Show pagesourceOld revisionsBacklinksBack to top Share via Share via... Twitter LinkedIn Facebook Pinterest Telegram WhatsApp Yammer RedditSend via e-MailPermalink × Add the button block for button B 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 click on the matrix’s dots to « switch the lights on ». Click again to « turn them off ». en/tutorial/lou5/step3/description.txt Last modified: 2020/04/28 17:49(external edit) Log In