[Project] Turing Machine Mk2

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Tombola
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[Project] Turing Machine Mk2

Post by Tombola » Wed Apr 06, 2016 3:41 am

Image
The new Turing Machine is finally finished. It is a random looping sequencer, with many improvements on the previous version:
  • * Rotary loop length switch
    * Pulse out
    * Two boards, includes Backpack circuit to drive expanders (compatible with old Music Thing expanders)
    * Easier to build: a larger PCB in the same width, clock and noise circuits are more robust
    * Noise level trimmer & reduced voltage in noise circuit to make circuit more robust with different noise transistors
    * Compatible with existing Music Thing expanders
Kits will soon be available from Thonk

Design files are in Github (BOM etc on the way when I get to it)

And here's DivKid explaining the whole thing BRILLIANTLY:

[video][/video]

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DomMorley
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Post by DomMorley » Wed Apr 06, 2016 4:12 am

:banana:
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qfactor
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Post by qfactor » Wed Apr 06, 2016 5:57 am

:w00t: :w00t: :w00t: :w00t:

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mbroers
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Post by mbroers » Wed Apr 06, 2016 8:30 am

looks awesome, new panel design is cool as hell! :nana:

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Bamboombaps
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Post by Bamboombaps » Wed Apr 06, 2016 11:16 am

Awesome been looking out for this.. Mabye ill get this one to lock :hmm:

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Post by roger » Wed Apr 06, 2016 12:56 pm

so i have all the parts for the ver1 lying around except for the pcbs. missed the last opportunity to buy them from thonk and now with the ver2 around, i'm wondering how much difference is there in terms of parts? i don't expect them to be identical :hmm:

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Tombola
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Post by Tombola » Wed Apr 06, 2016 3:22 pm

roger wrote:so i have all the parts for the ver1 lying around except for the pcbs. missed the last opportunity to buy them from thonk and now with the ver2 around, i'm wondering how much difference is there in terms of parts? i don't expect them to be identical :hmm:
Not identical, but limited changes - I'd guess maybe 10% different.

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Tombola
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Post by Tombola » Wed Apr 06, 2016 3:22 pm

Bamboombaps wrote:Awesome been looking out for this.. Mabye ill get this one to lock :hmm:
The little trimmer (behind the hole between write & scale) is designed to make that easier.

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masterofstuff124
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Post by masterofstuff124 » Wed Apr 06, 2016 4:17 pm

huzzah i love front mounted recessed trimmers that are still accesible through the panel!

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The_Crooked_Man
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Post by The_Crooked_Man » Thu Apr 07, 2016 10:18 am

Any chance there will be black panels to match the old expanders?

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Post by Thonk Support » Thu Apr 07, 2016 10:53 am

The_Crooked_Man wrote:Any chance there will be black panels to match the old expanders?
edit:

I'll do a final run of the acrylic panels but I won't be making new acrylic designs for the new modules. But I will be releasing all the manufacturing files for them and details on getting them made. So it would be quite simple for someone to make new designs to match.
Last edited by Thonk Support on Thu Apr 07, 2016 11:22 am, edited 2 times in total.
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Waz
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Post by Waz » Thu Apr 07, 2016 11:00 am

Any plans in the works to house this and all the expanders under one panel?

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Post by Thonk Support » Thu Apr 07, 2016 11:14 am

Waz wrote:Any plans in the works to house this and all the expanders under one panel?
Considering it, but with 5 expanders and rising (including chaining multiple volts modules) it doesn't make quite as much sense anymore I don't think.

Image
Last edited by Thonk Support on Fri Apr 15, 2016 7:57 am, edited 1 time in total.
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qfactor
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Post by qfactor » Thu Apr 07, 2016 11:15 am

Monobass wrote:
The_Crooked_Man wrote:Any chance there will be black panels to match the old expanders?
I won't be manufacturing the acrylic panels any more but I will be releasing all the manufacturing files for them and details on getting them made. So it would be quite simple for someone to make new designs to match.
So you won't be clearing your acrylic stocks anymore?

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Post by Thonk Support » Thu Apr 07, 2016 11:17 am

qfactor wrote:
Monobass wrote:
The_Crooked_Man wrote:Any chance there will be black panels to match the old expanders?
I won't be manufacturing the acrylic panels any more but I will be releasing all the manufacturing files for them and details on getting them made. So it would be quite simple for someone to make new designs to match.
So you won't be clearing your acrylic stocks anymore?
Sorry I should be more specific, I am going to do another run first. But i'm not producing a design for the new module in the old styles.
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davidh
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Post by davidh » Fri Apr 08, 2016 3:21 am

this is just perfection, will get one with the pulse expander :banana:

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Post by pre55ure » Fri Apr 08, 2016 4:15 am

Cool! :party:

Does this preclude the 9v regulator fix from the older version?

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turing

Post by midirobot » Fri Apr 08, 2016 7:22 am

so cool !!!

can t wait to try:)

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Post by Bamboombaps » Sat Apr 09, 2016 4:59 pm

Tombola wrote:
Bamboombaps wrote:Awesome been looking out for this.. Mabye ill get this one to lock :hmm:
The little trimmer (behind the hole between write & scale) is designed to make that easier.
Brilliant stuff. Btw if I replaced a resistor with a trimmer in my original one could I trim the locking problem away? If so any idea which one? Or is it all different now?

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Post by ambrohski » Sun Apr 10, 2016 12:09 am

So, I understand locking to the left with the length selector 16 makes the loop length 32. Does it then mean the other length values on the selector will be doubled when locked to the left? :hmm:

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Post by lcf » Sun Apr 10, 2016 2:05 am

Waz wrote:Any plans in the works to house this and all the expanders under one panel?
Magpie Modular makes it for the first version. I think that they will make it for this one too.

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Tombola
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Post by Tombola » Sun Apr 10, 2016 6:39 am

pre55ure wrote:Cool! :party:

Does this preclude the 9v regulator fix from the older version?
It has a completely new voltage reference for the DAC, should have more stable voltage outputs. The expanders all use the old 9v system.

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Tombola
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Post by Tombola » Sun Apr 10, 2016 6:40 am

ambrohski wrote:So, I understand locking to the left with the length selector 16 makes the loop length 32. Does it then mean the other length values on the selector will be doubled when locked to the left? :hmm:
Yes, so you can do 4, 6, 8, 10 etc

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Tombola
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Post by Tombola » Sun Apr 10, 2016 6:41 am

Bamboombaps wrote:
Tombola wrote:
Bamboombaps wrote:Awesome been looking out for this.. Mabye ill get this one to lock :hmm:
The little trimmer (behind the hole between write & scale) is designed to make that easier.
Brilliant stuff. Btw if I replaced a resistor with a trimmer in my original one could I trim the locking problem away? If so any idea which one? Or is it all different now?
You could try replacing R31 with a 1m trimmer

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sromanel
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Post by sromanel » Sun Apr 10, 2016 7:50 am

Little OT: I'm going to build a mk.I, what's this locking issue everyone's talking about here? :hmm:

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