gerald.wert

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About gerald.wert

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    MIDIbox Addict

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  • Gender Male
  • Location Pitttsboro NC USA
  1. Describe the MIDI Router of your dream?!

    A way to quickly and easily switch to a new route and then switch back. Use case in a live performance is to switch to a second drum machine for a small section say 4 beats for different sound for accent and then want to switch right back. Could be used for other parts as well. Say for a lead part, especially when making a program change on an instrument when the audio drops or something weird happens when you make a program change or you want to create sustain on a part  but want the pattern to come back in without cutting off the sustain. With a poly synth it is easy to set the same sound to come back in on a second poly within the synth. There are other ways to do this but a route changes vs channel change on the sequencer might be more fun and flexible in live settings.
  2. SSI 2144 filter for the MB Sid

    Started putting together the external filter for my sid. I am trying out the ssi2144. I have not seen anyone post about using one on here yet. I have the adapter boards for them. All I have to say is that is some super small soldering! I think I have them in good shape though! I reviewed the schematics and it looks like it should work ok. The ssi 2144 has slightly different recommended caps then the SSM2044. I ordered the recommended caps forom the data sheet for the ssm and the ssi I may test both to see if I hear a difference. Will likely go with the recommended caps from the data sheet. There are a few other minor resistance changes on the data sheets too but not sure if they are required I will have to see how it sounds. The adapter are from https://www.amsynthstore.co.uk/SSI2144_to_SSM2044_Adapter_PCB/p1461448_17854795.aspx modular addict sells them too but had been out of stock. https://syntherjack.net/ssi2144-to-ssm2044-vcf-converter/ also has published an file for them as well but I only needed a few of them... for 1.5 I picked up a few extra incase I broke them. If they all work may build another filter for something else. Did I mention that solder pitch is tiny!!! Here are the caps the ones on the left are for the ssm and the ones on the right are for the ssi.   C19-C24 10nF, 6.8NF for SSI2144   6 STYROFLEX 10N C25,C26 820pF, 560pF for SSI2144   2 STYROFLEX 820P  
  3. Defining microtonal/custom scales?

    You might be able to do it in NG where you do you sequencing in the sequencer then do a midi translation to the microtonal scales you want with pitch bends in NG. depending on how many octaves you are looking at you should have a good bit of room to play with in the existing structure. Maybe a bit clunky but should be functional.
  4. Sammich SID problem, please help!

    http://www.midibox.org/dokuwiki/lib/exe/fetch.php?media=projects:sammichSID_build_guide_v1_0.zip There is a good picture in the build guide of what voltages should be where.
  5. Sammich SID problem, please help!

    What are your voltages at the regulators and at the vcc on the pic and at the 8580? I would make sure you  have your voltages set properly. You can test with the sids out so you do not burn them. If the voltage is low you may have a short or have a bad solder or bad component somewhere to find. Maybe you are using the wrong power supply as well. That could be causing a lot of extra heat if the regulators have to dissipate a higher voltage as heat.
  6. GM5 driver not supported for STM32F4?

    Maybe it is related to the cable bring a USB A type cable and you need the B cable:   http://midibox.org/forums/topic/19105-stm32f4-communication-issues-with-mios-studio-no-usb-midi-available/#comment-166624
  7. GM5 driver not supported for STM32F4?

    Have you tried loading another app like NG? Since you are unable to access the core you will need to clear the stm and reload the bootloader http://ucapps.de/mbhp_core_stm32f4.html Use the ST link software to clear the STM and reload the bootloader. It may be a corrupt app file that was loaded or a failed transfer. It could be a hardware issue as well loading another app may tell you a lot. You may also want to try using another midi interface to talk to the core if you really feel it is a driver issue. You should also be able to talk to the bare core over usb with the power jumper connected and that should eliminate most of you hardware trouble shooting except the possibility of a bad core. It happens I have had a badly soldered core. Since you were able to connect to it with just the bootloader and it failed after loading the app. That tends to point to more of a failed software transfer or possibly a corrupt app file. Less of a driver issue though.
  8. GM5 driver not supported for STM32F4?

    Normally any time you restart the core or load a new application to it in windows you have to restart mios studio for it to be able to work properly. It has to do with the way windows assigns a name to the hardware.
  9. GM5 driver not supported for STM32F4?

    You have to restart mios studio when you restart it select seq4 as input and output and then restart mios studio again and it should be working in mios studio again. If you are not seeing seq4 as an option I would reflash the core with the bootloader and then get a fresh copy of the sequencer application and load that after you have reflashed the bootloader.
  10. Fatar TP/40L Midification

    if your sustain pedals are just on and off you just need a din. You can just build with 1 74hc165 and have 8 inputs. http://ucapps.de/mbhp/mbhp_dinx1.pdf  
  11. IIC will work you will just not have midi in unless you use midi on the usb interface. You can always use a midi routing program like midi ox on a pc to route to the midi in for now.
  12. Seq V4+ news?

    Yes Julian not Adrian.
  13. Seq V4+ news?

    +1 no drag soldering you will make a lot of bridges too. I read about drag soldering on the internet. It sounded promising. +1 solder bulb way better than braid with way less heating. Braid also tends to leave little wires that make the bridge worse. Sometimes the mask is super tight and you can not heat the pad but if you can it is way better. Especially with the thin solder, th esolder wicks and flows right in where you put it. +1 to way faster unless you have to trouble shoot...
  14. You have to set the hardware file up for the front panel you are using. Just use mios studio to edit the MBSEQ_HW.v4 file  it or load the one for wilbas front panel if that is what you built from the SVN on your sd card. There are a lot of options so it depends on what you have built but you need to setup what you have for it to work right.   http://svnmios.midibox.org/listing.php?repname=svn.mios32&path=%2Ftrunk%2Fapps%2Fsequencers%2Fmidibox_seq_v4%2Fhwcfg%2F
  15. Yes the lcd will work with nothing else attached. You should get text on boot. Check the contrast setting if it is up all the way on a regular LCD you will have black blocks and not be able to see the text. The cable that goes to the front panel should be 1 to 1. if you make the cable and align the connectors the exact same way on the ribbon cable it will work as long as the header was soldered on the board the right way.   Make sure you have the cable built right. there is a good picture of the dual cable here: http://midibox.org/forums/topic/18868-building-a-midibox-seq-v4-wilba-control-surface-photo-tutorial/ and here on the core page is a good picture of the single cable if you scroll to the lcd section at the bottom : http://ucapps.de/mbhp_core_stm32f4.html You may want to build a single cable and make sure both lcd are 100% I find it easier to work with less when trouble shooting then build up to work out the rest of the problem.   You do not mention what LCD you bought from mouser. They sell several. Maybe you have one that is not set up for parallel input? Often if you are getting black characters it is a cable issue though.   I would also check the 5v jumper J15 and the ganged resistors R33 on the core they are often a source of problems for people. Also check everything around IC2 and make sure the 595 is in the socket right.