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I2C · Analog · 3.3 – 5 V · Breakout
Adafruit describes the CdS photoresistor as a light sensor whose resistance falls as light increases, and its product page gives an examp…
CdS photoresistors, I2C lux sensors like VEML7700 and TSL2591, multi-channel spectral sensors, UV detectors and TCS-series color sensors — about 80 listings for anything that responds to photons.
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Sensors · Biometric sensors · 24 parts
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Sensors · Cameras & vision · 139 parts
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Sensors · Current & voltage · 24 parts
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Sensors · Distance sensors · 178 parts
Photo Cell (CdS Photoresistor)
Loose CdS light-dependent resistor for simple analog light sensing. Useful for light/dark thresholds and approximate brightness, not color detection.