Getting Started With Arduino - Introduction to the open-source electronics prototyping platform
Making Things Talk - Through a series of simple projects, this book teaches you how to get your
creations to communicate with one another
Duemilanove - AT Mega 328 I/O Board
Shield Proto Kit
LilyPad Main Board - microcontroller board designed for wearables and "e-textiles".
Shield-Motor Kit - it allows to Arduino boards to drive two 12V DC motors
Book: 30 Projects - 30 Arduino projects for the evil genius.
UNO AT Mega 328 Board - NEW!