writeStatusLight

R2026b

Control color and mode of status light on EV3 brick

Syntax

writeStatusLight(myev3,color,mode)

writeStatusLight(myev3,off)

Description

Add-On Required: This feature requires the MATLAB Support Package for LEGO MINDSTORMS EV3 Hardware add-on.

writeStatusLight(myev3,color,mode) controls the status light that surrounds the five buttons on the front of the EV3 brick. This function turns the status light on or off, changes the color of the light, and makes the light pulse or remain on continuously.

writeStatusLight(myev3,off) turns the status light off.

Examples

Change the Color of the Status Light and Make it Flash

Change the color and mode of the status light on an EV3 brick.

Write a series of different colors and modes to the status light:

writeStatusLight(myev3,'orange','pulsing')
pause(3)
writeStatusLight(myev3,'red','solid')
pause(3)
writeStatusLight(myev3,'off')
pause(3)
writeStatusLight(myev3,'green','solid')

Input Arguments

myev3 — Connection to EV3 brick

object handle

Connection to EV3 brick, specified as a string that represents the object created using legoev3.

Example: myev3

Data Types: char

color — Color of status light

off (default) | green | red | orange

The color of the status light, specified as a string.

Example: 'orange'

Data Types: char

mode — Pulsing or continuous light

solid (default) | pulsing

Pulsing or continuous light, specified as a string.

Example: 'pulsing'

Data Types: char

off — Turns the status light off

off

Off, specified as a string.

Example: 'off'

Data Types: char

Version History

Introduced in R2014b