This is a simple water sensor ,can be used to detect soil moisture .Module Output is high level when the soil moisture deficit,or output is low.Can be used in module plant waterer device, and the plants in your garden no need people to manage.
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Adjustable sensitivity by adjusting the digital potentiometer
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Operating voltage:3.3V~5V
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Dual output mode,analog output more accurate.
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A fixed bolt hole for easy installation
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Panel PCBA Dimension: 30mm * 16mm