# Ev3UltraSonicSensor

A component that provides a high-level interface to an ultrasonic sensor on a LEGO MINDSTORMS EV3 robot.

## Properties

### BluetoothClient

The BluetoothClient component that should be used for communication. Must be set in the Designer

### SensorPort

The sensor port that the sensor is connected to. Must be set in the Designer

### BottomOfRange

The bottom of the range used for the BelowRange, WithinRange, and AboveRange events.

### TopOfRange

The top of the range used for the BelowRange, WithinRange, and AboveRange events.

### BelowRangeEventEnabled

Whether the BelowRange event should fire when the distance goes below the BottomOfRange.

### WithinRangeEventEnabled

Whether the WithinRange event should fire when the distance goes between the BottomOfRange and the TopOfRange.

### AboveRangeEventEnabled

Whether the AboveRange event should fire when the distance goes above the TopOfRange.

### Unit

The distance unit, which can be either "cm" or "inch".

## Methods

### GetDistance ()

Returns the current distance in centimeters as a value between 0 and 254, or -1 if the distance can not be read.

### SetCmUnit ()

Measure the distance in centimeters.

### SetInchUnit ()

Measure the distance in inches.