The difference between Controller and Microcontroller

When used as nouns, controller means one who controls something, whereas microcontroller means a microcomputer on a single chip, used to control some device such as an automobile engine or a toy.

check bellow for the other definitions of Controller and Microcontroller

  1. Controller as a noun:

    One who controls something.

  2. Controller as a noun (electronics):

    Any electric or mechanical device for controlling a circuit or system.

  3. Controller as a noun (business):

    A person who audits, and manages the financial affairs of a company or government; a comptroller.

  4. Controller as a noun (computing):

    A mechanism that controls or regulates the operation of a machine, especially a peripheral device in a computer.

  5. Controller as a noun (nautical):

    An iron block, usually bolted to a ship's deck, for controlling the running out of a chain cable. The links of the cable tend to drop into hollows in the block, and thus hold fast until disengaged.

  6. Controller as a noun (espionage):

    The person who supervises and handles communication with an agent in the field.

  7. Controller as a noun (linguistics):

    The subject of a control verb. See

  8. Controller as a noun (software architecture):

    In software applications using the model-view-controller design pattern, the part or parts of the application that treat input and output, forming an interface between models and views.

  1. Microcontroller as a noun (computing, electronics):

    A microcomputer on a single chip, used to control some device such as an automobile engine or a toy.

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