Oh, yes I've never used one of those. Maybe this will work: YAESU/FT-250R_FT270R pinouts + pin plug <http://hammadeparts.jivetones.com/Amateur_Radio_Manuals_Schematics/YAESU/FT-250R_FT270R%20pinouts%20+%204%20pin%20plug.jpg>
On Wed, Feb 6, 2019 at 8:26 AM K6DLC <[email protected]> wrote: > That shows only the connection from the sm1000 to the radio. It does not > show using a handheld mic. Where do you speak into? > > On 2/6/2019 12:00 AM, Steve wrote: > > this maybe: > > > > https://freedv.org/sm-1000-hardware-howto/ > > > > On Wed, Feb 6, 2019 at 12:28 AM K6DLC <[email protected]> wrote: > >> Does anyone have an idea on how to interface a handheld/desk > >> microphone to use the sm1000? > >> > >> > >> On 2/4/2019 10:24 AM, Don wrote: > >>> I am currently working on getting the 700D mode to work with the > SM1000. > >>> It is not certain that this will be possible because of the memory > >>> needed. > >>> > >>> Also Dave is looking at new compression modes with different > performance > >>> and bandwidths. > >>> > >>> I see the current firmware as best suited for experimenting and > developing > >>> on a desktop PC. To make a small, low cost embedded version one would > >>> likely want to do a major re-write of the code. Lacking that, I > suggest > >>> that you look at processor versions that have a lot more memory so that > >>> it will support future modes. The STM32F7 family looks interesting. > >>> > >>> Don Reid - W7DMR > >>> > >>> On Mon, Feb 04, 2019 at 05:42:15PM +0000, Richard wrote: > >>>> Hi All, > >>>> > >>>> I hear this mailing list covers the SM1000 hardware implementation. > >>>> > >>>> I am thinking of (well, I've started) designing a "module" version > designed > >>>> to plug into a rig. The idea being that if you're building a radio > you can > >>>> include a small plug-in module on pin headers that adds digital voice. > >>>> Because it lives inside other equipment it can be smaller and simpler > than > >>>> the SM1000, just keeping the core functionality without the isolated > >>>> interfaces, external enclosure, etc. Essentially it's a stripped-down > >>>> SM1000 in a smaller physical form factor. I've not got as far as a > draft > >>>> placement but I am anticipating something on the order of 50 mm > square. > >>>> > >>>> Is anyone else interested in this? Any comments or suggestions? > >>>> > >>>> If no-one else wants it I will probably build a few for myself anyway. > >>>> Software is not my thing so unless there's a good reason otherwise I > expect > >>>> it to run the standard SM1000 firmware. > >>>> > >>>> A couple of things I have not been able to work out, 1. what's the > >>>> not-fitted EEPROM intended for? and 2. what is the USB OTG used for? > It > >>>> looks like device mode is used for updates but in what situation > would host > >>>> mode be used? > >>>> > >>>> Richard > >>>> M1FJA > >>>> _______________________________________________ > >>>> Freetel-codec2 mailing list > >>>> [email protected] > >>>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > >>> > >>> _______________________________________________ > >>> Freetel-codec2 mailing list > >>> [email protected] > >>> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > >>> > >> -- > >> ----------------------------------------------- > >> Daniel Curry > >> > >> California American Legion Amateur Radio > >> Area 2 Commission and California Department Chair. > >> > >> Trustee for Palo Alto Veterans hospital KI6UIG > >> > >> US Air Force Veteran > >> PGP: AD5A 96DC 7556 A020 B8E7 0E4D 5D5E 9BA5 C83E 8C92 > >> > >> > >> > >> _______________________________________________ > >> Freetel-codec2 mailing list > >> [email protected] > >> https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > _______________________________________________ > > Freetel-codec2 mailing list > > [email protected] > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > -- > Daniel Curry > > California American Legion Amateur Radio > Area 2 Commission and California Department Chair. > > Trustee for Palo Alto Veterans Hospital KI6UIG > > US Air Force Veteran > PGP: AD5A 96DC 7556 A020 B8E7 0E4D 5D5E 9BA5 C83E 8C92 > > > > > _______________________________________________ > Freetel-codec2 mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >
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