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The original Mindstorms Robotics Invention System kit contained two motors, two touch sensors, and one light sensor. The NXT version has three servo motors and one sensor each for light, sound, and distance as well as 1 touch sensor. The NXT 2.0 has 2 touch sensors as well as light, sound and distance sensors, and support for 4 without using a sensor multiplexor. Lego Mindstorms may be used to build a model of an embedded system with computer-controlled electromechanical parts. Many kinds of real-life embedded systems, from elevator controllers to industrial robots, may be modelled using Mindstorms.

The Lego camera is meant to be used with the included Vision Command software which can also interface with an RCX and thus enables creating robots with vision . The software is capable of detecting different lightings, motion, and colors. It can also be used with any other software that uses a webcam. The webcam is capable of recording up to 30 frames per second. It also contains a microphone to record sound for videos.

Just when I thought there was an app for every possible task I needed, along comes MINDroid for Google smartphones running Android 2.1 or better. The free application turns an Android handset into a wireless remote control devices for robots built using a LEGO Mindstorm NXT kit. MINDroid quickly connects to an NXT robot over a standard Bluetooth connection. Once connected, the app uses the phone’s accelerometer to send directional controls to the NXT brick, which is the “brains” of an Mindstorms robot. Tilting the phone will activate motors on the robot to move left, right, forward or back, for example. An included Action button in the software can be used for other motor-based activities, such as shooting out an object from the robot or closing a gripper hand.

The LEGOl® MINDSTORMSe™ Robotics Invention System (RIS) is a wildly popular kit for building mobile robots. This book contains all the information you need to get the most out of your kit. Based on hands-on robot projects, it includes descriptions of advanced mechanical techniques, programming with third-party software, building your own sensors, working with more than one kit, and sources of extra parts. This book goes far beyond what you'll find in the official documentation to enable you to build and program whatever you can imagine.