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midiphy SEQ v4+

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Great! :) Congratulations for number #30!
Best regards
Bruno

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@modus0perandi has completed a new SEQ v4+ - Congratulations! :)

Here is his post, copied over from the official V4 development thread:

Quote

Here is another Midibox in the wild. Lacking both time and skills to really build one myself, i had one of the trusted builder to handle that part for me.

This one was built by @Menzman (Michael Menze) here on the forum. Very nice chap and highly recommended if anyone else wanna take this route to get your hands on this wonderful piece of hardware. You can find him via the trusted builders list @ midiphy)

 

midibox.jpg

Looking very good! Cheers to SEQ v4+ number #31! :cheers:

Best regards and enjoy!
Peter

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Hi! I hope this is the right place to ask a question: How are the two button rows used, and how does it compare to the original Wilba SEQv4 panel?

For example, whats the process for switching between different layers (I think that's the correct term? notes/velocity/length/etc)?

I'm curious about the workflow differences between the Wilba panel and the new one, which by the way looks so amazing!

 

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Hi, sure is!

Top row is equivalent to Wilba GP buttons. They action items on the OLEDs or e.g. in track mode toggle gates/triggers on and off.

Bottom selection row changes function depending on the selection LEDs (around the datawheel/dial). So instead of Wilba's 4x track groups and 4x tracks, you have all 16 tracks available on individual buttons, (up to) 16 step views or whatever the track supports. Likewise you have up to 16 layers available, whereas you only had layer A/B/(C: multipurpose) on Wilba's. Layers are either parameters or triggers, check the amazing user guide here.

Other than that it's quite similar, so most of the smaller dedicated buttons will be the same. Shift = Select!

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Is there a shortcut for quickly saving a session? On Wilba's panel I mapped F4 (I think) but it is unclear to me what a good solution is with the new layout. Something with Shift perhaps?

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Right, there are no F buttons on the midiphy SEQ v4+. Here are a couple of approaches:

  1. Press 'Exit' until you reach the menu then the 10th button
  2. Assign a bookmark to the page; see seq_ui_pages.h for a list of pages to jump to
  3. Freely assign any other button that you don't use (e.g. metronome) in the hardware configuration
  4. Hack the firmware/code yourself
  5. Request such a feature 

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Sweet, thanks! I find that quick saving is important for my workflow.

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Hi all,

I just joined to post the pic of my finished unit.

 

Some comments from my side if someone starts building one and reads this before ;)

- Pay good attention to the video instructions about the parts and part numbers. Always double-check the right manufacturer part number in the BOM, as some are very similar, but have totally different functionality.

- If you accidently mix up the resistor network ICs and realise it too late, you can also use a chep "non-industrial" heat-gun to unsolder them, one which is not for soldering only, but e.g. for heating up and forming plastic stuff. (i use mine mainly to  ignite my charcoal for BBQ ;). I checked my user manual to see what temperature setting on the heatgun (1-9 or something) is approximately which temperature, i set it to about 320-350°C. Worked fine for me, jus make sure not to force the IC off to early, wait until the solder is liquid again. The resistor network itself is not very head sensitive, be sure to disassemble or cover everything else around it that might get damaged (i removed the pushbotton caps again).

- Do not forget to set the 3V jumper for the OLEDs in the beginning, you have to disassemble a lot if you are almost finished ;) Test your OLEDs as early as possible.

- I mixed up some of the different pinheaders of the mouser BOM, ended up having not the long ones left to connect the two PCBs. Then i used some different ones i had left (i think from Reichelt) and they worked even better as i did not have to push them down again as Peter did in his video.

- A little bit longer cable from the JA board (on the left-hand version only?) to the next board would have been helpful, the fitting and assembly was very tight, several times the connector went out of the socket.

 

Ok, now i have to connect all my stuff to get going again.

This was a lot of fun, and regarding the complexity of the project the drawbacks were minimal and easy to fix.

Thank you all for this awesome work!

 

Have a good time,

Enginerd

P1280217.JPG

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@Enginerd_0x12F looks great - well done! Congratulations to #32 or #0x20 if you prefer hex :) :cheers:

Also thanks for the great feedback, this surely is helpful for future builders!

Best regards,
Peter

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