Sequential switch

JackOats
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Sequential switch

Post by JackOats » Tue Mar 31, 2020 10:52 pm

Hi All,

Is there a clever way to 'Daisychain' several of the Cherry Audio 1X8 Switches together, does anybody know please?

I really hope it's possible. :!:

Many thanks.


SwitchSequential.Screenshot 2020-03-31 at 23.41.35.PNG
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honki-bobo
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Re: Sequential switch

Post by honki-bobo » Fri Apr 03, 2020 7:59 pm

Hey JackOats,

you can "Daisychain" up to 8 1x8 switches using another 1x8 switch and a clock divider, given you trigger the steps through the step trigger input like so:
VM 1x8 switch daisychain.jpg
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JackOats
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Location: KENT, UK.

Re: Sequential switch

Post by JackOats » Sat Apr 04, 2020 10:38 am

Hi honki-bobo,

Thanks very much for the screenshot - very interesting. I'm having a little trouble identifying some of the cables though.

Would you mind resending the SS with the cables a bit more visible please.

That would be so helpful - thank you.
iMac 27/Catalina/3.5 GBh Intel Core i7/16 GB Ram/3 TB HD
The masculine includes the feminine (Guys)
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honki-bobo
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Re: Sequential switch

Post by honki-bobo » Sat Apr 04, 2020 1:51 pm

Hi JackOats,

I have un-cluttered the patch, colored the cables and added labels so it should be more visible now what is going on.
The basic idea is that you use a master 1x8 switch that distributes your signal to the slave switches A through D. The clock for the master must be divided by 8, so your signal (which is fed into the master's input) can be distributed to each slave switch in turn.
If you have any questions, please let me know.

Best regards,
Martin
VM 1x8 switch daisychain 2.jpg
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JackOats
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Re: Sequential switch

Post by JackOats » Sat Apr 04, 2020 9:55 pm

Ahh. Fantastic! Thank you very much. That's very clear & helps me understand what's going on.

I'll set it up tomorrow. Terrific - thank you for doing that. :D
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JackOats
Posts: 100
Joined: Sun May 12, 2019 4:09 pm
Location: KENT, UK.

Re: Sequential switch

Post by JackOats » Mon Apr 06, 2020 3:13 pm

Hi Martin,

Could I ask, please, when you say:
your signal (which is fed into the master's input)
which signal is that?

Sorry to be so dumb. :oops: :oops: :oops:
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honki-bobo
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Re: Sequential switch

Post by honki-bobo » Tue Apr 07, 2020 6:36 am

Hi JackOats,

by "your signal", I mean the signal you want to send to the outputs of the 1x8 switches, e.g. the signal you wanted to use the "daisychain" for in the first place.
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JackOats
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Re: Sequential switch

Post by JackOats » Tue Apr 07, 2020 1:09 pm

Hi Martin,
Well, this is where I am, so far.
It's a shortened version of your setup, with 2 Sequencers.
I expected the 1st 4 beat phrase to play twice, followed by 2 silent 'phrases', then a switch over to the 2nd Sequencer & ditto.
But both phrases are repeatedly playing at the same time.
I've tried lots of different wiring combinations but can't figure out where I'm going wrong. :? :( :oops:

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honki-bobo
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Re: Sequential switch

Post by honki-bobo » Tue Apr 07, 2020 2:22 pm

JackOats wrote:
Tue Apr 07, 2020 1:09 pm
I expected the 1st 4 beat phrase to play twice, followed by 2 silent 'phrases', then a switch over to the 2nd Sequencer & ditto.
Ok, I've tried to replicate what I think you are trying to accomplish. Here's what I came up with:
2x4 beats phrase then 2x4 beats silence.jpg
2x4 beats phrase then 2x4 beats silence.jpg (536.15 KiB) Viewed 576 times
What I have basically done is I've routed the Start signal from TempoClock to the start and stop inputs of the sequencers like so:

TempoClock.START -> 1x8Switch.IN + 1x8Switch.RESET + ClockDivider.RESET1
1x8Switch.1 -> Seq1.START + Seq2.STOP
1x8Switch.2 -> Seq1.STOP + Seq2.STOP
1x8Switch.3 -> Seq1.STOP + Seq2.START
1x8Switch.4 -> Seq1.STOP + Seq2.STOP

Also:
TempoClock.STOP -> Seq1.STOP + Seq2.STOP
TempoClock.CLK -> ClockDivider.IN1
ClockDivider.OUT1 -> 1x8Switch.STEPTRIGGER

On my first attempt I also had TempoClock.CLK connected to the external clock inputs of the sequencers, which seemed like a logical thing to do. But then I could alwas hear the first note of each sequencer at the end of the 2x4-beat-cycle, which was anoying :evil:
I found that the cause of this was a 1 sample delay caused by the 1x8Switch (which every module in a signal chain introduces). That is why I've inserted a Gain Module and connected ClockDivider.OUT2 to Gain.INPUT and Gain.OUTPUT to Seq1.EXTCLK and Seq2.EXTCLK and voila, everything worked out fine. For all this to work you will have to set ClockDivider.DIVIDEBY1 to 8, ClockDivider.DIVIDEBY2 to 1 and enable ClockDivider.INPUTLINK.
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JackOats
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Re: Sequential switch

Post by JackOats » Tue Apr 07, 2020 9:35 pm

Hi Martin - Wow! Thanks very much for working on that. Very good of you.

I'll need to spend some quiet time tomorrow to see if I can follow what you have done. :shock: :)
iMac 27/Catalina/3.5 GBh Intel Core i7/16 GB Ram/3 TB HD
The masculine includes the feminine (Guys)
Google: 'JackOats' to see my Soundcloud page, 'Brian Watterson - Vimeo' for my Videos.

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