Re: [App_rpt-users] Quick sound fob question
Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob. On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote:
That is the Mute LED. If you mute the CM108 there may be no audio.
On 10/13/2015 8:25 AM, Skyler Fennell wrote:
To the pin with the red LED
On Oct 13, 2015, at 6:23 AM, Steve Zingman < <szingman@msgstor.com> szingman@msgstor.com> wrote:
Where do you want to switch it to?
On 10/13/2015 8:08 AM, Skyler Fennell wrote:
Ok, I'll just solder the pin, just making sure.
It's weird you can't switch the gpio pin for PTT in software.
On Oct 12, 2015, at 11:54 PM, larry < <larry@n7fm.com>larry@n7fm.com> wrote:
Skyler, Short answer is No!
My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin.
As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2
The Green LED is still the heartbeat indicator. The Red Led on the Fob is *NOT* the same as the PTT LED indicated on the modification schematic.
In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/
You will find a good description of the connections on that particular fob.
Larry - N7FM
On 10/12/2015 06:23 PM, Skyler Fennell wrote:
I previously got the CM108 sound fob from startech and had to solder to the tiny pin.
With this one http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025
It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED.
If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT?
Skyler KD0WHB _______________________________________________ App_rpt-users mailing listApp_rpt-users@ohnosec.orghttp://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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-- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com
Parts count economy of scale (mass production) Features I'm not saying anything good or bad about the price of a URI type device. When I built the URI clone on repeater builder, cost was about $20. 73, Steve N4IRS On 10/13/2015 8:44 AM, Skyler F wrote:
Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob.
On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com <mailto:szingman@msgstor.com>> wrote:
That is the Mute LED. If you mute the CM108 there may be no audio.
On 10/13/2015 8:25 AM, Skyler Fennell wrote:
To the pin with the red LED
On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com <mailto:szingman@msgstor.com>> wrote:
Where do you want to switch it to?
On 10/13/2015 8:08 AM, Skyler Fennell wrote:
Ok, I'll just solder the pin, just making sure.
It's weird you can't switch the gpio pin for PTT in software.
On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com <mailto:larry@n7fm.com>> wrote:
Skyler, Short answer is No!
My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin.
As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2
The Green LED is still the heartbeat indicator. The Red Led on the Fob is *NOT* the same as the PTT LED indicated on the modification schematic.
In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/
You will find a good description of the connections on that particular fob.
Larry - N7FM
On 10/12/2015 06:23 PM, Skyler Fennell wrote:
I previously got the CM108 sound fob from startech and had to solder to the tiny pin.
With this one
http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025
It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED.
If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT?
Skyler KD0WHB _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org <mailto:App_rpt-users@ohnosec.org> http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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-- Skyler Fennell amsatnet.info <http://amsatnet.info> KDØWHB electricity440@gmail.com <mailto:electricity440@gmail.com>
Why? One is made as a generic part meant to be sold by the millions and assembled by workers making a couple cents an hour requiring time and effort on your part to modify and the other was designed to do a specific job and sold in relatively few numbers for a specific purpose. I've never has an issue with a DMK dongle-- they just work. Way past the thrill of spending time modifying parts to do what it wasn't designed to do to save a few bucks. My time is worth more than $60 or $70 an hour and would rather spend it actually tweaking the system than getting it to run in the first place. And I have no financial interest in DMK or anything else around this system. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message.
On Oct 13, 2015, at 08:44, Skyler F <electricity440@gmail.com> wrote:
Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob.
On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote: That is the Mute LED. If you mute the CM108 there may be no audio.
On 10/13/2015 8:25 AM, Skyler Fennell wrote: To the pin with the red LED
On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com> wrote:
Where do you want to switch it to?
On 10/13/2015 8:08 AM, Skyler Fennell wrote: Ok, I'll just solder the pin, just making sure.
It's weird you can't switch the gpio pin for PTT in software.
On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com> wrote:
Skyler, Short answer is No!
My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin.
As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2
The Green LED is still the heartbeat indicator. The Red Led on the Fob is NOT the same as the PTT LED indicated on the modification schematic.
In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/
You will find a good description of the connections on that particular fob.
Larry - N7FM
On 10/12/2015 06:23 PM, Skyler Fennell wrote: I previously got the CM108 sound fob from startech and had to solder to the tiny pin.
With this one
http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025
It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED.
If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT?
Skyler KD0WHB _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.
