how about making up a little relay box, power the relay (coil) from the K3 aux out and the other units from your PSU via the relay - then when you turn off the K3, the other units go off too. Don't forget a protection diode across the relay. 73 de M0XDF (K3 #174, P3 #108, KX3 #???) -- It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends. -J.K. Rowling, author (b. 1965)
On 19 Dec 2011, at 13:55, Giuseppe Sorrentino wrote: > Hy to all, perhaps there's someone has already done this. I must wire the > microham usbIII interface to my K3/P3. Now i have the P3 that take the 13.8v > from the back of my K3 but also the interface has a cable to connect to that > jack on the back of K3. Is it a particular reason to leave the P3 cable on > the 13.8 conn on the back of K3 and wire the microham to a power supply or > nothing particular??? ______________________________________________________________ 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

