Figure 1.1. This is the computer screen during a NXT-G programming session. On the left-hand side is the palette from which you drag the icons that represent the programming blocks. The icons are assembled into a program on the grid of the working area. Below the working area is the configuration pane, which displays the detailed settings of the currently selected block.
Figure 1.2. This version of the Tribot is equipped with bumper sensor, to detect objects that it runs into, and also has a light sensor pointing forward with which it can seek out light sources in the room.