On 6/9/2005 at 5:01 PM L. V. Lammert 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. =============
If you can do serial port i/o, consider http://www.smarthome.com/1135.html
