This appendix provides links to go beyond the information presented in the book. The links are categorized by chapter, with an additional "General Interest" category. Some of the links are to the websites of manufactures of electronic parts, and others are to companies that sell them. The book website at
http://www.apress.com will maintain an updated list of links.
LEGO page with NXT Developer Kits:
The NXT STEP blog:
MINDSTORMS-related newsgroup: ...