EsotericLabs

cewl pawaga! you've got a USB extender cable in there (between the midio's)? and is that an ethernet cable connected to a d25 (right of the righthand midi)? and a custom 5v stabilizer i presume on the veroboard?

found some originals at conrad.nl. I got a good deal: two pieces for €41 including shipping. they give some kwantumkorting aka mengenrabatt aka volume discount for 2 pieces, at least on their .nl and .de https://www.conrad.nl/nl/stmicroelectronics-stm32f4discovery-developmentboard-443910.html Fair enough i think, farnell has €8 shipping below €50,-

Yes I think too, I wil check other suppliers for the old stm32f4. Keep you posted!

I found the STM32F411 at Mouser, but that one has a lower clock freq (100 instead of 168Mhz).

Thnx Zam!

I was ordering parts at Mouser, but they state the STM32F4 discovery board will be end of life soon.. Is this one compatible? nl.mouser.com/ProductDetail/STMicroelectronics/STM32F411E-DISCO/

Thank you!

Yes Mongrol go for it! I'm awaiting the same shipment from Smash TV and I'll most probably order all other parts from Mouser. There must be some acrylic case designs lying around somewhere in the forum.

Thank you so much TK! I hope to be testing soon - my second SEQ is in the making..

Yes, the chords with tensions should not be forced to scale, otherwise, there'll be no tensions anymore. But iirc this is switchable. Min7 corrected, thank you Norbim.

Here you go! static const seq_chord_entry_t seq_ELs_chord_table[] = { // 1 2 3 4 5 6 <----> (6 chars!) // power chords and double stops {{0, 7, -1, -1, -1,- 1}, “Pwr5 ”}, {{0, 7, 12, -1, -1,- 1}, “Pwr8 ”}, {{0, 4, -1, -1, -1, -1}, “R+mj3 ”}, {{0, 3, -1,- 1, -1, -1}, “R+min3”}, // major chords {{0, 4, 7, -1, -1, -1}, “Maj “}, {{0, 5, 7, -1, -1, -1}, “Sus4 ”}, {{0, 4, 8, -1, -1, -1}, “Maj+ ”}, {{0, 4, 7, 9, -1, -1}, “Maj6 ”}, {{0, 4, 7, 11, -1, -1}, “Maj7 ”}, {{0, 4, 7, 14, -1, -1}, “add9 ”}, {{0, 4, 7, 11, 14, -1}, “Maj9 ”}, {{0, 4, 7, 11, 14, 17}, “Maj11 ”}, {{0, 4, 7, 11, 14, 20}, “Maj13 ”}, // minor chords {{0, 3, 7, -1, -1, -1}, “Min ”}, {{0, 3, 7, 10, -1, -1}, “Min7 ”}, {{0, 3, 7, 14, -1, -1}, “Minad9”}, {{0, 3, 7, 10, 14, -1}, “Min9 ”}, {{0, 3, 7, 10, 14, 17}, “Min11 ”}, {{0, 3, 7, 10, 14, 20}, “Min13 ”}, // dominant chords {{0, 4, 7, 10, -1, -1}, “Dom7 ”}, {{0, 5, 7, 10, -1, -1}, “7Sus4 ”}, {{0, 4, 7, 10, 14, -1}, “Dom9 ”}, {{0, 4, 7, 10, 14, 17}, “Dom11 ”}, {{0, 4, 7, 10, 14, 20}, “Dom13 ”}, // dominant chords with tensions {{0, 4, 6, 10, -1, -1}, “7b5 ”}, {{0, 4, 8, 10, -1, -1}, “7#5 ”}, {{0, 4, 7, 10, 13, -1}, “7b9 ”}, {{0, 4, 7, 10, 15, -1}, “7#9 ”}, // diminished {{0, 3, 6, -1, -1, -1}, “DimTri”}, {{0, 3, 6, 9, -1, -1}, “Dim ”}, // half diminished aka m7b5 {{0, 3, 6, 10, -1, -1}, “m7b5 ”}, // stacked 4ths {{0, 4, 10, -1, -1, -1}, “poly4 ”} };

if the I2C is the Quad IIS midi out (and if its still there), i'll have it. does it come with programmed pics?

Yes I can imagine that there were good reasons for the current chord table and that changing is will cause issues I think i'd have six notes maximum per chord, my table would look something like this (B = H = 11; Bb=10).. power chords: 1) root fifth C G; 2) root fifth eight C G hi-C major chords 3) major triad (C E G), 4) major sus 4 C F G 5) major 6 (C E G A) ; 6) major 7 (C E G BH) 7) major 9 (C E G BH D) 8) major 11 (C E G BH D F) 9) major 13 ( C E G B D A) minor chords 10) minor triad (c eb g) 11) minor 6 (c eb g a) 12) minor 7 ( c eb g Bb) 13) minor 9 c eb g bb d 14) minor 11 c eb g bb d f 15) minor 13 c eb g bb d f 16) minor 13 c eb g bb d a dominants: 17) dom7 ( c e g bb) 18) dom7sus4 c f g bb 19) dom9 c e g bb d; 20) dom11 c e g bb d f; 21) dom13 c e g bb d a) tensions: 22: 7b5 c e gb bb; 23: 7#5 c e g# bb; 24: 7b9 c e g bb db; 25: 7#9 c e g bb d#; specials: 26: diminished triad c eb gb; 27: diminished c eb gb a; 28: half diminished aka m7b5 c eb gb bb; 29 polychord c f d; 30 major #5 triad c e g#; and to fill to 32 maybe two double stops 31: root major 3rd c e and 32: root minor 3rd: c eb real jazz cats might want additional double tensions like 7#5b9 and stuff that may be covered in another set. Some people might like chords with different bass notes like G/B lo-B G B D etc. I guess this covers a decent amount of terrain. please let me know if i can help fill chord templates for code. I've got some (guitar) chords books over here for inspiration. I don't know how piano players would fill them in, hope they tune in to this chord set thread.

