EV3 Ultrasonic Sensor

Non-Visible component
Category Requires Version
LEGO® MINDSTORMS® > EV3 API 19, Android 4.4 - 4.4.4 KitKat 1

Overview

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

Events

Above Range

Called when the detected distance has gone above the range.

Below Range

Called when the detected distance has gone below the range.

Within Range

Called when the detected distance has gone within the range.

Methods

Get Distance

Returns: Number

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

Set CM Unit

Measure the distance in centimeters.

Set Inch Unit

Measure the distance in inches.

Properties

Above Range Event Enabled

Boolean Default: False ➖ Read Write - Designer Blocks

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

Below Range Event Enabled

Boolean Default: False ➖ Read Write - Designer Blocks

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

Bluetooth Client

Component ➖ Read Write - Designer Blocks

The BluetoothClient component that should be used for communication.

Bottom Of Range

Number Default: 30 ➖ Read Write - Designer Blocks

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

Sensor Port

Text Default: 1 ➖ Write - Designer

The sensor port that the sensor is connected to.

Top Of Range

Number Default: 90 ➖ Read Write - Designer Blocks

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

Unit

Text Default: cm ➖ Read Write - Designer Blocks

Specifies the unit of distance.

Within Range Event Enabled

Boolean Default: False ➖ Read Write - Designer Blocks

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


Last update: January 27, 2020