UMR2 (Universal MIDI Retrofit) adds MIDI input/output functionality to non-velocity-sensitive keyboard synthesizers. Use your vintage keyboard as a sound module that responds to MIDI input or as a MIDI controller that generates MIDI output.
The UMR2 is 100% factory-assembled and supports a wide range of vintage keyboards. It supersedes previous HL MIDI retrofit products including the UMR, CS01-MIDI, VL-1-MIDI, and SKM kits. Installation information is being posted at the UMR2 forum by user request. Please join the forum to discuss the installation for your keyboard model.
Example installation guides:
The UMR2 is available for immediate worldwide shipment. For more information, please visit the
MIDISpeak, Gakken SX150, and circuit bent Yamaha RX-8 demo by Squelchbox:
MD24 MIDI-to-trigger box by Unatronics, creator of Beep-It. (See also: Mike Una’s MIDI CPU based patchable MIDI sequencer):
MD24 based MIDI-to-trigger box by Osica Bending:
MIDI CPU-based “ MIDI Podcaster” MIDI Controller by Spunky Toofers:
Circuit bent Roland TR-505 with MD24 + photorelay “AutoBender” by GumiElectronic:
Circuit bent Yamaha PSS-140 with UMR MIDI retrofit by Matt Kaip:
Yamaha CS01 with
CS01-MIDI retrofit, driven by Latronic Norton sequencer:
Bryan Benting‘s MSA-R based DIY relay modules and modular synth demo video:
Low-Gain Audio CS01-MIDI install:
MSA-T based studio recording light for use with Apple Logic 9:
Piano Monster, an MD-24 based “piano-tickling” robot by Ranjit Bhatnagar. More here:
Kaseo‘s MSA-R experiments include MIDI-controlled fluorescent lights, pencil sharpener, and turntable.
Kaseo’s custom MSA-R enclosure:
Daren Ager’s modular drum demo, using an MPA MIDI Decoder as an interface between a Machinedrum and modular gear:
UMR / Casio SK-1 installation how-to video (also see Nomeist’s UMR mini-review):
MIDI2600 / Synthcart / Atari 2600 demo video by The Longhorn Engineer (also see this MIDI2600-External enclosure discussion):
Spunkytoofer’s latest noise machine which includes an MSA-R for MIDI control (lots of other devices here):
Stylinghead’s photos of a clever
CS01-MIDI internal install by Billy Neenos:
A Boss DR-110 /
MD24 MIDI retrofit project from Darren at MakerSpace, Wellington, New Zealand:
Adam Inglis posted a detailed description of his creative CS01-MIDI installation & resonance mod. Included are several photos and a demo video.
For another example of a CS01-MIDI kit installed inside the Yamaha CS01, check out the
photos and advice from William Bottin at the forum.
Steve, a robot drummer based on the MSA-T MIDI decoder, built by Texas Central Positronics.
here, here, and here:
Komega‘s MD24-based Musifore MIDI visualizer:
MIDISpeak / Speak & Spell controlled by Ableton Live. Video here and here:
A Yamaha CS01 with an installed
CS01-MIDI kit, controlled by an x0xb0x:
suitcase SK-1 from The Umbrella Company, with installed UMR for MIDI control:
Posted in Animatronics, Casio SK, Circuit Bending, CS01-MIDI, Drum Machines, MD24, MIDISpeak, MSA, Robotics, UMR, User Projects
Add a MIDI input to your Yamaha CS01 with the new
CS01-MIDI kit. The kit triggers the entire 68-note range of the keyboard without user adjustment of the octave select switch.