This article is from the Robotics FAQ, by Kevin Dowling firstname.lastname@example.org with numerous contributions by others.
Robots are amazingly interdisciplinary; systems are comprised of
mechanics, electronics, hardware and software and issues germane to
all these catagories. As a result, the design and constructions of
such systems requires a corresponding variety of components and parts.
This section provides information about products available for some of
[10.1] Sensors This list covers only the most frequently requested
types of robot sensors. These include point-range sensors, cameras,
and acoustic devices. See Sensors magazine directory for a large and
comprehensive list. This list covers the following: