Multiple Stages Easter Egg

I have 2 mutable Stages. How can I wire it with switches so it can be switched between harmonic oscillator mode ( self patched on one module ) to chaining two modules for a 12 segment stages? I am seeing a 2hp panel with switches next to the pair of Stages.

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You can’t because the module only detects how it is linked to neighbors when it is powered on.

Forgive me, but still a noob here - so if I place a switch on each of the connections, would that not boot into the modes as the module is powered on, depending on the switches being on or off?

Yes, if you don’t want to switch while your system is powered on, this would work.

Ok, cool. So the next question would be how to wire a another 3 switches with a second stages so that when switched to on ( and the other 3, the harmonic oscillator,are off ), and the modules are powered on to become a 12 segment stages. So its either that one stages is harmonic and the other is classic, or both are classic with 12 segments. Hopefully this makes sense.

Note that the GND pins of module 1 and 2 can be connected together by a F-F jumper cable, but you can even ignore this cable (the return currents will flow through the bus board, contributing some small amount of digital noise, this might not be an issue at all).

You’ll need a DPDT switch.

Also, I think I’ve seen on muffwiggler a hacked firmware version where the easter egg can be toggled on/off with a button press. Not sure how it behaves in a chain, though!

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This is it - that’s what I meant. Thank you. Can I repost the picture on muffs?

Sure!

Another question:
Stages manual mentions a ““dummy” patch cable ( or just a jack with no cable attached to it)”.
What does it mean - can I use a “virgin” 3.5mm plug with no wiring?

Just a patch cable with nothing attached on the other end.

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You say a DPDT switch. Also for a single Stages Easter Egg mode? So a single switch switching red OR yellow open/close and have yellow OR red connected/looped (besides black) does not work(?).

Is it enough to place the switch only on one of the three wires? ( I have only a one circuit switch at home) if yes, which one? thanks

Is your question about a single module or a chain?

Single modul only

Actually, I am not sure. I don’t think it would work. Why don’t you try it? It doesn’t matter if you’re putting the switch on the RX to TX or TX to RX line. You won’t break anything, at worst, the module will be in a weird state where it thinks it has a left or right neighbor while it doesn’t, but it won’t destroy anything and it’ll get back to normal once you reboot it!

Okay, I will see, maybe I will try it thanks!

A year on, I finally did the switch mod. Is it correct that only the first module switches to the Harmonic Oscillator mode ?

Yes. A module switches to the harmonic oscillator mode when its is chained to itself.

As you can see on the drawing, the no position of the switch allows the second module to be chained to itself.

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Thanks - Just wanted to make sure I got things wired correctly; Is there info/manual for the Harmonic Oscillator mode?

It works!