O'Reilly logo

Lego Mindstorms EV3 Essentials by Abid H. Mujtaba

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Visual programming – blocks and icons

Let's begin by understanding the program we have just constructed. We are already familiar with the start and end icons. Between all consecutive blocks (and the boundary icons) are insertion nodes that indicate locations where new blocks can be inserted by pressing the Up key.

Any block can be changed or deleted by highlighting it (by navigating to it) and pressing Up. This presents a list of icons one can choose from as a replacement as well as a delete icon which, if pressed, removes the block from the program:

Visual programming – blocks and icons

Some of the blocks have options or values that can be changed. For instance, the sound block has a ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required