Featuring updated instructions for the improved leJOS NXJ software, this accessible manual is the perfect guide to LEGO Mindstorms NXT, an incredible new kit for building and programming your own robots. Using Java, the most popular and easy-to-use programming language available, this manual helps engineers and amateurs alike design and build their own customized robots, programmed however they desire. Complete with a diverse set of projects, building tips, programming codes, complete 3D-rendered building instructions, and hundreds of illustrations, this useful handbook is the perfect complement to the LEGO NXT kit. The NXT intelligent brick's Bluetooth capabilities are introduced as well as the newest available parts, including the gyro and the RFID sensor.