Dave's Auduino - my first Auduino project

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Prodical

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Nov 7, 2010, 4:26:51 AM11/7/10
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Hiya

I've enjoyed working on my first Audino project - and so thought I'd
share my efforts with the Google group.

Dave’s Auduino features:
• 6 frequency mapping modes - logarithmic, chromatic, diatonic C major
and minor and pentatonic C major and minor - with the PWM_SYNC used
for the audio also triggering an LED - switchable between modes by a
button which cycles through them and differentiates by blinking an LED
according to the mode number;
• a light dependent resistor (LDR) or mini photocell - calibrated in
the first five-seconds after switching on - replacing the main (grain
repetition) frequency pot on a switch (using an external interrupt)
with an LED indicator when it’s active which also dims according to
the LDR value (if a bit erratically).

There's Flickr and Vimeo documentation, Arduino code, fabrication
templates, Fritzing file and an Excel file using Peter Lang’s equation
for working out the PWM frequency for all MIDI notes and my scales
available at my blog posting.

http://blog.lewissykes.info/daves-auduino/

Best

Lewis


Jesse Juup

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Nov 7, 2010, 7:14:50 PM11/7/10
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The enclosure looks stunning, very nice job indeed! Can I ask how
roughly much you ended up spending on getting the enclosure done?

The Vimeo video was great too and everything was so well documented
that I'm still amazed. :)

Thanks for sharing the Excel sheet with the values, I think it will
come in handy!

- Jesse -

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Prodical

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Nov 8, 2010, 7:49:45 AM11/8/10
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Thanks Jesse

The top and bottom plates fit easily on an A3 sheet of acrylic - which
cost about £3.50 at an Art & Crafts suppliers.

I etched and cut the acrylic using the free facilities at Fab lab
Manchester - so that cost me nothing - and I was able to refine the
design over several prototypes.

My experience of commercial laser cutting is that it isn't that cheap ~
£20 for any cutting...

The black nylon spacers, rubber feet and various screws probably cost
no more than £2 for the single unit - and though I had to buy packs of
larger quantities they're still inexpensive and useful for other
projects.

Best

Lewis

Jesse Juup

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Nov 8, 2010, 8:12:53 AM11/8/10
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Thanks for the info!

I have been looking at possibilities like manufacturing panels at
http://www.ponoko.com/ , but that Fab Lab is a great idea! Every city
should have a Fab Lab all around the planet.. hmm..

I read trough your whole blog, well gathered info and links there,
bookmarked!

- Jesse -

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