ARDUINO PAGE
Shop:
COOL COMPONENTS
FARNELL [more extensive, general electronics]
OOMLAUT
ADAFRUIT (US)
SPARKFUN (US although converts to GBP)
PARALLAX (US) It is more orientated to basic stamp, but you can check the wide range of the sensors and components. I also like the explanations of the components....precise, variety...
Programming software
eyesweb
isadora
processing
max/msp
pure data
vvvv
openframeworks
Technical Information:
Colour code for the resistors
Table of ASCII values
Tutorials / Code examples:
Arduino Programming Notebook (pdf download) - A beginner's reference to the programming syntax of the Arduino microcontroller. Includes information on program structure, variables, datatypes, arithmetic, constants, flow control, and most of the common functions of the core library. Also includes an appendix with schematics and simple programs for several common tasks.
Ladyada tutorials - basic starting-out
Arduino projects group on Vimeo