Abstract
Physical widgets or phidgets are to physical user interfaces what
widgets are to graphical user interfaces. Similar to widgets, phidgets
abstract and package input and output devices: they hide implementation and
construction details, they expose functionality through a well-defined API, and
they have an (optional) on-screen interactive interface for displaying and
controlling device state. Unlike widgets, phidgets also require: a connection
manager to track how devices appear on-line; a way to link a software phidget
with its physical counterpart; and a simulation mode to allow the programmer to
develop, debug and test a physical interface even when no physical device is
present. Our evaluation shows that everyday programmers using phidgets can
rapidly develop physical interfaces.
Notes
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