You should find these helpful:
Good sites:
http://learn.adafruit.com/category/learn-arduino
http://arduino-info.wikispaces.com/
http://www.pighixxx.com/abc-arduino-basic-connections/
Some Books:
You should find these helpful:
Good sites:
http://learn.adafruit.com/category/learn-arduino
http://arduino-info.wikispaces.com/
http://www.pighixxx.com/abc-arduino-basic-connections/
Some Books: