====== Add the button block for button B ======

{{:en:tutorial:tutorial5:step3:t5_img6.png?nolink|}}

{{:en:tutorial:info.png?nolink&39}} Add the ''if the button B was clicked'' block under the if the button A was click. Click on ''A'' to select ''B''.

===== Display/draw this smiley on the matrix if button B was clicked =====

{{:en:tutorial:tutorial1:thesmiley.png?nolink&333}}


{{:en:tutorial:info.png?nolink&39}} click on the matrix’s dots to « switch the lights on ». Click again to « turn them off ».