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+---- Thread: 16n → NS 1-16 with 8 more inputs?? (/showthread.php?tid=2088)
16n → NS 1-16 with 8 more inputs?? - Simontl - 04-14-2026
Dear Thomas
I have a heavy I2C / Midi driven setup with Sweet Sixteen (16n eurorack) + Gess expander (providing manual buttons - www.tesseractmodular.com/eurorack-modules/gess).
What I'm looking for is a way for Gess to be able to send SC.TR commands to ER-301, through the Nerdseq.
The traffic on my MIDI channels is often too heavy (as I have to convert a lot of I2C to midi), which causes dropouts.
My current workaround is to run a midi cable from Sweet Sixteen to Multi-IO TRS-A and 16x of these mappings:
10 MIDI TC 1 GATE > ---- ---- ---- ----
11 CALC PASS 10TH > I2C B TR # 17 (ER-301 is triggering SC.TR on port 17)
12 CALC PASS 10TH > I2C BCVS # 17 (Disting NT is receiving ON: 0x11 0x10 0x08 0x00 / OFF: 0x11 0x10 0x08 0x00)
(with a default threshold of 512/200)
I would love to have an I2C setting mode which included Gess, or at least 24 input ports on the same address so I could mod the firmware of Sweet Sixteen myself, as it is open source.
As far as I understand the manual, the only way to have more channels being received by the Nerdseq on I2C A, is to have more physical 16n's or use I2C B, which I'm using for I2C output
Let me know if I'm clear or if there is anything I can do to help.
Best,
Simon
RE: 16n → NS 1-16 with 8 more inputs?? - XORadmin - 04-16-2026
(04-14-2026, 07:39 PM)Simontl Wrote: Dear Thomas
I have a heavy I2C / Midi driven setup with Sweet Sixteen (16n eurorack) + Gess expander (providing manual buttons - www.tesseractmodular.com/eurorack-modules/gess).
What I'm looking for is a way for Gess to be able to send SC.TR commands to ER-301, through the Nerdseq.
The traffic on my MIDI channels is often too heavy (as I have to convert a lot of I2C to midi), which causes dropouts.
My current workaround is to run a midi cable from Sweet Sixteen to Multi-IO TRS-A and 16x of these mappings:
10 MIDI TC 1 GATE > ---- ---- ---- ----
11 CALC PASS 10TH > I2C B TR # 17 (ER-301 is triggering SC.TR on port 17)
12 CALC PASS 10TH > I2C BCVS # 17 (Disting NT is receiving ON: 0x11 0x10 0x08 0x00 / OFF: 0x11 0x10 0x08 0x00)
(with a default threshold of 512/200)
I would love to have an I2C setting mode which included Gess, or at least 24 input ports on the same address so I could mod the firmware of Sweet Sixteen myself, as it is open source.
As far as I understand the manual, the only way to have more channels being received by the Nerdseq on I2C A, is to have more physical 16n's or use I2C B, which I'm using for I2C output
Let me know if I'm clear or if there is anything I can do to help.
Best,
Simon
You can actually send up to 128 ports into the I2C ‘input’ and so it only depends on your S16 firmware to send the gess data on the 16+ ports. NerdSEQ can process the additional ones. Be sure you make the
SC.CV.
RE: 16n → NS 1-16 with 8 more inputs?? - Simontl - 04-17-2026
Oh, thats interesting. Thanks for letting me know. I'll experiment with this.
RE: 16n → NS 1-16 with 8 more inputs?? - XORadmin - 04-17-2026
(04-17-2026, 09:59 AM)Simontl Wrote: Oh, thats interesting. Thanks for letting me know. I'll experiment with this.
Yes in the end it’ll be more a feature request to yourself I guess :-)
If it doesn’t work then let me know of course.