Tachometer (leJOS EV3 API documentation)

All Superinterfaces:

Encoder

All Known Subinterfaces:

RegulatedMotor

All Known Implementing Classes:

BaseRegulatedMotor, EV3LargeRegulatedMotor, EV3MediumRegulatedMotor, MindsensorsGlideWheelMRegulatedMotor, MindsensorsGlideWheelXLRegulatedMotor, MirrorMotor, MMXRegulatedMotor, NXTRegulatedMotor, RCXRotationSensor, RemoteRequestRegulatedMotor, TetrixRegulatedMotor
```
public interface Tachometer
extends Encoder
```
Abstraction for a Tachometer, which monitors speed of the encoder.

Author:

BB

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  int getRotationSpeed()
  Returns the actual speed.
  - Methods inherited from interface lejos.robotics.Encoder
    getTachoCount, resetTachoCount

- Method Detail
  - getRotationSpeed
```
int getRotationSpeed()
```
    Returns the actual speed.
    
    Returns:
    
    speed in degrees per second, negative value means motor is rotating backward