Alan writes in:
To help celebrate PI Day (March 14th – 3/14), my 10 year old daughter made a Pi sign out of the RGB LED Strip from Adafruit. (controlled by an Arduino Uno). She learned to program the Arduino taking a class I taught. The book I wrote for the class can be downloaded for free from introtoarduino.com
REMINDER: Pi Day sale! 3.1415% off everything in the Adafruit store with code “pi” valid through 11:59pm ET 3/14/2012
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