diy soil humidity sensor black yellow

Model No Quantity 1 Color Blue + Black + White Material PCB Features Nickel plating widen sensor area high electric conduction performance anti-rust long lifespan; Control threshold value through potentiometer: when moisture lower than setting value DO output high level when higher than setting value DO output low level Specification Comparator uses LM393 chipset; working voltage: 3.3V-5V; With fixed screw hole for easy installation Application Widely use in garden household flowerpot etc. Great for Arduino DIY. Other English Manual/Spec Yes Packing List 1 x Module

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