On 6/9/05, L. V. Lammert <[EMAIL PROTECTED]> wrote:
> It would be nice to have a simple way to trip an external flashing alarm
> beacon when attention is needed, .. no operator is normally at this system.
> 
> Has anyone run across a simple way to trip an external beacon? USB? Adding
> a I/O card seems pretty overkill, especially as external relays require a
> four slot minimum, .. the parallel port is already tied up with a printer.

I'm not aware of anything supported under OpenBSD,
but this article could be a good start towards such a project:
     http://www.linuxjournal.com/article/7353


Kevin Kadow

(Yes, I know the article is about Linux.  But the $59  USB beacon
they used in the article is platform-agnostic.)

Reply via email to