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Re: I had no idea
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Re: I had no idea ()

John K Jordan
>>>A loud sound could scare you at a critical point & cause an accident. A bright, well placed flashing light is a better safer option.

That might depend on the person. For me, a loud sound would not startle but a sudden visual thing off to the side might.

I suspect if you hook up a bell, buzzer, or other sound maker then have someone trigger it several times the tendency for it to surprise would be much less.

Here's a "startling" idea for an electronic's/arduino tinkerer: sense the machines running. If an intercom alert comes in when a machine is running save the event and sound the alert for when the machines are all off. A bit like an automatic blast gate circuit. Piece of cake. :)

JKJ

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