Introduction
Before you get overly involved in extending the NXT, you need to understand the history of the MINDSTORMS concept, and the hardware and software that is available for it. In Chapter 1, we discuss what comes inside the NXT kit and the RCX sensors that are compatible with it. Let's void the warranty by taking them apart and seeing what's inside. We'll also provide a brief introduction to NXT-G and NXC, along with three alternative programming languages. Chapter 3 covers the ins and outs of the NXT and how to connect to it.
The simplest types of sensors to homebrew are generically referred to as passive sensors. Contact, resistive, potentiometer, and voltage sensors usually only require a single electronic part, but despite their apparent ...
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