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@Antichambre Ha ha :) No I will reserve the last space. Don't worry, no hurry.

I wouldn't describe your live jams as limited either @Hawkeye Your "cockpit "and your music is always inspiring Cheers, Hal

Thanks guys for sharing your techniques. I guess there is many ways to play the MB SEQ :) I wasn't aware or the Pattern Remix Feature, and after a quick glance, it looks like something that could work for me. Using Phrase mode the way you suggest also looks like it could work. I guess I just need to try it out and work out a way. @u-link I am just cooking some straight 4TTF Techno-ish stuff, nothing fancy ;) The Tsunami sounds great. I have made a sample player module with his former WAV Trigger. It only has a stereo channel, but I pan the samples and use it as a 2x mono sample player. Looks like this: I've reused the keypad and display from an old calculator (like the one to the right), added a micro-controller and a MIDI circuit and the WAV trigger. But back to the topic, others on the forum please share your techniques as well

Hi, Could you please share how You use your MB SEQ to play your "songs" I have had my sequencer for a little while, but I have only used it one way that seemed easy and intuitive at the time I started using it. I treat each Session as a "song" and have each Track mapped the same way in all Sessions. Each Track is dedicated to a specific synth-, drum- or sound module. This setup works great for playing one "song" at a time, and for creating and recording one "song", but I suspect it's not the best way to play a live set. I have tried to understand how Patterns, Songs and Phrase works, but I don't think I get it totally, or how I would use it. I guess what I was hoping for was something like a Scene in Ableton Live Clip View, where you can jump to the next line/scene of MIDI sequences with the push of a button, and it is synced. Is it possible to treat a Session like a scene, and jump to a new Session synced to the beat and measure? How do you guys play a live set with several "songs" ? Cheers Hal

Hi, Since I joined this community in 2010 I have built and still use: MB SID V2 Stereo (x3) MB NG MB 64 MB CV V2 MB FM MB GM5 (x3) MB TIA MB sammichSID (x2) MB sammichFM MB SEQ V4 I have never written, nor can I write, a line in Assembly or C I have only edited files in a text editor, compiled and uploaded. Knowing how to code would probably give me more options, but is definitely not necessary to build and enjoy these devices. Yes there is a lot of information, but it's all there, and a big group of friendly and helpful people on the forum directs, encourages and debugs with you. Start with something easy / manageable and go from there. Cheers, Hal

Actually, I can't get it to work, or maybe I don't understand how it works. I want to record different MIDI CC values to 8 different layers in a CC track. When I initialize the track, all the steps are set to value 0. I use the Jam Live Mode, and when I run the sequencer, all the steps go "----" I twist the knob and send CC values from my controller, and the values are forwarded to the synth, but they are over written with "----" Pressing clear, clears the whole track. Also I can't work out the All Button. From what I understand it is 3 functions, All values, Relative values and Value ramp. It is not clear to how they work, because pressing and holding and just pressing does different things at different times. Cheers, Hal

STM32F4 / V094 I am having problems with the ALL button, it's not selecting Also Initializing takes more like 10 seconds than 2 ( This happened in V092 as well) Same as Rio, mute LED stays on

OK, thanks. Works for me :)

Eurorack panels are 128,5 and depending on the type of rails the recommended PCB height is about 107mm. I don't think the 124mm PCBs will fit between the rails. If you mean 19" 3U rack panels, they are 132,5mm and it will fit, like the Wilba SEQ V4 CS PCB does today.

I still have a problem with this. TK, have you ran into this? Cheers, Hal

I have a BLM 16x4 connected to my SEQ V4. Would it be possible that on Drum tracks each drum instrument had its own track showing and that it was possible to jump to the next 4+4+4 instruments with the up&down buttons for example. I think this would be great for editing the drums. If I understand it correctly, this is possible with the BLM 16x16+X ? Cheers, Hal

I have some 74HC164 Shift Registers soldered in a circuit that had a short circuit and some parts blew up. I suspect that the SR's are broken. Is there a way I can test them in circuit? Cheers, Hal

It's only about 0,7 Ohm, I have taken it apart an checked the socket and cable etc, can't find anything. Then I thought it could be a ground loop through the USB socket since it touches the alu panel, but after clearing them by adding a spacer, no difference. I have tested with different types of cables, directly to the Disco board, and there is a difference, so it could have something to do with the quality/length of the cable. Anyway, I have given up and made a "Data-only-USB-cable" so I can power it with my trusty 5V PSU, and connect it to my computer with that. That way I can keep my "USB Host Mode" wiring :) Thanks for the troubleshooting support guys

