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  2. Keyboard matrix circuit - Wikipedia

    en.wikipedia.org/wiki/Keyboard_matrix_circuit

    A keyboard matrix circuit is a design used in most electronic musical keyboards and computer keyboards in which the key switches are connected by a grid of wires, similar to a diode matrix. For example, 16 wires arranged in 8 rows and 8 columns can connect 64 keys—sufficient for a full five octaves of range (61 notes).

  3. EAGLE (program) - Wikipedia

    en.wikipedia.org/wiki/Eagle_(program)

    EAGLE contains a schematic editor, for designing circuit diagrams. Schematics are stored in files with .SCH extension, parts are defined in device libraries with .LBR extension. Parts can be placed on many sheets and connected together through ports. The PCB layout editor stores board files with the extension .BRD.

  4. MIDI - Wikipedia

    en.wikipedia.org/wiki/MIDI

    One common MIDI application is to play a MIDI keyboard or other controller and use it to trigger a digital sound module (which contains synthesized musical sounds) to generate sounds, which the audience hears produced by a keyboard amplifier. MIDI data can be transferred via MIDI or USB cable, or recorded to a sequencer or digital audio ...

  5. Schematic editor - Wikipedia

    en.wikipedia.org/wiki/Schematic_editor

    A schematic editor is a tool for schematic capture of electrical circuits or electronic circuits.. Schematic editors replaced manual drawing of schematic diagrams, but they still retain the capability of outputting schematics on specially formatted sheets.

  6. Schematic capture - Wikipedia

    en.wikipedia.org/wiki/Schematic_capture

    Schematic capture or schematic entry is a step in the design cycle of electronic design automation (EDA) at which the electronic diagram, or electronic schematic of the designed electronic circuit, is created by a designer. This is done interactively with the help of a schematic capture tool also known as schematic editor. [1]

  7. MIDI keyboard - Wikipedia

    en.wikipedia.org/wiki/MIDI_keyboard

    A MIDI keyboard or controller keyboard is typically a piano-style electronic musical keyboard, often with other buttons, wheels and sliders, used as a MIDI controller for sending Musical Instrument Digital Interface commands over a USB or MIDI 5-pin cable to other musical devices or computers.

  8. Comparison of MIDI editors and sequencers - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_MIDI_editors...

    MIDI and audio full DAW, simple user interface, flexible MIDI editing. MusE: Linux: GPL-2.0-or-later: Piano roll, event list: Open source midi and audio work station with support for VST, DSSI, LADSPA and LV2. MuseScore: Linux, macOS, Windows, iOS (partial) GPL-2.0-only: Werner Schweer Score: Music notation software with full MusicXML support ...

  9. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    A circuit diagram (or: wiring diagram, electrical diagram, elementary diagram, electronic schematic) is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components and interconnections of the circuit using standardized symbolic representations.