Check out our terminal program running on a 4D Systems LCD display. Perfect for debugging in the field.
There's only one thing worse than locking yourself out of the house: locking yourself out of the house in the pouring rain. Fortunately an Arduino based garage door trigger is much easier solution than remembering keys.
An Arduino controlled malt kiln provides a cost effective example of temperature based process control. It is also an interesting addition to any homebrewer's arsenal of equipment.