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→Week 2 - Digital input/output
* take a one dimensional output (one light) and communicate valuable information.
** "encoding"
** morse codehttp://en.wikipedia.org/wiki/Morse_code** Braille (a digital touch encoding), implemented with Servos** http://en.wikipedia.org/wiki/File:Braille_cell.svg
** think about contextualization... if the light is in an empty fuel gauge... warning light... how does its meaning change
** how could you change the meaning through contextualization