_______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.
-- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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I am with you Bryan. But we don’t need to be rough on the OP. I on my side prefer to have something like a URI on a production repeater cause if there is a problem, I don’t want to search hi and low for a cold solder joint on a pin the size on fly dick. (well they look that small for me ). It must be because I worked on servicing high level security system and doing system integration that I think like that.. the money is more then well spent for the simple reason that when something goes crazy, you don’t want more things to look at then you need. Pierre VE2PF From: Bryan D. Boyle Sent: Tuesday, October 13, 2015 9:28 AM To: app_rpt-users@ohnosec.org Subject: Re: [App_rpt-users] Quick sound fob question Why? One is made as a generic part meant to be sold by the millions and assembled by workers making a couple cents an hour requiring time and effort on your part to modify and the other was designed to do a specific job and sold in relatively few numbers for a specific purpose. I've never has an issue with a DMK dongle-- they just work. Way past the thrill of spending time modifying parts to do what it wasn't designed to do to save a few bucks. My time is worth more than $60 or $70 an hour and would rather spend it actually tweaking the system than getting it to run in the first place. And I have no financial interest in DMK or anything else around this system. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message. On Oct 13, 2015, at 08:44, Skyler F <electricity440@gmail.com> wrote: Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob. On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote: That is the Mute LED. If you mute the CM108 there may be no audio. On 10/13/2015 8:25 AM, Skyler Fennell wrote: To the pin with the red LED On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com> wrote: Where do you want to switch it to? On 10/13/2015 8:08 AM, Skyler Fennell wrote: Ok, I'll just solder the pin, just making sure. It's weird you can't switch the gpio pin for PTT in software. On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com> wrote: Skyler, Short answer is No! My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin. As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2 The Green LED is still the heartbeat indicator. The Red Led on the Fob is NOT the same as the PTT LED indicated on the modification schematic. In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/ You will find a good description of the connections on that particular fob. Larry - N7FM On 10/12/2015 06:23 PM, Skyler Fennell wrote: I previously got the CM108 sound fob from startech and had to solder to the tiny pin. With this one http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025 It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED. If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT? Skyler KD0WHB _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. -- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. -------------------------------------------------------------------------------- _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.
Thus the beauty of ham radio! Those that want to homebrew can... Those that don’t want to; can buy it ready made! Some of us like to engineer and build, troubleshoot and use. Others who's time is more valuable or limited, just buy what they need. This is why my HF linear amplifiers are home brew! On the other hand.. I also have a Nano Node. Go figure. 73 Jim W7RY From: Pete M Sent: Tuesday, October 13, 2015 6:48 AM To: Bryan D. Boyle ; app_rpt-users@ohnosec.org Subject: Re: [App_rpt-users] Quick sound fob question I am with you Bryan. But we don’t need to be rough on the OP. I on my side prefer to have something like a URI on a production repeater cause if there is a problem, I don’t want to search hi and low for a cold solder joint on a pin the size on fly dick. (well they look that small for me ). It must be because I worked on servicing high level security system and doing system integration that I think like that.. the money is more then well spent for the simple reason that when something goes crazy, you don’t want more things to look at then you need. Pierre VE2PF From: Bryan D. Boyle Sent: Tuesday, October 13, 2015 9:28 AM To: app_rpt-users@ohnosec.org Subject: Re: [App_rpt-users] Quick sound fob question Why? One is made as a generic part meant to be sold by the millions and assembled by workers making a couple cents an hour requiring time and effort on your part to modify and the other was designed to do a specific job and sold in relatively few numbers for a specific purpose. I've never has an issue with a DMK dongle-- they just work. Way past the thrill of spending time modifying parts to do what it wasn't designed to do to save a few bucks. My time is worth more than $60 or $70 an hour and would rather spend it actually tweaking the system than getting it to run in the first place. And I have no financial interest in DMK or anything else around this system. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message. On Oct 13, 2015, at 08:44, Skyler F <electricity440@gmail.com> wrote: Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob. On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote: That is the Mute LED. If you mute the CM108 there may be no audio. On 10/13/2015 8:25 AM, Skyler Fennell wrote: To the pin with the red LED On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com> wrote: Where do you want to switch it to? On 10/13/2015 8:08 AM, Skyler Fennell wrote: Ok, I'll just solder the pin, just making sure. It's weird you can't switch the gpio pin for PTT in software. On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com> wrote: Skyler, Short answer is No! My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin. As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2 The Green LED is still the heartbeat indicator. The Red Led on the Fob is NOT the same as the PTT LED indicated on the modification schematic. In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/ You will find a good description of the connections on that particular fob. Larry - N7FM On 10/12/2015 06:23 PM, Skyler Fennell wrote: I previously got the CM108 sound fob from startech and had to solder to the tiny pin. With this one http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025 It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED. If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT? Skyler KD0WHB _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. -- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. -------------------------------------------------------------------------------- _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. -------------------------------------------------------------------------------- _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.
