Soil Moisture Meter Detection Module(pack of 10)
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Soil Moisture Meter Detection Module(pack of 10)

$12.99
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Soil Moisture Meter Detection Module(pack of 10) Features:This is a simple moisture sensor that can be used to detect soil moisture. When the soil lacks water, the module outputs a high level, otherwise it outputs a low level. Use this sensor to make an automatic watering device, so that the plants in your garden do not need to be managed by humans.Sensitivity is adjustable (the blue digital potentiometer is adjusted in the picture).Module dual output mode, digital output is simple, analog output is more accurate.Equipped with fixing bolt holes for easy installation.Small board PCB size: 3cm * 1.6cm.Power indicator (red) and digital switch output indicator (green).The comparator uses the LM393 chip, which works stably. Two small board interface specifications (4-wire system):1 VCC external 3.3V-5V2 GND External GND3 DO small board digital output interface (0 and 1)4 AO small board analog output interfaceInstructions for useThe soil moisture module is sensitive to environmental humidity

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