Charlieplexing

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noun

A technique for driving a multiplexed display in which relatively few I/O pins on a microcontroller are used to drive an array of LEDs. It is based on tristate logic.

Scrabble 29
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Meanings

nounCharlieplexing (uncountable)
  1. uncountableA technique for driving a multiplexed display in which relatively few I/O pins on a microcontroller are used to drive an array of LEDs. It is based on tristate logic.

Origin

Blend of Charlie + multiplexing. It was proposed in early 1995 by Charlie Allen at Maxim Integrated.

Full word history & related roots →
Cite this entry
APA

Charlieplexing. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Charlieplexing

MLA

“Charlieplexing.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Charlieplexing. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Charlieplexing,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Charlieplexing.

Source: Charlieplexing on Wiktionary, CC BY-SA 4.0.