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Version 2.50 is out since Jan 1st 2022

Frequently Asked Questions


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Formatting Syntax



The Disconnect function simply disconnects the Bluetooth link between your phone and the NXT brick.


Example - IsConnected Connect / Disconnect to NXT with FontAwesome icons

var nxt, lay;
function OnStart()
  lay = app.CreateLayout( "Linear", "VCenter, FillXY" );
  //Create Connect button.
  btnConnect = app.CreateButton( "[fa-plug] Connect", 0.5, 0.08, "Gray,FontAwesome" );
  btnConnect.SetMargins( 0.1, 0.01, 0.1, 0.01 );
  btnConnect.SetTextSize( 24 );
  btnConnect.SetOnTouch( btnConnect_OnTouch );  
  lay.AddChild( btnConnect );
  app.AddLayout( lay );
  nxt = app.CreateNxt();
function onNXTConnected() 
    if (nxt.IsConnected()) {
        btnConnect.SetText("[fa-unlink] Disconnect");
        app.ShowPopup("Connected to Bluetooth device: "+nxt.GetBtName()+" : "+nxt.GetBtAddress());
function btnConnect_OnTouch()
	if (nxt.IsConnected()) {
	    app.ShowPopup( "Disconnectig from Bluetooth device: "+nxt.GetBtName() );
	    btnConnect.SetText("[fa-plug] Connect");
	} else {
	    //Show list of NXT devices.
built_in/nxt_disconnect.txt · Last modified: 2015/03/11 05:04 (external edit)