The Robotic Buggy - with Light / Dark Sensor and Bulb |
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V.Ryan © 2005 | |
The robotic buggy seen below is a basic model with the
addition of a new input (light/dark sensor) and new output
(light bulb). It still has a micro-switch at the front and
the back, connected to INPUTS 1 and 3.
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THE LIGHT /
DARK SENSOR - EXERCISE
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For this exercise a light / dark sensor will be
added to the front of the buggy. The sensor looks like many of the
other Lego bricks but it has two LEDs (lights on one side) - one
emits light and the other detects the level of reflected light. In
simple terms it detects dark or light. |
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