illogik

hi, the blocks are ok, tell me more.. You have only the bootstrap loader in the pic, or also mios? i guess you know this already, but if only the bootstraploader is on, you have to upload mios wich (still?) has to be done within 1 or 2 seconds after you power on your midibox. not even mios at power up? (uploading mios will not change dev. ID so if you have the good ID...) yeah! try the center of the lcd, good visuals!! cheers, hope i helped you out a bit marcel

hi gb! everything fine; just finished the MBSeq; almost finished soldering MBCV for controlling analog gear, then i have to wait for my new etchant + boards to make the VCF pcb. When it's finished i'll let you in on the results!! good luck with your project! marcel

hey gb, can u use serge's sysexloader? if you bootstrap your pic youcan upoad mios, the application and change the application specific ID. If you need to change the MIOS device ID you can also use the change_ID program found in the MIOS download section cheers, marcel

and if you want you can still buy from voti; you can make the encoders non detented. I discribed how i did it here: http://www.midibox.org/cgi-bin/yabb/YaBB.cgi?board=parts_q;action=display;num=1092049636;start=3#3 cheers, marcel

yes! ; but why are you interested; whats the motiv? ask yourself; are you doing this only so your friends have nice machines to make (better) music (in my opinion ok, as long as you support/inform them), or so you can earn some money...? last words: why are there copyrights: so peoples ideas and creations can't be stolen that easily by other people for profit. But when you don't copyright a product it doesn't mean that you say it's ok for people to just copy and sell that product; your just saying that it is not illegal, and that people are free to learn from your work! marcel

download the datasheet from microchip, there are maximum voltages given i guess. cheers\

Hi, if you look on the core page of the website  there is a pdf with the core schematic you can find the pinout there on the pages of the modules, in the "soldering guide" there are sometimes voltages you can measure (on core page). It's always good to look at the schematic to check which ic-pins should get V+, ground(, V-) and measure if you get the right voltages on those pins. If you finished soldering the boards and you burnt the bootstrap loader with the programmer  ( JDM or the Brocolli18 ) you can upload mios and then the application with Serge's sysexbox (or MIDI-OX) cheers, marcel Â

Voti (www.voti.nl) now also supplies the microchip eeprom 24LC512 (EE-24LC512-DIP is the order code). With this one you can store your mbseq. patterns ands songs in the same bankstick. Price is € 4.50 cheers, marcel

hi, If you get this message when you should have mios 1.7 there is something wrong there, and since you made the mios1.7 hardware mods (wich include the bankstick port) your bankstick doesn't work. i suggest you download mios 1.7 again, and upload it in your sid, then the sid application and see if something is different. good luck, marcel

i always use aluminium, 2 or 3 mm thick. You can drill, cut etc. it better than steel. It doesnt rust (oxidate) so you can sand/polish it without having to put laquer on for protection. cheers

You seem to know some things about implementing voltage control in (analog) circuits, moebius? I want to do this to the pitch contol of an analog kick drum and some other analog designs, i was first thinking of using a led+LDR but your tip about using OTA's looks maybe more stable. Do you know which method is faster/more stable, and do you have more info/links/etc. on the OTA as CV-input? cheers, marcel

calibrate

so if your buidling a MB64E your using encoders(uses din), if you build a MB64 your using pots/knobs (uses ain) encoders are endless, so you cant read the values by looking at the knob, therefore you need lcd or ledrings. The pro is that when you assign encoders to another (midi)function it will automatically be in the right position. further if you build a mbsid you could make the LTC module on your MB64(E) to get a second midi out port; so you'll have one free midiout. cheers

would still be making money of the back of people who put a lot of work & effort in building/designing a system. Dunno if it is teknikaly "fine" but it is UN-ETHIKAL. Lazy people who want to make money easy should steal ideas from commercial companies or something, not of people who are so kind that they share their knowledge with the world peace, marcel

hey twin-x, you live in holland, right? I live in rotterdam and i've made a MB(single)SID with complete cs, if you live near rotterdam, maybe we can look at your midibox together. send me a pm or something and we'll see marcel

word!! ("cheers" or "hell yeah") thanks for keepin things real, smash + others lets all keep or eyes open + keep this DIY community alive!! cheers, marcel

just to be sure, you have checked your board/soldering? a lot of problems i encountered were "only" badly soldered contacts; just look with your multimeter for "open" contacts.

i think you have to start the program via a command shell, but i'm not sure; there is an installation "tutorial" on the jsynthlib website. if you follow that info, you should be able to figure it out. good luck, marcel

the "a" stands for anode wich is the "+"side of a led (your lcd backlight), "c" stands for cathode the "-" side of your led more info: http://www.kpsec.freeuk.com/components/led.htm good luck, marcel

i'm no pro so i'm not sure but i think the 220R resistors will do just fine; it's just to lower the output voltage of the shift registers so it wont kill your leds. you could compare the data (Vmax) to the Vmax of a "regular" led cheers marcel

sure that's whats the aout for; you just look for an cv output on the aout, wich you can hardwire (instead of making 2 patchholes) to one of the cv inputs on the vcf ( i think the points wich are connected to the 22k resistors allow for cv inputs with "offset"; you can "mix" the different cv levels with a pot, the 100k inputs are direct inputs>no cvmixing) You can now assign a rotary encoder to the right aout cv output, depends on the application your using how that is done i guess. cheers

if you remove the click like i described above, the only thing that happens is that you dont feel the detents anymore; the pin you bend is only there for the "feel" (detented); it has nothing to do with the actual "working parts" of the encoder.. i've undetented all my voti encoders for my sid CS, works fine for me good luck with building, cheers marcel

if you remove the click like i described above, the only thing that happens is that you dont feel the detents anymore; the pin you bend is only there for the "feel" (detented); it has nothing to do with the actual "working parts" of the encoder.. i've undetented all my voti encoders for my sid CS, works fine for me good luck with building, cheers marcel

Looking at the pcb, i think they are 2 CV inputs for the cutoff frequency (the cutoff pot is connected to the same point as the two cv inputs through resistors); so you can for instance connect an lfo and an envelope generator to control the cutoff cheers marcel

hello there, i've used Serge's Loader under WinXP with a SoundblasterLive 5.1 (+gravis midiadapter), to upload mios v1.7 and mbseq v2.1. Worked great, no problems at all. cheers, marcel