My son is using his EV3 with a color sensor. He is using the sensor to test the reflectivity of different materials. Can you please tell me what the letters "PCT" stand for?
1 Answer
Based on this API reference and this discussion of the color sensor it looks like "pct" is short for percent as in a ratio with 100.
David added in a comment:
EV3 hardware developer kit provides a bit more info on what 100% means:
The output from the sensor within light sensor mode is a value between 0 – 100 where 0 equals no reflected light measured and 100 equals full light reflection.
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1The EV3 hardware developer kit provides a bit more info on what 100% means: "The output from the sensor within light sensor mode is a value between 0 – 100 where 0 equals no reflected light measured and 100 equals full light reflection." Commented Mar 7, 2016 at 17:45