Difference between revisions of "Photocell"

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[[image:photocell.jpg|right]]

===Overview===
===Overview===



Revision as of 16:36, 20 June 2006

Overview

Photoresistors (photocells) are simply variable resistors in many ways similar to potentiometers, except that the resistance change in light level rather than by turning a knob. Photoresistors can be used as light sensors, which can enable robot behaviors such as hiding in the dark, moving toward a beacon, etc.

How It Works

Circuitry

Connecting to the PC/104 Stack