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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
214ms...
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DUBmatze



Joined: Feb 18, 2013
Posts: 150
Location: south Germaica (schwabilon)

PostPosted: Wed Oct 15, 2014 12:08 pm    Post subject: 214ms... Reply with quote  Mark this post and the followings unread

i thinking about a new Sequencer (http://electro-music.com/forum/topic-63019.html)

I have a Arduino shild that can generate exact clocks. (its so simple) but i want a Lunetta modul for that.

i have some (wrong ordered) 1mhz xtals here. how do i build a osc from that?

and how do i divide it with 4040 down to
1/8@140bpm (~214ms, ~4.67Hz)
1/8@70bpm (~429ms ~2.33Hz)
?


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PHOBoS



Joined: Jan 14, 2010
Posts: 5581
Location: Moon Base
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PostPosted: Wed Oct 15, 2014 12:21 pm    Post subject: Reply with quote  Mark this post and the followings unread

Take a look at the CD4060 datasheet I think there is an example in there how to use a crystal and it already gives
you most of the divisions a 4040 would give you.

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