This book shows you how to advance the NXT with more than 45 exciting projects that include creating a cool magic wand who wrote the words in thin air, build long-range guided vehicles, and build a sophisticated robot that can sense color, light, temperature, and much more. Details are presented for practically unlimited expansion of the NXT input and output using I2C bus communications, and design a power amplifier allows the output NXT to encourage a larger motor. Instructions are also included to adapt to the LEGO Power Function motors to work directly with the NXT. In this book you will learn how to Create a sophisticated new sensors for light, magnetism, temperature, pressure, humidity and angle Advance your NXT creations with alternative software, communication, bluetooth, new motor, and wire Build muscle galvanic skin response meters, magic stick, a numeric keypad, and camera controller Play pong panorama, simon, and surfing game