Keyboard matrix circuit: Difference between revisions

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Revision as of 20:15, 7 September 2021

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A '''keyboard matrix circuit''' is a design used in most electronic [[musical keyboard]]s and [[computer keyboard]]s 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 (6160 notes). By scanning these crossings, a keyboard controller can determine which keys are currently pressed.<ref name="dribin"/>

==Description==