not being rough, just blatantly honest. it comes down to what is worth more: getting a machine working (the goal) or fiddling with components (expending time and lots of aggida) to do something that is already available off the shelf? (the process) See it all the time, and I've been melting solder for decades. Built my first computer (IMSAI 8080) in '76. was fun then, but we had no options, right? Hand loading the bootstrap on a front panel. Paper tape. Now? Not so much. As I get older, efficiency of time expended is more important than saving a minor amount of $. What's that old saying? "when you're up to your derriere in alligators, it's hard to remember your initial job was to drain the swamp" Just a personal opinion, that's all. I like homebrew as much as the next; but I focus on things that aren't available off the shelf for a reasonable cost. Cuts down on the debugging and failure points and gets you to the goal faster so you can concentrate on actually getting the device to do what you want without the question of whether your modifications are causing the issue or the software being squirelly. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message.
On Oct 13, 2015, at 09:48, Pete M <petem001@hotmail.com> wrote:
I am with you Bryan.
But we don’t need to be rough on the OP.
I on my side prefer to have something like a URI on a production repeater cause if there is a problem, I don’t want to search hi and low for a cold solder joint on a pin the size on fly dick. (well they look that small for me <wlEmoticon-winkingsmile[1].png> ).
It must be because I worked on servicing high level security system and doing system integration that I think like that.. the money is more then well spent for the simple reason that when something goes crazy, you don’t want more things to look at then you need.
Pierre VE2PF
From: Bryan D. Boyle Sent: Tuesday, October 13, 2015 9:28 AM To: app_rpt-users@ohnosec.org Subject: Re: [App_rpt-users] Quick sound fob question
Why?
One is made as a generic part meant to be sold by the millions and assembled by workers making a couple cents an hour requiring time and effort on your part to modify and the other was designed to do a specific job and sold in relatively few numbers for a specific purpose.
I've never has an issue with a DMK dongle-- they just work. Way past the thrill of spending time modifying parts to do what it wasn't designed to do to save a few bucks. My time is worth more than $60 or $70 an hour and would rather spend it actually tweaking the system than getting it to run in the first place.
And I have no financial interest in DMK or anything else around this system. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message.
On Oct 13, 2015, at 08:44, Skyler F <electricity440@gmail.com> wrote:
Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob.
On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote: That is the Mute LED. If you mute the CM108 there may be no audio.
On 10/13/2015 8:25 AM, Skyler Fennell wrote: To the pin with the red LED
On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com> wrote:
Where do you want to switch it to?
On 10/13/2015 8:08 AM, Skyler Fennell wrote: Ok, I'll just solder the pin, just making sure.
It's weird you can't switch the gpio pin for PTT in software.
On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com> wrote:
Skyler, Short answer is No!
My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin.
As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2
The Green LED is still the heartbeat indicator. The Red Led on the Fob is NOT the same as the PTT LED indicated on the modification schematic.
In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/
You will find a good description of the connections on that particular fob.
Larry - N7FM
On 10/12/2015 06:23 PM, Skyler Fennell wrote: I previously got the CM108 sound fob from startech and had to solder to the tiny pin.
With this one
http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025
It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED.
If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT?
Skyler KD0WHB _______________________________________________ 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 _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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I guess that is part of being a ham and wanting to experiment and build or modify something. When I could buy 10 for $10 and spend maybe 10 minutes to modify one, it is worth my time to save some money. Even with buying 10 and modding them is still doesn't cost what a dmk uri cost. To each their own but I will stick to the ham radio side of things and try it myself first! Corey n3fe Sent from my iPhone
On Oct 13, 2015, at 9:28 AM, Bryan D. Boyle <bdboyle@bdboyle.com> wrote:
Why?
One is made as a generic part meant to be sold by the millions and assembled by workers making a couple cents an hour requiring time and effort on your part to modify and the other was designed to do a specific job and sold in relatively few numbers for a specific purpose.
