No Mel, I have made one that has 8 relays and wrote the software For it but don´t know if someone would add it, Now it is made to select antennas but can do more then that
> -----Oorspronkelijk bericht----- > Van: Mel [mailto:ve...@videotron.ca] > Verzonden: donderdag 7 januari 2010 11:06 > Aan: ON4AOI > CC: dx4win@mailman.qth.net > Onderwerp: Re: [Dx4win] Wish List > > Well I thought the idea of making a hardware switch to control more > than > 2 radios was a great idea... how I leave up to the experts ;-) I > suppose > the ideal solution would be a USB driven relay box such as we use for > band switches. Is there any sort of standard for this functionality > yet? > > ON4AOI wrote: > > Hi Randy and others, > > To make a hardware box that switches between lets say 4 radio´s Isn´t > a big > > problem, > > making a PCB for it is also easy done If Paul provides a second > output pin > > on LPT port, > > > > BUT is it worth doing it for a LPT port ? > > > > - No contest-program are offering it now, and maybe never will > > - Let say you have to select the 3th radio for a contest you have to > rewire > > your station...... > > - Laptops, netbooks and many brand PC´s don´t have LPT ports anymore > > - In PC´s you can put a PCI or PCIEX board if you find still full > wired > > ports at a good price > > - BTW USB to LPT adapters are not working, We even bought some that > claimed > > to do it all > > but had to send them back, (printing was ok but assigning a cmd to > a > > dedicated pin was out of the question) > > > > I would go for a serial port (USB to SERIAL adapter works perfect and > can go > > upto com255) It will > > need some user setup, for example RTS=0 & DTR=0 > Radio 1 RTS=0 & > DTR=1 > > > Radio 2 > > RTS=1 & DTR=1 > Radio 3 > > RTS=1 & DTR=0 > Radio 4 > > (If a 3th line is assigned you can have 8 radio´s) I think this is > much > > easier for other programmers (contest software) to implement another > serial > > with this function for more then 2 radio´s > > > > If you still wanna use LPT pin14 for switching between radio1 and > radio2 it > > all depends Now on who is set up for radio1 and radio2 (User input), > but LPT > > pin14 (and if needed another one) could also be assigned to a serial > pin You > > only need to lower the voltage from 12V to 5V (can be done with zener > diode) > > To switch SO2R hardware. > > > > Guy ON4AOI > > > >> -----Oorspronkelijk bericht----- > >> Van: dx4win-boun...@mailman.qth.net [mailto:dx4win- > >> boun...@mailman.qth.net] Namens Randy Farmer > >> Verzonden: woensdag 6 januari 2010 4:49 > >> Aan: W9RPM; DX4WIN > >> Onderwerp: Re: [Dx4win] Wish List > >> > >> > >>> Hi, I really like the option to choose between different radios > >> quickly. > >>> Would it be hard to be able to include more than 2 in the next > >> release? I > >>> would personally like to see 4. This is especially handy on VHF/UHF > >> with > >>> different radios, not the all in one. Thanks- John W9RPM > >> The problem with this is that it would require a proprietary > hardware > >> interface. The existing two-radio switching uses the "industry > >> standard" LPT pin 14 toggle that's been around since the days of DOS > >> loggers such as CT and TR. Paul even made the logic of this control > >> line selectable to work with NA in Version 7. This convention works > >> well with several commercially-available SO2R switch boxes such as > >> the Top Ten DX Doubler I use. Using more than one LPT pin to do the > >> radio selection would require some sort of decoding hardware to do > >> the switching. I suppose pin 14 could serve as the least significant > >> bit of a two-bit radio select word and it would be up to the user to > >> come up with a custom switchbox to switch the various audio and > >> control lines among the four radios. I know of no hardware that > >> supports more than two radios. > >> > >> 73... > >> Randy, W8FN > >> > >> ______________________________________________________________ > >> Dx4win mailing list > >> Home: http://mailman.qth.net/mailman/listinfo/dx4win > >> Help: http://mailman.qth.net/mmfaq.htm > >> Post: mailto:Dx4win@mailman.qth.net > >> > >> This list hosted by: http://www.qsl.net > >> Please help support this email list: http://www.qsl.net/donate.html > > > > ______________________________________________________________ > > Dx4win mailing list > > Home: http://mailman.qth.net/mailman/listinfo/dx4win > > Help: http://mailman.qth.net/mmfaq.htm > > Post: mailto:Dx4win@mailman.qth.net > > > > This list hosted by: http://www.qsl.net > > Please help support this email list: http://www.qsl.net/donate.html > >
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