SKU: BOS0006
This BOSON Steam Sensor measures water on its petal-shaped pad and converts to analog output. Unlike air humidity sensors (which measure water vapor), it detects water droplets (raindrops, fog, steam). When droplets hit the pad, humidity rises, increasing voltage. It works with Arduino/micro:bit for environment projects like rain gauges or steam level switches. Note: Not 100% waterproof—do not immerse the 3P cable interface.
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Reference
This article provides a comprehensive guide on using a humidity sensor with Arduino or micro:bit for rain monitoring, explaining the fundamental principle of output signal variation with changes in humidity levels.
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