mi·​cro·​con·​trol·​ler | \ ˈmī-krō-kən-ˌtrō-lər How to pronounce microcontroller (audio) \
plural microcontrollers

Definition of microcontroller

: 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 Every microcontroller is at the heart of the invention. Courtney Linder, Popular Mechanics, "How a 16-Year-Old Built Smart Glasses That Are Better Than Google's," 21 Aug. 2020 This one, from hobbyist electronics company SparkFun, includes an Arduino-compatible microcontroller called the RedBoard. Sophie Bushwick, Popular Science, "The best DIY kits to give as gifts," 4 Dec. 2019 Arduino is a company that makes microcontrollers, which are tiny circuits that include everything someone needs in order to operate a specific kind of system. Caroline Delbert, Popular Mechanics, "The LEGO Microscope That's Capturing IBM Research," 6 May 2020 From here, a microcontroller could sit between the PPUs and a USB interface to a PC, which would allow a coder to program all of the video RAM and PPU external registers. Ars Technica, "How SNES emulators got a few pixels from complete perfection," 1 Apr. 2020 Robot arms and grippers have been around for a long time and components such as motors, sensors, and microcontrollers have never been so cheap or capable. Tom Simonite, Wired, "These Industrial Robots Get More Adept With Every Task," 10 Mar. 2020 The controller is inside of the Ryzen processor and is essentially a microcontroller that is responsible for the high response rate in pen and touch on the laptop. Gordon Mah Ung, PCWorld, "What makes the Ryzen 7 Surface Edition inside the Surface Laptop 3 so custom," 15 Oct. 2019 Ashford and the iFixit team also noted that Apple built a proprietary version of a microcontroller into its battery cells, one that sends information about the battery to the phone’s operating system. Lauren Goode, WIRED, "Apple's Battery "Service" Alerts Are a Blow Against Right to Repair," 13 Aug. 2019 The YouTube channel The Art of Repair reports that the source of the message is a Texas Instruments microcontroller installed on the battery itself, which ordinarily provides information about battery capacity and temperatures to the phone. Jon Porter, The Verge, "Apple is locking iPhone battery repair, says iFixit," 8 Aug. 2019

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.

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First Known Use of microcontroller

1971, in the meaning defined above

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Time Traveler for microcontroller

Time Traveler

The first known use of microcontroller was in 1971

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Last Updated

29 Aug 2020

Cite this Entry

“Microcontroller.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microcontroller. Accessed 22 Sep. 2020.

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