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

Examples of microcontroller in a Sentence

Recent Examples on the Web Since 2018, Wear OS watches generally have had an application processor (AP) to handle power-intensive tasks and an ultra-low-power co-processor microcontroller unit (MCU) for always-on tasks like step counting and heart rate. Victoria Song, The Verge, 26 Feb. 2024 James Provost Using a microcontroller—rather than, say, discrete logic chips—simplified the design and allows for easy modification and expansion. IEEE Spectrum, 23 Jan. 2024 His team was able to 3D-print prototype sensors in different shapes (a hollow cube and a triangle) and test them by using a wire to connect the prototypes to a resistor and microcontroller. Jennifer Ouellette, Ars Technica, 21 Sep. 2023 Next was finding the right kind of microcontroller with enough flash memory for volumetric image data but not too much pain to actually program. Kevin Purdy, Ars Technica, 6 Dec. 2023 That full range would curdle the analog-to-digital convertors built into most microcontroller boards, so the THAT compresses and shifts that range for the hybrid port. IEEE Spectrum, 28 Dec. 2023 The wacky idea was inspired by little beyond the building of an Open Source Cartridge Reader and the realization that a keyboard's microcontroller could probably fit in a Game Boy Advance cartridge. Scharon Harding, Ars Technica, 30 Aug. 2023 Much of the money would fund the making of microcontrollers, which are used by the military as well as in autos, household appliances and medical devices. Josh Boak, Fortune, 4 Jan. 2024 The electronics were quite simple: a microphone to pick up sound in the room, a bandpass filter in the range of 2,200 to 2,800 hertz (the typical range of a handclap), a few triode switches, and a microcontroller. IEEE Spectrum, 30 Dec. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'microcontroller.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 3 Mar. 2024.

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