Alert Sound at the End of a Carve?

Does anyone out there know of a way to hook up a buzzer or electronic bell to go off at the end of a carve? I am normally on the other side of my shop and do not always know when the machine is finished.

Thanks in advance and Merry Christmas !

-= Brian Norris =-

You could add an IOT relay which shut router OFF after carve? (It will also turn ON at beginning of carve)

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Yeah, I was gonna say that I can hear the router and dust collector shut off at the end of the carves.

Thanks for the quick reply. I have mine set to turn on manually. I will definitely investigate the relay. It sounds like a perfect solution. Merry Christmas to all.