questionsany ideas for a door (open/close) counter?

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Your choice of counters should also hinge(pun intended) on whether the door is a flush mount or recessed mount.

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from bill's link, here's an Instructable that looks cool: http://www.instructables.com/id/Versatile-and-Low-Cost-Digital-Counter

basically it says get a contact reed switch and track the counts of contacts

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@tbgolladay: Brilliant! The tally counter looks to be perfect; door close, push the tab. Door open, pops back up for next time.

Thanks!

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@w00tgurl: @narfcake had asked for mechanical options ...

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@psaux: So my idea of taping a pencil and piece of paper to the cabinet is right out? :)