (such as Signalink and some DRA models which can indeed be used for digital communication).

A real PTT signal under software control will always be superior to a Vox circuit.

73,
Thomas
KK6FPP




image0.jpeg

Re: Changing from Signalink to Easy Digi

 

Hi,

David is correct. I was actually looking at the same page he linked to but was mislead by the comments about Vox in the text on that page. I missed the GPIO signal from the Raspberry Pi going to the Easy Digi board, mistaking the red and blue lines as power supply.

This also means that there is a need for a PTT line in the direwolf.conf file. If you followed the example on the openrepeater.com website and used Pin 12 (GPIO 18) on the Raspberry Pi then the corresponding entry in the direwolf.conf file would be PTT GPIO 18.

As for Vox not being recommended that is without question. However there is a difference between the Vox feature inside many radios (which is intended for Voice communication only) and a fast-acting Vox circuit inside a computer-radio interface (such as Signalink and some DRA models which can indeed be used for digital communication).

A real PTT signal under software control will always be superior to a Vox circuit.

73,
Thomas
KK6FPP

Re: Changing from Signalink to Easy Digi

 

¿ªÔÆÌåÓý


The Easy Digi isolation boards that I'm aware of do NOT support any form of PTT control.? To function, they get wired up something like this:

??


Please note... the use of VOX is NOT recommended for Packet Radio.? Please read section 9.2.13.1 of the Direwolf User Guide:

??


--David
KI6ZHD



On 11/20/2022 04:00 PM, Thomas Leibold wrote:

Hi Fred,

The first thing to check is that you wired the connections from the Easy Digi interface and the Kenwood radio properly. In particular it is important that both the Mic Gnd and the PTT Gnd connections from the Easy Digi are connected to the radio ground.

The Easy Digi implements a Vox interface for PTT. In order for this circuit to work, there has to be sufficient output volume on the Sabrent USB sound fob/dongle. Try turning up the speaker volume for the USB sound interface to see if this helps to generate PTT.

No PTT configuration is needed in direwolf.conf when using Vox, so these commented out PTT lines are fine.

73,
Thomas
KK6FPP

Re: Changing from Signalink to Easy Digi

 

Hi Fred,

The first thing to check is that you wired the connections from the Easy Digi interface and the Kenwood radio properly. In particular it is important that both the Mic Gnd and the PTT Gnd connections from the Easy Digi are connected to the radio ground.

The Easy Digi implements a Vox interface for PTT. In order for this circuit to work, there has to be sufficient output volume on the Sabrent USB sound fob/dongle. Try turning up the speaker volume for the USB sound interface to see if this helps to generate PTT.

No PTT configuration is needed in direwolf.conf when using Vox, so these commented out PTT lines are fine.

73,
Thomas
KK6FPP

Re: Changing from Signalink to Easy Digi

 

¿ªÔÆÌåÓý


Hello Fred,

When you say a Sabrent USB adapter, do you mean a Sabrent sound device?? If so, that device will only support *sound* out of the box.? Depending on your specific sound device, some can be opened up and you can add a PTT circuit to it if you're willing to try:

??


If you don't want to do that, you can use a GPIO pin off your Raspberry Pi itself and with a simple transistor circuit, you can use that:

??

--David
KI6ZHD


On 11/20/2022 03:30 PM, Fred Bouwman wrote:

Hello all. My APRS station is a Pi 3B, Signalink, and Kenwood TM-281a running Direwolf and YAAC. Runs great. I replaced the Signalink with an Easy Digi and a Sabrent USB adapter. I cannot get the system to transmit. Is there a change I need to make in direwolf.conf? I tried making changes in the lines below with no success. Thanks for your help.?

#PTT COM1 RTS
#PTT COM1 RTS -DTR
#PTT /dev/ttyUSB0 RTS

Re: Changing from Signalink to Easy Digi

 

Hello Fred,

Assuming you added a USB sound adapter and a USB to serial adapter, the PTT line should look like this:

PTT /dev/ttyUSB0 RTS DTR

If that doesn't work, try this:

PTT /dev/ttyUSB0 DTR RTS

I don't recall exactly which one of the two worked for me when I was using an EasyDigi board.


73,
Lee K5DAT


On Sun, Nov 20, 2022 at 5:30 PM Fred Bouwman <bouwmanf@...> wrote:
Hello all. My APRS station is a Pi 3B, Signalink, and Kenwood TM-281a running Direwolf and YAAC. Runs great. I replaced the Signalink with an Easy Digi and a Sabrent USB adapter. I cannot get the system to transmit. Is there a change I need to make in direwolf.conf? I tried making changes in the lines below with no success. Thanks for your help.?

#PTT COM1 RTS
#PTT COM1 RTS -DTR
#PTT /dev/ttyUSB0 RTS

Changing from Signalink to Easy Digi

 

Hello all. My APRS station is a Pi 3B, Signalink, and Kenwood TM-281a running Direwolf and YAAC. Runs great. I replaced the Signalink with an Easy Digi and a Sabrent USB adapter. I cannot get the system to transmit. Is there a change I need to make in direwolf.conf? I tried making changes in the lines below with no success. Thanks for your help.?

#PTT COM1 RTS
#PTT COM1 RTS -DTR
#PTT /dev/ttyUSB0 RTS

Re: Kiss format vs direwolf.conf format

 

There was a pass last night and I was repeated. So the line below does work.

On 2022-11-19 20:40, Robert Bower wrote:
Good evening everyone,
I am attempting to get digipeted by the ISS. I am able to get
digipeated if I have the following in my direwolf.conf
PBEACON delay=00:01 every=00:10 symbol="/-" lat=41.6814784N
long=86.2034467W power=5 height=10 gain=0 comment="Hello, from Robert"
via=ARISS
I since have setup direwolf to be a satgate so I took that statement
out since I have a radio always listening.
I wrote a little script that using kissutil to interject a beacon on
demand for a specified amount of time. The script works and is sent
out via radio but I never get digipeated.
I think I don't wrote the kissutil statement correctly. I have tried
several. I think the previous ones had too much in them and didn't
have the CQ.
I think this one is correct.
W9RWB-1>CQ,ARISS,WIDE2-1:!4140.89NI08612.21W#PHG2000 Hello from Robert
Is there anything missing or needs to be taken out.
Thanks for your help.
--
Thanks,
Robert Bower
W9RWB
WRPH745
--
Thanks,

Robert Bower
W9RWB
WRPH745

Kiss format vs direwolf.conf format

 

Good evening everyone,

I am attempting to get digipeted by the ISS. I am able to get digipeated if I have the following in my direwolf.conf

PBEACON delay=00:01 every=00:10 symbol="/-" lat=41.6814784N long=86.2034467W power=5 height=10 gain=0 comment="Hello, from Robert" via=ARISS

I since have setup direwolf to be a satgate so I took that statement out since I have a radio always listening.

I wrote a little script that using kissutil to interject a beacon on demand for a specified amount of time. The script works and is sent out via radio but I never get digipeated.

I think I don't wrote the kissutil statement correctly. I have tried several. I think the previous ones had too much in them and didn't have the CQ.

I think this one is correct.

W9RWB-1>CQ,ARISS,WIDE2-1:!4140.89NI08612.21W#PHG2000 Hello from Robert

Is there anything missing or needs to be taken out.

Thanks for your help.

--
Thanks,

Robert Bower
W9RWB
WRPH745

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