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A comment on Why does the alarm clock snooze button give you nine extra minutes, not ten?. Parent comment

Re:Why does the alarm clock snooze button give you nine extr... by raverbashing on Friday November 01, 2013 @03:23AM (#6652329)
It's not difficult, the IC has a pin to select between 50Hz and 60Hz so you just need to solder one or two resistors to make it work.

Something like this: http://www.bucek.name/pdf/lm8560.pdf

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