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1655
Analog Compass Sensor
This sensor
provides a ratiometric output on two channels. The outputs swing
from approximately 3.2v to 1.8v in a sine/cosine fashion. It will
return to the indicated direction from a 90 degree displacement
in approximately 2.5 seconds with no overswing.
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This sensor
provides a ratiometric output on two channels. The outputs swing
from 2.9v to 2.1v in a sine/cosine fashion. It will return to the
indicated direction from a 90 degree displacement in approximately
2.5 seconds with no overswing.
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1490
Digital Compass Sensor
This sensor provides eight directions of heading information by measuring
the earth's magnetic field using hall-effect technology. The 1490
sensor is internally designed to respond to directional change similar
to a liquid filled compass. It will return to the indicated direction
from a 90 degree displacement in approximately 2.5 seconds with no
overswing. The 1490 can operate tilted up to 12 degrees with acceptable
error. It is easily interfaced to digital circuitry and microprocessors
using only pull-up resistors. ) |
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