Ir-sensor NPM | npm.io

ir-sensor

get values from ev3 ir-sensor

Installation

$ npm install ev3-js-ir-sensor

Usage

var IRSensor = require('ir-sensor')
IRSensor(3).proximity // => 50
IRSensor(3).beacon(2) // => { heading: 0, distance: 100 }
IRSensor(3).remote(3) // => 1

API

IRSensor(port)

port - number of the port that the IR sensor is connected to

Returns: instance of IRSensor

.proximity

get the distance from the IR sensor to the nearest obstacle

Returns: number between 0 and 100

.beacon(channel)

get the heading and distance to the beacon on the specified channel

Returns: object with heading and distance.

heading

value	state
between 1 and 25	beacon to the right
0	beacon straight ahead (or no beacon)
between -25 and -1	beacon to the left

distance

value	state
between 0 and 100	beacon distance
-128	beacon not found

.remote(channel)

get the current state of the IR remote on the specified channel

Returns: number between 0 and 11

value	state
0	none
1	red up
2	red down
3	blue up
4	blue down
5	red up and blue up
6	red up and blue down
7	red down and blue up
8	red down and blue down
9	beacon mode on
10	red up and red down
11	blue up and blue down