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Light Sensor
Technology
Select the ambient light icon. Select
the port in which you have placed the
sensor.
Viewing Ambient light
Viewing ambient light turns off the fl ood
light so that the sensor reads only the
light around it.Connect the Light Sensor
to the NXT.
Select View in the NXT display.
Test the Light Sensor’s ability to read the surrounding light by
measuring the light level in different places of the room. For example,
fi rst hold the sensor against the window, then hold it under the table.
Notice the difference in the readings. Higher numbers indicate more
light (as a percentage of the light the sensor can read). Lower numbers
indicate a lower amount of light.
Try Me
The Try Me [Try Me] feature (see page 17) includes
several programs already prepared for experimenting
with the NXT and a Light Sensor. Using the programs
available you can experiment with several features. For
example, using one Light Sensor and the face on the
display:
Using the Light Sensor you can make the eyes open
and close on the display face.
Program
You can also use the Program [Program] feature to
create programs right on the NXT without using a
computer. See the Program section on page 15 to
create a program using the Light Sensor to control a
Motor.
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