I've never has an issue with a DMK dongle-- they just work. Way past the thrill of spending time modifying parts to do what it wasn't designed to do to save a few bucks. My time is worth more than $60 or $70 an hour and would rather spend it actually tweaking the system than getting it to run in the first place.
And I have no financial interest in DMK or anything else around this system. -- Bryan Sent from my iPhone 6S...No electrons were harmed in the sending of this message.
On Oct 13, 2015, at 08:44, Skyler F <electricity440@gmail.com> wrote:
Oh. Well thanks for the replies. I don't see how the URI is 25 times more expensive than the sound fob.
On Tue, Oct 13, 2015 at 6:36 AM, Steve Zingman <szingman@msgstor.com> wrote: That is the Mute LED. If you mute the CM108 there may be no audio.
On 10/13/2015 8:25 AM, Skyler Fennell wrote: To the pin with the red LED
On Oct 13, 2015, at 6:23 AM, Steve Zingman <szingman@msgstor.com> wrote:
Where do you want to switch it to?
On 10/13/2015 8:08 AM, Skyler Fennell wrote: Ok, I'll just solder the pin, just making sure.
It's weird you can't switch the gpio pin for PTT in software.
On Oct 12, 2015, at 11:54 PM, larry <larry@n7fm.com> wrote:
Skyler, Short answer is No!
My experience with the sound fobs that look similar to yours , You will still need to solder to Pin 13 to get the PTT logic. No way around that as on the CM-108 chip Pin 13 is not connected to anything so no place else to get that logic other than soldering a wire to the pin.
As for the COS signal (CM-108 Pin 48) that can be gotten from the left side of the volume down switch SW1 if you want to avoid soldering the COS line to Pin 48 on the sound chip. CTCSS can be retrieved from the right side of volume up SW2
The Green LED is still the heartbeat indicator. The Red Led on the Fob is NOT the same as the PTT LED indicated on the modification schematic.
In fact if you go here http://www.crompton.com/hamradio/usb_fob_modification/
You will find a good description of the connections on that particular fob.
Larry - N7FM
On 10/12/2015 06:23 PM, Skyler Fennell wrote: I previously got the CM108 sound fob from startech and had to solder to the tiny pin.
With this one
http://ebay.com/itm/291156304476?_mwBanner=1&varId=590306532025
It looks like it already has both LED's installed. I am assuming the red led is the same as the transmit LED.
If this is so, does that mean I don't have to solder to the tiny pin on the CM108 and I can just drive a transistor with the same wire as the LED for PTT?
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-- Skyler Fennell amsatnet.info KDØWHB electricity440@gmail.com _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB. 73, Steve N4IRS
The URI offers many extra features that most of us never touch. Great if really needed. I do like the "professional" look of the URI versus a (my) modified fob at a shared repeater building. tnx Mike / W5JR Alpharetta GA
On Oct 13, 2015, at 10:13 AM, Steve Zingman <szingman@msgstor.com> wrote:
To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB.
73, Steve N4IRS _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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The URI offers many extra features that most of us never touch. Such as? I've been thinking of producing a lower cost alternative, but realize that the cost of a GENUINE CM119 alone is more than you pay for a whole FOB from your favorite Chinese supplier. You then add the cost of an enclosure and board to the parts count, things add up pretty quickly.
Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB. My USB-RIM device went several steps further down the "additional features" path. It seems there are few people that want to pay for additional features or better engineering. <shrug>
Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531 On 10/13/2015 12:50 PM, W5JR Mike wrote:
The URI offers many extra features that most of us never touch. Great if really needed. I do like the "professional" look of the URI versus a (my) modified fob at a shared repeater building.
tnx Mike / W5JR Alpharetta GA
On Oct 13, 2015, at 10:13 AM, Steve Zingman <szingman@msgstor.com> wrote:
To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB.
73, Steve N4IRS
I expect many just use the RX/TX audio, a COS/RUS/CTCSS input, PTT and ground. Seldom both COS and CTCSS so that the cop command can switch from tone to carrier. And never use the extra GPIO pins for other things, like mic hang up for Tone/Carrier if separate COS/CTCSS aren't available, hi/low power on a remote or repeater, antenna 1 / 2 selection, discreet channel steering, porch light on/off, etc, etc. And if usbradio is used, then COS/CTCSS/RUS isn't even required. I have such a configuration - just 4 wires from the repeater radios (gnd, disc, mic, ptt). And I have several fobs to modify and free up that URI for a higher calling....someday. tnx Mike / W5JR Alpharetta GA On Oct 13, 2015, at 1:21 PM, Scott Zimmerman <n3xcc@repeater-builder.com> wrote:
The URI offers many extra features that most of us never touch. Such as? I've been thinking of producing a lower cost alternative, but realize that the cost of a GENUINE CM119 alone is more than you pay for a whole FOB from your favorite Chinese supplier. You then add the cost of an enclosure and board to the parts count, things add up pretty quickly.
Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB. My USB-RIM device went several steps further down the "additional features" path. It seems there are few people that want to pay for additional features or better engineering. <shrug>
Scott
Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531
On 10/13/2015 12:50 PM, W5JR Mike wrote: The URI offers many extra features that most of us never touch. Great if really needed. I do like the "professional" look of the URI versus a (my) modified fob at a shared repeater building.
tnx Mike / W5JR Alpharetta GA
On Oct 13, 2015, at 10:13 AM, Steve Zingman <szingman@msgstor.com> wrote:
To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB.
73, Steve N4IRS
App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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I expect many just use the RX/TX audio, a COS/RUS/CTCSS input, PTT and ground. Ok.... So the next question then is: How much would you pay for such a device?
Would you want it in an enclosure or "bare bones"? Blinky flashy lights? Any preference for an interface connector? DE-9? Scott Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531 On 10/13/2015 3:50 PM, W5JR Mike wrote:
I expect many just use the RX/TX audio, a COS/RUS/CTCSS input, PTT and ground. Seldom both COS and CTCSS so that the cop command can switch from tone to carrier. And never use the extra GPIO pins for other things, like mic hang up for Tone/Carrier if separate COS/CTCSS aren't available, hi/low power on a remote or repeater, antenna 1 / 2 selection, discreet channel steering, porch light on/off, etc, etc. And if usbradio is used, then COS/CTCSS/RUS isn't even required. I have such a configuration - just 4 wires from the repeater radios (gnd, disc, mic, ptt). And I have several fobs to modify and free up that URI for a higher calling....someday.
tnx Mike / W5JR Alpharetta GA
On Oct 13, 2015, at 1:21 PM, Scott Zimmerman <n3xcc@repeater-builder.com> wrote:
The URI offers many extra features that most of us never touch. Such as? I've been thinking of producing a lower cost alternative, but realize that the cost of a GENUINE CM119 alone is more than you pay for a whole FOB from your favorite Chinese supplier. You then add the cost of an enclosure and board to the parts count, things add up pretty quickly.
Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB. My USB-RIM device went several steps further down the "additional features" path. It seems there are few people that want to pay for additional features or better engineering. <shrug>
Scott
Scott Zimmerman Amateur Radio Call N3XCC 474 Barnett Road Boswell, PA 15531
On 10/13/2015 12:50 PM, W5JR Mike wrote: The URI offers many extra features that most of us never touch. Great if really needed. I do like the "professional" look of the URI versus a (my) modified fob at a shared repeater building.
tnx Mike / W5JR Alpharetta GA
On Oct 13, 2015, at 10:13 AM, Steve Zingman <szingman@msgstor.com> wrote:
To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB.
73, Steve N4IRS
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My 2 cents... Steve has it correct. Fobs and URIx = different chips & different capabilities. URIx has features plus trace connections to many pins that are not available or are not connected to in the FOB. In my case I use them both but for different reasons. URIx has more GPIO access plus other features. Nice package and can be used to control more complex functions on repeaters vs a dedicated simplex nodes. I normally use a modified Fob when trying to assist/entice someone to get into Allstar. Economics becomes a factor when someone hasn't a clue if the mode is something they even want to do. In the mind of a newbie $35 for a Pi2 (computer = cheap). Interfacing the computer to the radio (choice = $75 or say $5) A no brainer for those just wanting to try the unknown. Twice the cost of the PC for an interface or $5? The fact there is a choice is great and very much appreciated by myself and I'm sure many others. Then again there are still people who like to tinker and modify fobs just for fun. Larry - N7FM On 10/13/2015 07:13 AM, Steve Zingman wrote:
To some extent you are comparing oranges and tangerines. :) Lay the schematics side by side. The URI type device offers quite a few features not provided by a modified FOB.
73, Steve N4IRS _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users
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participants (9)
-
Bryan D. Boyle -
Corey Dean -
Jim -
larry -
Pete M -
Scott Zimmerman -
Skyler F -
Steve Zingman -
W5JR Mike