Thanks for the answers Joe. So I guess there are 3 options, 1) we get a GPIO for this purpose, 2) reverse-engineer the serial protocol and built a little interface box, 3) Elecraft releases details about the protocol used. I'd sure prefer number 1 if it was possible.
73, Thomas M0TRN On 4 September 2012 13:40, Joe Subich, W4TV <[email protected]> wrote: > On 9/4/2012 8:29 AM, Thomas Horsten wrote: > > I am wondering if anyone knows how the KXPA500 signals its state to > > the K3. > > Per previous information, proprietary serial protocol on pin 2 (AUX > bus). > > > What cable is used to interconnect the two? > > 15 pin HD - KPAK3AUX. see: > http://www.elecraft.com/manual/KPAK3AUX%20Cable%20Set%20Instructions.pdf > > > There might already be a GPIO > > No - read the K3 Owner's manual for a description of the GPIO signals > on the ACC connector. > > 73, > > ... Joe, W4TV > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
