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About: Charlieplexing     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatDigitalCircuits, within Data Space : dbpedia.org associated with source document(s)

Type: topical conceptyago:Artifact100021939yago:Circuit103033362yago:Device103183080yago:ElectricalDevice103269401yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:Whole100003553yago:WikicatDigitalCircuits New Facet based on Instances of this Class

Charlieplexing (also known as tristate multiplexing, reduced pin-count LED multiplexing, complementary LED drive and crossplexing) is a technique for driving a multiplexed display in which relatively few I/O pins on a microcontroller are used e.g. to drive an array of LEDs. As with any multiplexing, there is a requirement to cycle through the in-use LEDs rapidly so that the persistence of the human eye perceives the display to be lit as a whole. Multiplexing can generally be seen by a strobing effect and skewing if the eye's focal point is moved past the display rapidly.