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 LEGO makes for it. In Chapter 2 we discuss the NXT and the RCX-compatible sensors and motors. 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 two alternative languages: Next Byte Codes (NBC) and RobotC. 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 simplicity, they can ...
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