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Topic: Simple, Portable, Countdown Device Design (Read 56 times) previous topic - next topic


Forgive me for asking again for help on a worn out subject such as countdown timers.  Normally, I'd take on the challenge of design using the many pieces of information already posted, but time constraints force me to find a short cut.

I'm willing to pay for the design of a simple, portable, countdown timer, capable of milliseconds, that sounds a horn/beep when countdown timer reaches zero.  I have placed a crude sketch and requirements list below.  I suspect the design would be simple for some of the vets on this board, given other devices that have already been built.  I'd be interested in your feedback/comments.



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