Re: HOW to convert signal level for external-siren

[Frank Olson <use_the_email_links@xxxxxxxxxxxxxxxxxxxxxx>]

RockyTSquirrel wrote:
> like frank said  you got a 50/50  chance of getting it right the first
> time..
> just make sure the banded end of both diodes are in the same direction..
>
> if the siren keeps sounding in the off condition,  then reverse the diodes.
>
> if that stops the sounding,  then trip the alarm and make sure that they do
> sound in alarm..


Just make sure they're in "series" with either the positive or negative
lead from the siren.  Don't try "shunting" across the siren outputs (+)
and (-) directly.