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Key2Midi 64 - Orgautomatech

Key2Midi 64


64-input Midi encoder board, allowing simple electrical input states to be converted in real time to MIDI standard note messages.

Useful for:

  • Playing midi sound module with old organ or harmonium  keyboard
  • Playing midi sound/arranger with accordion
  • Scanning music cardboard or paper roll and producing midi file.
  • Real-time control of MIDI devices with button or contact of your choice
  • and much more…

In stock


  • Single board, measuring 170 * 40 mm
  • 64 logic-level inputs to choose among 128. No need to “matrix” the keyboard with diodes, the multiplexing is done internally by the board . Only 4×16 wire ribbons needed.
  • Analogic input to send expression Midi messages from pedal or potentiometer.
  • You can choose between logic input at +5 or 0 volt to send a midi note On. Useful if you want to use Hall effect sensor input.
  • Easy note mapping with PARAMETOR free software
  • Boards can be chained to give more notes.
  • MIDI output channel can be selected by on-board buttons and leds, or by Midi
  • Standard 16-way IDC input connectors for use with ribbon cables
  • provided with 2 x cable and Midi socket to plug to the board and externalize the Midi IN and OUT
  • Board function monitoring by leds
  • Integrated ‘de-bounce’ latency fully configurable from 0 to 127 milliseconds. Useful, when scanning music cardboard or paper roll,  to avoid small bridges.
  • Powered by any DC supply from 7 to 24 volts.

More features in the user manual:K2M64_48_32-EN 

Schematic to wire the board inputs with either direct contact or Hall effect: K2M LH schema

Schematic to wire the board inputs with optical switch: OpticalSwitchShemaK2M

Please, download Parametor Encoder for free here: Parametor_Encoder Please read the manual in the ZIP before to use it.

You will need connectors and ribbon cable, please, have a look here: accessories

Additional information

Weight 105 g
Dimensions 170 × 40 × 10 mm