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Arduino alarm on mechanical clock

I am new to arduino and I am trying to hook a mechanical wooden gear clock to trigger an alarm or chime when the clock hands hit 12.
Does anyone know how I can go about this or any tutorial/instructable that does this or something similar?

Use a micro switch on the hands or even the gears inside.
zippystix (author)  mpilchfamily3 years ago
so it triggers as the hand passes over it?
where is the best place to get a micro switch
You can get them all over the place. It's a matter of finding one that has it's lever the way that would best suit your needs.