13
snatcher: the autonomous robotic arm
Previous chapters taught you a great deal about programming NXT robots. Now that you’ve reached an advanced level of programming, you’re ready to build some more complicated robots in this and the next chapters. This chapter will teach you to build the Snatcher, an autonomous robotic arm that can find and pick up objects, as shown in Figure 13-1.
The Snatcher uses two NXT motors to control a set of treads, allowing the robot to move in any direction. You control its movement like you controlled the Explorer in Chapter 4 by adjusting the power and direction of the Driving motors to control the robot’s speed and driving direction (as shown in Figure 4-4).
understanding the grabber
Driving around on treads ...
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