Parallax 28036 Manual

Parallax 4-Directional Tilt Sensor KickStart (#28036)
What It Can Do
Measures rotation position in four directions
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Basic tilt sensing when accelerometer is not required
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Easy interface with two digital on/off outputs
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The 4-Directional Tilt Sensor indicates rotational position. Two digital (on/off) outputs indicate
which side of the sensor is pointing down: the top, bottom, left, or right. The tilt sensor is an
economical alternative to more expensive accelerometers, when precise angular feedback isn't
necessary.
The sensor provides two independent outputs, labeled Out 1 and Out 2, which together indicate
which side of the device (top, bottom, left, right) is facing the ground. Inside the 4-Directional
Tilt Sensor is a small captive ball that alternately blocks or allows light to strike a pair of
photodetectors. Because this ball is sensitive to both gravity and very fast motion, the tilt sensor
is best when attached to stationary or slower-moving objects.
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