writeLCD

Write characters to LCD on EV3 brick

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

Syntax

writeLCD(myev3,string)

writeLCD(myev3,string,row,column)

Description

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

writeLCD(myev3,string) displays a string near the center of the LCD located on the EV3 brick.

writeLCD(myev3,string,row,column) displays a string on a specific row and column of the LCD.

Examples

Display and Clear Text on the LCD

You can display text near the center of the LCD or at a specific location.

Create a connection to the EV3 brick called myev3.

myev3 = legoev3;

Display text on the LCD.

writeLCD(myev3,'Collision Alert!')

The text appears near the center of the LCD.

Clear the text from the LCD.

clearLCD(myev3)

Display “X” in the lower-right corner of the LCD.

writeLCD(myev3,'X', 9, 19)

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

string — Characters to display

string

Characters to display on LCD, specified as a string.

Example: 'Collision Alert!'

Data Types: char

row — Row on LCD

1 to 9

Row number on LCD, specified as a double.

Example: 2

Data Types: double

column — Column on LCD

1 to 19

Column number on LCD, specified as a double.

Example: 1

Data Types: double

Version History

Introduced in R2014b