S0/S1 ↔ MCU.IO (Output frequency scaling selection inputs)
S2/S3 ↔ MCU.IO (Photodiode type selection inputs)
S0/S1 selects the output frequency scaling factor, S2/S3 selects the colour filter of red, green, blue, then OUT outputs a square wave with a frequency proportional to the selected colour intensity.
The detected colour can be determined by the ratio of the intensity of red, green and blue.
Note
Sensor only - no cable included
Avoid environment light noise
White balance is required when the first time using the module, resetting the module or changing the light source
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