mi·​cro·​con·​trol·​ler ˈmī-krō-kən-ˌtrō-lər How to pronounce microcontroller (audio)
plural microcontrollers
: an integrated circuit that contains a microprocessor along with memory and associated circuits and that controls some or all of the functions of an electronic device (such as a home appliance) or system

Example Sentences

Recent Examples on the Web The code referred to a chip produced by NXP Semiconductors Inc. and used in a car’s microcontroller unit. Bybloomberg, Fortune, 19 Oct. 2022 That microcontroller then controls the voltage passed through each panel on the jacket at a different rate, depending on the pattern the wearer is trying to attain. WIRED, 27 Sep. 2022 The modchip itself is made up of a Raspberry Pi microcontroller, flash storage, electronic switches, and a voltage regulator. Wired, 11 Aug. 2022 Of course, each panel needs to be programmed and passed to a microcontroller set within the jacket. WIRED, 27 Sep. 2022 Other hacks go further, like installing an Arduino microcontroller that allows the once-useless button to be hooked up to a computer or custom hardware setup. Chaim Gartenberg, The Verge, 27 Jan. 2021 The microcontroller will also be given away for free in February issues of HackSpace magazine. Ian Carlos Campbell, The Verge, 21 Jan. 2021 Multiple optical sensors were connected to a single microcontroller via a bidirectional multiplexer to operate the pneumatic system in response to the sensor network's feedback. Jennifer Ouellette, Ars Technica, 28 July 2022 Launched in January of 2021 for just $4, the Pico's RP2040 microcontroller incorporates a pair of 133MHz Arm Cortex-M0+ CPU cores and 264 kilobytes (not megabytes) of memory. Andrew Cunningham, Ars Technica, 30 June 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'microcontroller.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1971, in the meaning defined above

Time Traveler
The first known use of microcontroller was in 1971

Dictionary Entries Near microcontroller

Cite this Entry

“Microcontroller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microcontroller. Accessed 30 Nov. 2022.

Last Updated: - Updated example sentences
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