This is a demo of a MIDIbox based DIY project that emulates both PROG- and PCM-cards for the Korg Wavestation line of synthesizers. These units were produced in the early 90s. While they are not exactly collector’s items, the RAM-, ROM-, and PCM-cards for these are very sought after today. The DIY project demoed here aims at replacing a RAM/ROM (PROG) and a PCM (waveform) card with a little MIDIbox-based circuitry and software that allows to load the corresponding data from SD card. Of course, sound- and waveform-data can also be read from card(s) and saved onto the SD card…
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A quick demo of a keytar I built out of a Commodore 64. It uses two SID 6581 chips and was made using the Midibox Sid platform from www.ucapps.de. Better video to follow later.
Chaos Matrix is a custom built programmer for a Oberheim Matrix 1000 analog synthesizer. It’s capable of manipulating all 126 voice parameters including 10 programmable matrix modulations buses, ramp generators, 5 point tracking generator, 3 five stage envelopes, 2 oscillators, 2 LFOs, and much more.
It features edit buffer synchronization for visual feedback and inspection of all Matrix 1000 voices parameters, patch compare, patch init, advanced performance options for some parameters as well as containing all 1000 original patch names. Seeing a name make it a lot easier remembering favorite patches instead of numbers alone.
Chaos Matrix is currently a work in progress and is nearly complete. It was built with help from the MBHP (MidiBox Hardware Project) using the MIOS operating system. It uses 1 DIN module, 1 AIN module, 1 DOUT module and 1 core with a PIC18F4620 microprocessor.
I’ve been working on a MIOS-powered project for a few years now and am finally ready to share the results. It’s still very beta, but I thought others might enjoy seeing the project regardless.
Basically, the idea is to provide a kind of “active tablature” right on the fretboard of a bass guitar. MIOS runs an onboard sequencer module which controls a bunch of LEDs embedded in the fretboard (125 of them!).
Currently, I have some (PC) software for converting MIDI files to fingering patterns. This data is then sent via MIDI to MIOS which controls the storage, loading, and playback on the LEDs. There is basic support for features like pause/playback, tempo, track scrubbing, and the ability to set A-B points. I’m still working to fix some bugs in the time stamping code, but thought the community might be interested anyway.
Ca. one year after Wilba introduced his famous MB-6582 to the world, which became one of the most popular MBSID designs with dozen of PCB/kits orders, he created a new version with a lot of improvements: the MB-6582 MkII
The trigger pulse outs of the SEQ are hardwired to all the trigger inputs of my modules (drum modules and envelopes) from behind the panels — this way I don’t have to patch them. (The 6 modules on the left side are cloned 808 voices and other drum circuits.) You can see there is an “AOUT” module with the 16 jacks for CV/Gate outs. The back of the synth has an auxillary panel with the 2 MIDI ins and 4 MIDI outs from the SEQ. There are also two Footswitch inputs, for seq start/stop. I use it mainly to sequence analogue gear, the MIDI data is sent to sync our video projection software, etc. The Midibox SEQ is the core part of my rig and I’m in love with it. I want to build a new panel soon, with the 64 LEDs, and maybe a second MB808 seq too. I also am going to make a dedicated tempo display/BPM encoder.
well this is my first post on the forum, i’ve been lurking around for quite some time while i got my sid built.
Well i finished it about a month and a half ago so here goes with some pics, currently its a single 8582 with 2×40 screen and case made of lego.
I give you the LegoBox:SID, hope you guys like it
I want to build a new panel soon, with the 64 LEDs, and maybe a second MB808 seq too. I also am going to make a dedicated tempo display/BPM encoder.
