[Project] Random Looping Sequencer / Turing Machine

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Mongo1
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Post by Mongo1 »

Thanks Tombola,

I am planning to do a dual module, so I may end up doing something like mounting two of these to a perf-board, mounting that to a bracket, and then doing wire jumpers to the front panel components. I won't be able to do the twinkly lights, but I think I can live without them.

Gary
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Tombola
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Post by Tombola »

Dual module would be great. Unfortunately there aren't really any economies of scale - you could share the noise gen, but that's about it.

You should pull out all the blinkenlights into a 16 step circle!
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Mongo1
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Post by Mongo1 »

Unfortunately there aren't really any economies of scale
Well, this looks like a pretty low-cost build anyway. Surely there must be some way we could redesign it so the shift registers are implemented with 8 Vactrols :nana:

Gary
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sduck
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Post by sduck »

I've just ordered 20 pcbs. I'll probably use 2 and keep another 2, so the rest are available. I'm in central USA, so the overseas folks should probably use the other group buy. I'm not trying to step on the toes of anyone who might also be doing a buy of these pcbs, so I'll sell them to anyone for the cost of the pcb and basic shipping, so around 2.25 per pcb and the cost of a padded envelope and a stamp - probably the cheapest pcb you'll buy for a while! PM me if interested. If there's a huge response (probably not) I might make another order.
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raisinbag
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Post by raisinbag »

Sent ya a pm sduck. Can you put aside 9 of those? Cheers.
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sduck
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Post by sduck »

Ok folks, all the ones in my little run of 20 boards have been spoken for. I'll let you all know when I get them. I'd rather not accept any payments until I actually have these things here in my immediate physical presence. I'm new to the group buy organizer thing, and I've never dealt with pcbs or this company before, so I need to see how it works out before deciding to do another run of them.

Thanks Tombola for making all this possible!
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janvanvolt
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Post by janvanvolt »

I've just ordered 10 and also trying to get some decent acrylic panels.
i am located in germany. i _might_ do a groupbuy for the panel + pcb
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limpmeat
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Post by limpmeat »

Anyone else from Australia want to split a PCB order? I'd take 2.
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rowman
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Post by rowman »

limpmeat wrote:Anyone else from Australia want to split a PCB order? I'd take 2.
I'm down for that, I'll take 2 also.
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asterisk
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Post by asterisk »

thanks sduck!
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Tombola
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Post by Tombola »

Double!

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FetidEye
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Post by FetidEye »

wow, i thought that the left panel was the right choice..
But when I see the right one in working order... It's WAY cooler and more spaced out!!!! :woah:
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Tombola
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Post by Tombola »

Get one of each!
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Spandex
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Post by Spandex »

Great docs too. Did you have any thoughts about what the expansion header could be used for? I was just thinking about random looping gate sequences.
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Tombola
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Post by Tombola »

Spandex wrote:Great docs too. Did you have any thoughts about what the expansion header could be used for? I was just thinking about random looping gate sequences.
My thoughts so far:
1. Random (but repeating) gates
2. Random triggers via http://www.cgs.synth.net/modules/cgs24_ ... igger.html
3. Buffer some of of the data lines, then run them through slider potentiometers, then sum them back together, to make a mini-Klee. Essentially a user configurable D/A converter. I think many sliders are dual gang, so you could have two mirrored outputs.
4. Add more D/A converters, being fed from different points in the loop, to create canon / Analog Shift Register effects (might require a bit more calibration than I'd like)

Just a shame I ended up using such a weird shaped expansion header - I didn't want to run those 8xdata lines anywhere else around the PCB.
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Navs
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Post by Navs »

Bloody marvellous, Tom!
FetidEye wrote:wow, i thought that the left panel was the right choice..
But when I see the right one in working order... It's WAY cooler and more spaced out!!!! :woah:
:hmm: :lol:
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tony d
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Post by tony d »

Ok, i ordered 10 of these as well so if your in the states and want one i'll be selling 7.
Pm me and when the boards show up will figure out how to square up.
Also, like Sduck i'll sell them for the cost and a couple bucks for postage and a mailer.

EDIT:
2 reserved for Patchdub
2 reserved for Mikecameron
2 reserved for max
1 reserved for bennybones
Last edited by tony d on Fri Jun 22, 2012 7:40 pm, edited 3 times in total.
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limpmeat
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Post by limpmeat »

I have ordered 10 PCBS.

If you are in Australia, let me know if you are keen. So far there are 6 that are unspoken for.

EDIT They are all spoken for
Last edited by limpmeat on Wed Jun 06, 2012 9:34 pm, edited 1 time in total.
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limpmeat
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Post by limpmeat »

So...

I had one issue with submitting the PCB artwork with Itead studios. They were confused as to whether the holes below are circular or rectangular. After talking to Tombola, he confirmed they are circular. Hope this helps someone.

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marvkaye
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Post by marvkaye »

I ordered 20 of these (a dozen are spoken for in case anyone wants some here in USA), and had the same problem with the order. I looked at the build docs and available photos and couldn't see anything remotely resembling rectangular holes so I told them the circles were correct. They replied with an ok late last night so the order progresses. Pretty exciting. Thank you for sharing this with us, Tombola.

<marv>
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diablojoy
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Post by diablojoy »

limpmeat
pm'd
It probably wont happen today but if it does it definitely wont go smoothly.
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sduck
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Post by sduck »

Odd, I just sent them the zipped file of gerbers that are linked on the first page of this thread, and they didn't complain at all.
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Tombola
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Post by Tombola »

Yes, I only posted this after having sent those exact gerbers (minus one screenprint layer change), waiting 3 weeks and building the resulting board.

I find it hard to visualise ITead studio - might be two guys in a bedroom, might be a whole factory - although the order numbers are pretty low and don't go up very fast. There's an nice clip in their blog of how they do these proto orders, panelled together into bigger batches. I think (from a half-remembered comment somewhere) that they use the same fab house as seeedstudio - the same specifications etc.

The curious thing about this rectangular hole thing is that a rectangular hole would probably make sense in that position - I guess somewhere in the ('official') library that I used is a left over rectangular hole layer from an earlier version.
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zab
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Post by zab »

limpmeat wrote:So...

I had one issue with submitting the PCB artwork with Itead studios. They were confused as to whether the holes below are circular or rectangular. After talking to Tombola, he confirmed they are circular. Hope this helps someone.
This helped me. thx!

I ordered 10 of the pcb. i have 4-5 plus, i will let you know if they are available. I'm in europe, but if you pay the postage, doesn't matter where you are.
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HueMonContact
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Post by HueMonContact »

I'm ordering 10 pcbs tonight and I've been working on a panel for my diy case. Here's my ruff draft so far.

Image


I may add some features before completing my panel layout.
This is going to be a fun project. Thanks for sharing Tombola!
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