Re: I7SWX PTT Pop Mute


I used a 5v arduino relay module. with 1 normal open  and  1 normal closed contact.
I used the normally closed contacts so there is audio in rx mode.
When tx occurs the contacts open.
My power source for the relay activation comes from a tx led mod.

The best is a reed relay 


On Sun, Jul 30, 2017 at 11:05 PM, KC8WBK via Groups.Io <cruisenewsnet@...> wrote:
What type of relay works best for this?

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