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January 11, 2024 15:41
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Detecting Colour
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| using the colour sensor, you can detect a range of colours and how much light is reflected from an object |
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Detecting colours
Add a colour sensor to your robot. If you're building a line following robot, then it needs to be pointing at the floor as shown below.
Otherwise, mount it facing forwards.
Move forward but stop if you're over something red.
Black vs white
Detecting black/white can be trickier, depending on the lighting conditions, and if the black object is quite shiny. This is the most reliable method: the hub will display W if the sensor sees something white, and B if it sees something black.
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