Programming Lego Mindstorms NXT

Chapter 2. About NXT-G Programs

Introduction

NXT-G is a visual language where instead of writing the program in text, you work with icons that represent self-contained units of program instructions. These units are called programming blocks, or just blocks. You drag the required blocks on to the work area of the screen and arrange them on the sequence beam in the order in which they are to be executed (see Figure 2.1).

Figure 2.1. Creating a program. A wait block is being dragged from the palette on the left and dropped on to the end of the sequence beam. The beam expands automatically to make room for it. The block will provide 1 second of silence after the second tone has been played.

When you first open your LEGO Mindstorms kit you are ...