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Clear characters from LCD on EV3 brick

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



clearLCD(myev3) clears characters that the writeLCD function displays on the LCD located on the EV3 brick.


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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.


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

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

Input Arguments

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

Example: myev3

Data Types: char