Resistance between 5V and G is 938 Ohm, and between 3V and G it's 1,9 K I am using the Micro-USB I think it's down to bad cables, because when I connect my 1,5A phone charger with Micro-USB directly to the Discovery board, it lights up fine. I have an ebay panel mount female USB A socket connected to a Micro-USB cable where I have soldered a cable to Pin 4 so I can pull it to G for USB Host mode. I think this together with a cheap USB 2.0 A to A cable is the problem.

I have now tried with my SONY phone charger that provides 1,5 A, and still no change. The sequencer is running fine, and all the LEDs are bright, it's only the LCDs I wonder if is has to do with the way I power them. I have modified the Core like you Altitude. I use the Kyocera LCDs http://www2.mouser.com/ProductDetail/Kyocera/C-51850NFQJ-LG-ACN/?qs=%2fha2pyFaduhGbSh%252bwVDlK1E2ZcFu72dnn3hn%252bA%2fMvs7T%2fLTT5lZVMw%3d%3d I can't see how it would be different. It's the same 5V on the same rail.??? I have read about a Data only USB cable, some people use for their audio interfaces. I might try it. I would like to avoid having a switch on J17 that I could forget to turn off, and fry my computer.

I have now tried with a Y cable straight to the computer, but it didn't help. Also tried with a new USB 3.0 Hub, which in theory should provide 900mA per port, and with a new USB 3.0 cable and the USB 3.0 Y cable from 2 ports which then should provide 1,8A, but still not lighting up properly :( I guess I need to power it with my 5V PSU, and connect a switch to J17. Or maybe a USB cable without the power wires? Don't know if that exists or will work even ??????

Cool Bruno, I like it :)

That is an excellent idea! Thanks man :)

Hi, Normally I power my SEQ with a 5V, 2,5A power supply connected to J2. I also have J17 closed to provide power to USB gear connected to the USB socket in host mode. I would like to use it with my computer, and power it over USB, of course without the PSU connected to J2. I have a STM32F4 core with 2 x MIDI I/O, 2 x IICx4, BLM 16x4, TPD and AOUT_NG. I have not measured how much current this all draws. When I connect it to my computer with a Belkin USB 2.0 Hub with external PSU, the SEQ starts up, and runs but the LCD's are very dim, I can only see very little text, and only in the dark. I assume that the USB Hub does not provide enough current, and that the LCD's are suffering from that. I can't find any specific info about current per port for this Belkin Hub, but I assume it has some sort of limiter set to the 500mA standard. It has 7 ports, and a 2,5A PSU. Can anybody suggest a solution for this? Do you know of a specific USB Hub with external PSU and ports without current limiting? Cheers, Hal

Nope :( I have had the same type of outrage here on this forum re-using old Sinclair computer cases. arti492 wrote : You destroyed the ZX Spectrum, you should burn in hell

they have the bare PCB as well http://shop.musicfromouterspace.com/cart/Power%20Supplies/MFOS%20Wall%20Wart%20Bipolar%20Power%20Supply%20Bare%20PCB Aciiiiid post

I got this kit http://shop.musicfromouterspace.com/cart/wall-wart-bipolar-supply It's the one from MFOS you linked to. I only use it to power the AOUT_NG, so to reduce the height I only use one pair of caps laying down I used the caps that came with the kit, they are 4700uF

SEQ V4 (STM32F4) 092 I have an AOUT_NG connected to my sequencer that I use to modulate some filters. On one track I have a 128 step CC event with 8 CC layers, one for each CV out. If I understand it correctly, the LFO effect can only work on one CC layer/number, so I have to have CC values for each step in each CC layer to modulate all 8 CV out at the same time. In JAM mode I can record CC in as long as the layers are "free", but when I clear a track to record it again, all the CC values resets to nothing, in stead of 0, and I can't record again. To reset it I have to go to event, change to another, initialize, then change back and initialize. Is it a better way to do this? Is it possible to only clear/reset a layer, not the whole track? Is it possible to "protect" a layer when you record on the other layers? Or if anyone have another/better way to achieve the same :) Cheers, Hal

Nice build guide :)