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Watch out! I just nuked 1-post user "gear101" after receiving five different complaints over the course of about 20mins that he's sending PMs to people offering to sell gear. Seems pretty fishy! I'm sure he'll be back under a different name but with the same old game. Be careful! Thanks to everyone who let me know about this guy.



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[Project] Random Looping Sequencer - PCB, video, build notes
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Author [Project] Random Looping Sequencer - PCB, video, build notes
Tombola
Super Deluxe Wiggler


Joined: 23 Jan 2011
Last Visit: 30 Jul 2014

Posts: 1239
Location: London, England

PostPosted: Sat Jun 02, 2012 9:17 am    Post subject: [Project] Random Looping Sequencer - PCB, video, build notes Reply with quote Add User to Ignore List

The BUILD THREAD part starts here: Discussion of parts, issues, help: http://www.muffwiggler.com/forum/viewtopic.php?t=60740&postdays=0&post order=asc&start=120

NB: If your board is marked "Rev 2", then please read this addendum before building.
If you have a "Rev 2.1 (cap fix)" board, build according to silkscreen & instructions




http://vimeo.com/42939320

This is an update from this thread about my DIY random looping sequencer.

Hopefully the video explains what it does - it's a looping shift register sequencer, inspired by Ken Stone's Gated Comparator and Grant Richter's Noise Ring. It can loop for ever or be completely random, with CV control over the random vs loop-iness. You cannot program it to play specific tunes. You cannot save sequences. You can never go back to a sequence that has changed. Itís designed as a sequencer that you can steer roughly in one direction or another.

+ it makes a crazy wavetable wave shaper when clocked at audio rates

I built it as a Eurorack module, 10hp, very shallow, around 40mA.

How to get PCBs, panels and parts: The pcb and all the documents are Creative Commons licensed. You can make them, sell them, modify them, so long as you share your changes and mention me (Tom Whitwell)

Here is the Random sequencer project page, or jump straight to the Random Sequencer PDF Documentation, with block diagram, schematic, BOM etc.

I'm not selling PCBs myself. I got mine made by iTead studio in China. Just £17 gets you ten boards shipped to London in about 3 weeks (ie £1.70 per board!) Full details, the ready-to-post gerber PCB files, a £15 Mouser BOM and the files for laser cut acrylic panels are in Getting the parts to build a random sequencer. With luck, the whole thing could cost less than


Last edited by Tombola on Sun Sep 30, 2012 4:25 pm; edited 11 times in total
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ultrashock
Veteran Wiggler


Joined: 24 Jun 2010
Last Visit: 26 Jul 2014

Posts: 557
Location: Underhaven

PostPosted: Sat Jun 02, 2012 9:38 am    Post subject: Reply with quote Add User to Ignore List

wow! really cool project and nice alternative (or stab in the back hihi ) to Malekko/Wiard Noisering.
Thanx for sharing! Guinness ftw!
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Pfurmel
Super Deluxe Wiggler


Joined: 31 Mar 2010
Last Visit: 31 Jul 2014

Posts: 1513
Location: Ireland

PostPosted: Sat Jun 02, 2012 9:45 am    Post subject: Reply with quote Add User to Ignore List

Cool, might see if I can modify the layout and etch a pcb for this.
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diablojoy
Ultra Wiggler


Joined: 22 Jan 2010
Last Visit: 30 Jul 2014

Posts: 986
Location: melbourne

PostPosted: Sat Jun 02, 2012 9:50 am    Post subject: Reply with quote Add User to Ignore List

really interesting sequencer
might have build one thumbs up

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Rod Serling Fan Club
aquatic hitchhiker


Joined: 14 Dec 2009
Last Visit: 28 Jul 2014

Posts: 3699
Location: Germany

PostPosted: Sat Jun 02, 2012 9:53 am    Post subject: Reply with quote Add User to Ignore List

That's great Tombola. It's admirable that you are sharing your work.

I really dig the acrylic panel with the flashing light strip.

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jenamu6
Super Deluxe Wiggler


Joined: 14 May 2009
Last Visit: 17 Jul 2014

Posts: 2235
Location: Rotterdam

PostPosted: Sat Jun 02, 2012 10:03 am    Post subject: Reply with quote Add User to Ignore List

Groupbuy for the PCB?
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mckenic
pew!pew!pew!kthnxbye!


Joined: 06 Aug 2010
Last Visit: 31 Jul 2014

Posts: 4565
Location: Limerick, Ireland

PostPosted: Sat Jun 02, 2012 10:44 am    Post subject: Reply with quote Add User to Ignore List

we're not worthy

Oh my LORD!

WoW!

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haima
Ultra Wiggler


Joined: 25 Dec 2010
Last Visit: 27 Jul 2014

Posts: 836
Location: Melbourne, Australia

PostPosted: Sat Jun 02, 2012 10:50 am    Post subject: Reply with quote Add User to Ignore List

Very nice SlayerBadger!

The "lock" function is awesome - obviously it's something a lot of people wish the noisering had (not to diss the noisering though, it's got it's own thing going on).

Thanks for sharing!
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xerxl
Common Wiggler


Joined: 10 May 2012
Last Visit: 31 Jul 2014

Posts: 126
Location: Maine

PostPosted: Sat Jun 02, 2012 11:30 am    Post subject: Reply with quote Add User to Ignore List

A groupbuy would be great. I don't know anything about these file types and I'm a bit hesitant to try to order these by myself.
You probably realize that I'm pretty new to this diy but I'd love to give it a try.
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ATOM
Common Wiggler


Joined: 31 Aug 2008
Last Visit: 04 Apr 2014

Posts: 213
Location: Norway

PostPosted: Sat Jun 02, 2012 11:41 am    Post subject: Reply with quote Add User to Ignore List

Will this work on a 15volt supply?

ATOM

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