Here are the building blocks for all kinds of MIDI musical instrument. You can combine them to match your requirements like number of keys, knobs etc., and let it grow in the future by later adding new scanners. Typical set of blocks consists of one CONTROLLER and a few additional SCANNERS.

MASTER CONTROLLER is the only board in the set with MIDI output. It's also the only one that needs power supply. It may have several inputs for scanner boards

CONVERTER is a device to convert incoming MIDI information into more down-to-earth physical values like voltage, logic levels, etc.

SCANNER is a board without MIDI output, it can work only as additional scanner in MIDI system with MASTER CONTROLLER when you need more keyboards or potentiometers. It only needs 4-wire connection to master board (cable is always included with the order)

MASTER CONTROLLERS
BOARD	DESCRIPTION	TYPICAL USE
MRG3	4 scanner inputs fully user programmable onboard MIDI socket 40EUR	large organ consoles, up to 512 inputs Hammond and pipe organ emulators, NI B4, Hauptwerk, MidiTzer, MyOrgan etc.
MRG2	5 scanner inputs MIDI merge input fully user programmable onboard MIDI sockets (IN + OUT) 55EUR	largest organ consoles, up to 640 inputs Hammond and pipe organ emulators, NI B4, Hauptwerk, MidiTzer, MyOrgan etc.
MRG1	4 scanner inputs 8 analog inputs fully user programmable 50EUR	large organ consoles up to 496 inputs Hammond and pipe organ, emulators, NI B4, Hauptwerk, MidiTzer, MyOrgan etc.
MIDI128	128 keys in 2 keyboards 8x8 diode matrix each 2 scanner inputs 8 analog inputs transposition, channel, and Program Change 50EUR	medium size organ consoles with 2-keyboards, pedals and stops
PEDSCAN	32 onboard keys in 8x4 matrix 1 analog input fully user programmable 40EUR	standalone organ MIDI pedals miniature keyboards
BBS64	64 onboard keys 1 wire per key 1 scanner input only channel and transposition programmable 60EUR	accordions limited space MIDIfication
BBS32	32 onboard keys 1 wire per key 1 scanner input only channel and transposition programmable 50EUR	standalone organ pedals limited space MIDIfication
MIDI6	165 keys in 3 keyboards 4x16 diode matrix each 3 analog inputs 100EUR	typical small organ consoles (2K + 1P)
POT32	32 analog inputs 1 scanner input fully user programmable onboard MIDI socket 50EUR	fader boxes VST knob controllers, Reason, Ableton, etc.
MIDI CONVERTERS
BOARD	DESCRIPTION	TYPICAL USE
MIDIMPLANT	dual channel MIDI-to-CV MIDI-learn function user defined V/oct ratio, no trimpots Out of stock till June/July 55EUR	MIDI input in analog synths
SCANNERS FOR CONTACTS
BOARD	DESCRIPTION	TYPICAL USE
PEDSCAN-X	32 keys in 4x8 matrix analog input for volume/swell pedal 25EUR	pedals in organ consoles
BBS-1K	64 keys, 1 wire per key daisy-chain input 45EUR	large organ consoles keyboards and stops scanner
BBS32X	32 keys, 1 wire per key 30EUR	organ pedals
BBS64X	64 keys, 1 wire per key 45EUR	organ consoles
DMS-2K	NEW! 128 keys in 2 keyboards 8x8 matrix 35EUR	low cost 2-keyboard expansion
SCANNERS FOR POTENTIOMETERS
BOARD	DESCRIPTION	TYPICAL USE
POT3	3 analog inputs 7EUR	organ consoles MIDI volume pedals
POT12	12 analog inputs daisy-chain input 18EUR	drawbars organ consoles MIDI volume pedals
POT32X	32 analog inputs daisy-chain input 35EUR	large knob-boxes, drawbars for Hammond, MIDI mixers, VST control surfaces
OTHER SCANNERS
BOARD	DESCRIPTION	TYPICAL USE
LITSW	24 inputs for buttons 24 outputs for LEDs 30EUR	stops/pistons control for organ consoles "bank + program" selectors
KEYPAD	12 numbered keys connects into scanner input 10EUR	edit parameters of master controller

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	© 2009 Roman Sowa Last revised June 13, 2009