I tried my normal echolink circuit but it won't kick the PTT on the MII.
From: Repeater-Builder@yahoogroups.com [mailto:repeater-buil...@yahoogroups.com] On Behalf Of wb8art Sent: Thursday, April 16, 2009 7:59 PM To: Repeater-Builder@yahoogroups.com Subject: [Repeater-Builder] Re: MASTR II PTT Vern, If your relay coil doesn't draw very much current it probably would work. I would say using a opto isolator or minumum a transistor switch would be a more practical method. I use a simple 2n2222 transitor to fire a MII for echolink. Randy --- In Repeater-Builder@yahoogroups.com <mailto:Repeater-Builder%40yahoogroups.com> , "Vernon Densler" <m...@...> wrote: > > I am trying to key my MASTR II from my PC. Is there any reason I can't use > a 5v 1a relay connected to the serial port and the PTT line on the MASTR II > to do this? > > > > Thanks, > > Vern > > KI4ONW >
