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Version 2.50 is out since Jan 1st 2022

Frequently Asked Questions


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Formatting Syntax



The SetLampColor function commands the NXT brick to set the color sensor lamp to one of the following:

  • 'White'
  • 'Red'
  • 'Green'
  • 'Blue'
  • 'Off'

The input parameter should be an NXT input port number between 1 and 4 (which the color sensor is plugged into).

nxt.SetLampColor( input, color );

Example - Set lamp in port 3 to red

function OnStart()
  nxt = app.CreateNxt();
  app.SetMenu( "Connect,SetLampColor" );
function OnMenu( name )
  if( name=="Connect" )
  else if( name=="SetLampColor" )
    nxt.SetLampColor( 3, "Red" );
built_in/nxt_setlampcolor.txt · Last modified: 2015/03/10 00:21 (external edit)