MRG3
		price: 40EUR

This little board is taking care of multiple keyboards, or sets of potentiometers. It has no keyboard scanning ability on board, instead it works with up to 4 scanners of any kind. So depending on chosen scanner boards it can create up to 512 keys in 8 keyboards plus 64 potentiometers. Typical application is MIDI controller for VTPO (Virtual Pipe Organ) like Hauptwerk, MidiTzer and others, where multiple keyboards, stops, pistons and other controls are much appreciated

Features:

• 4 scanner inputs for connecting keyboards or potentiometers scanner
• user defined split point independent for each keyboard
• user defined channel and key range independent for each split
• user defined independent MIDI channel for each keyboard/split and pot
• user defined independent MIDI event type for each keyboard/split and pot
• user defined independent transposition for each keyboard/split
• Program Change via numeric keypad
• all settings stored in nonvolatile memory
• onboard MIDI DIN socket
• requires 6-12V DC power supply, about 2-10mA current consumption depending on number of keys covered
• dimensions: 36x36mm (1.4''sq)
• more marketing talk

The board shown above has 4 connectors for scanners, one MIDI socket, and the smallest one is for power supply. There are also 2 header pins for connecting the "EDIT" button, the one that alows to change every setting of the board.
With additional scanners the system can be freely upgraded to a larger one. No modification is needed to run this board as just 16 keys controller or full blown system with over 500 keys and 64 potentiometers. It's only a matter of plugging another type of scanner. There can be 4 keyboard scanners, and 1 chain of potentiometer scanners (up to 64 pot inputs total).

download user manual for standard version

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