Hi TK, good morning! I'd say: Major 8, Major, 10, Major 12, Minor 8, Minor 10, Minor 12. They are basic major and minor chords with some notes doubled in the higher octave. I can imagine that the arpeggiator function could do that transposition. Maybe the same goes for the basic inversions II and III in major and minor. Furthermore, there are some doubles in the existing table: the {{ 0, -1, -1, -1 }, "Root " }, {{ 7, -1, -1, -1 }, "5th " }, {{ 0, 7, -1, -1 }, "R.+5th" }, occur both in the major and the minor set. So that might free up nine places. You might also want to add {{0, 3, 6, -1}, "Dim3"} (diminished triad) and rename {{0,3,6,9}, " Co7"} to {{0,3,6,9}, "Dim "} (fully diminished, slightly different from half diminished {0,3,6,10}. Finally, I'm not sure whats the use of the Min+ (0,3,8,-1) chord in a musical context, but maybe somebody uses it. Hope you like 'em. If you want example progressions, I'll post some.

Hello dear midi boxers, May i suggest an extended chords table for the SEQ V4? This one add dominants (major with a lowered 7: C E G Bb and half diminished Cm7b5 C Eb Gb Bb) and tension chords, used for jazzy flavors, like 7b5; 7#5, 7b9 and 7#9 (Hendrix!). Normal dominants are common in rock and blues contexts; half dim is very beautiful in minor progressions. Tensions typically occur in jazz ii-V7-I progressions like Dm7 - G7b9- Cmaj7. The extended chords table is below, i think it still fits the lettering system A-Z; a-z. I hope TK adds them to the next firmware! /////////////////////////////////////////////////////////////////////////////// Local variables///////////////////////////////////////////////////////////////////////////// // note: chords are used together with the forced-to-scale feature in seq_scale.c // if no key should be played, add -1static const seq_chord_entry_t seq_chord_table[] = { // 1 2 3 4 <----> (6 chars!) // chords present in the current firmware {{ 0, 4, 7, -1 }, "Maj.I " }, {{ 4, 7, 12, -1 }, "Maj.II" }, {{ 7, 12, 16, -1 }, "MajIII" }, {{ 0, -1, -1, -1 }, "Root " }, {{ 4, -1, -1, -1 }, "3rd " }, {{ 7, -1, -1, -1 }, "5th " }, {{ 0, 4, -1, -1 }, "R.+3rd" }, {{ 0, 7, -1, -1 }, "R.+5th" }, {{ 0, 4, 7, 9 }, "Maj.6 " }, {{ 0, 4, 7, 11 }, "Maj.7 " }, {{ 0, 4, 7, 12 }, "Maj.8 " }, {{ 0, 4, 7, 14 }, "Maj.9 " }, {{ 0, 7, 12, 16 }, "Maj.10" }, {{ 0, 7, 12, 19 }, "Maj.12" }, {{ 0, 5, 7, -1 }, "Sus.4 " }, {{ 0, 4, 8, -1 }, "Maj.+ " }, {{ 0, 3, 7, -1 }, "Min.I " }, {{ 3, 7, 12, -1 }, "Min.II" }, {{ 7, 12, 15, -1 }, "MinIII" }, {{ 0, -1, -1, -1 }, "Root " }, {{ 3, -1, -1, -1 }, "3rdMin" }, {{ 7, -1, -1, -1 }, "5th " }, {{ 0, 3, -1, -1 }, "R.+3rd" }, {{ 0, 7, -1, -1 }, "R.+5th" }, {{ 0, 3, 7, 9 }, "Min.6 " }, {{ 0, 3, 7, 11 }, "Min.7 " }, {{ 0, 3, 7, 12 }, "Min.8 " }, {{ 0, 3, 7, 14 }, "Min.9 " }, {{ 0, 7, 12, 16 }, "Min.10" }, {{ 0, 7, 12, 18 }, "Min.12" }, {{ 0, 3, 6, 9 }, "Co7 " }, {{ 0, 3, 8, -1 }, "Min.+ " } // added dominant chords and tensions {{ 0, 4, 7, 10 }, "Dom7 " } {{ 0, 3, 6, 10 }, "Min7b5" } {{ 0, 4, 6, 10 }, "Dom7b5" } {{ 0, 4, 8, 10 }, "Dom7#5" } {{ 0, 4, 10, 13 }, "Dom7b9" } {{ 0, 4, 10, 15 }, "Dom7#9" } };

@Hawkeye this company offers alu profiles in nearly any color. Sizes are a bit different but they have something useful *black* for you. I see they also make custom sizes... If you'd need help with the language, let me know. http://www.aluminiumshop.nl/aluminium/gelakt-u-profiel-6060#.VpQhu6_tSrU

W.O.W. if I find black profiles I ll let you know!

I will certainly post pics of any build.. I also saw cool electric stands at http://www.zerack.com/fr/42-stand-2 The seq will work mainly with my 'Tribe Maybe i will incorporate some design ideas from there.

excellent! i like your intelligent economy form factor. Yes it might just be one of those front plates, great to see where they ended up. I ordered kits from Tim recently, i might just follow your example....

yes please Hawkeye, elaborate a bit on dimensions, your casing solution, what type of battery it is, and where you put the core.

Beautiful!! Cant wait to see more. I built a rack housed SEQ4 with an onboard soundcard once and now i'm looking to build another with an integrated cannibalised M Audio 25 keyboard.

it is a great slap-on for any midi box, especially the seq v4 of course. Serge s a great guy to work with!