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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In circuit diagrams, a rectangle is used to represent the microcontroller.

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Connections for input, output, and power are added as required.

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Educational software applications are used to write programs for microcontrollers in schools.

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Educational software applications.

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Flowchart symbol for starting a process

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START

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Flowchart symbol for comparing values

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Compare

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Flowchart symbol for expressions

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Expression

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Flowchart symbol for incrementing values

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Increment

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Circuit Diagram

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Diagram showing a microcontroller connected to a circuit board

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Expression or Increment in flowcharts

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Typically represented by a rectangle or parallelogram

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Macro in flowcharts

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Represents a larger process or series of steps