As you start getting into Arduino, you may want to expand beyond the class.  Here’s some ideas on where to go.  Feel free to add to this list in the comments.

Learn:

•    arduino.cc
•    Free book download: Arduino in a Nutshell
•    Tom Igoe’s class website for Physical Computing.

Hack:

•     Ace Monster Toys (Oakland) and Raspberry Pi + Arduino Night
•     Sudo Room (Oakland)
•     Noisebridge (SF)
•     Nerds for Nature (Oakland)

Shop:

•     Local: Al Lasher’s (Berkeley), RadioShack (2x Berkeley, Emeryville)
•     Online: Adafruit, Sparkfun, DigiKey, Mouser, Amazon

Get inspired:

• Studio Roosegarde
• Höweler + Yoon Architecture
• Future Cities Lab