Microcontroller Concepts

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Microcontroller definition

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A microcontroller is often described as a 'computer-on-a-chip'. It is an integrated circuit (IC) that contains memory, processing units, and input/output circuitry in a single unit.

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Key feature of a microcontroller

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The key feature of a microcontroller is its capability of uploading, storing, and running a program.

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Programming microcontrollers

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Microcontrollers are purchased empty and then programmed with a control program. Once programmed, the microcontroller is built into a product to control it.

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Applications of microcontrollers

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Applications include household appliances, alarm systems, medical equipment, vehicle subsystems, and electronic instrumentation.

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Diagram of a microwave with labeled parts controlled by a microcontroller.

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The diagram shows various parts of a microwave like fan control, temperature control, and more, managed by a microcontroller.

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Microcontroller used in schools

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Educational software applications are used to write programs stored in the microcontroller.

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Flowchart symbol for starting a process.

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START

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Flowchart symbol for output operations.

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Outputs

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Flowchart symbol for making decisions.

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Decision

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Flowchart symbol for incrementing values.

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Increment