microcontroller unit

noun
UK /ˌmaɪkrəʊkənˈtrəʊlə ˈjuːnɪt/
US /ˌmaɪkroʊkənˈtroʊlər ˈjuːnɪt/

A tiny computer on a chip that tells small machines what to do.

The toy robot's microcontroller unit makes its arms move.


OTHER MEANINGS

2. The main control chip inside a small electronic device.

Engineers replaced the microcontroller unit to fix the washing machine.

3. A compact integrated circuit containing a processor, memory, and input/output parts.

The microcontroller unit stores the program that blinks the LED.

4. A programmable component used in hobby electronics and robotics.

He connected the sensor to the microcontroller unit on his breadboard.