Sensitivity can be adjusted by potentiometer in order to control relay in different moisture level
This is a rain, plant leaf humidity sensor that can be used for all kinds of weather monitoring
Designed with indicators that will clearly show the power state and switch state
High power relay module can directly control load such as motor
High quality FR-04 material, large area of 5.0*4.0cm, nickel plating surface has better oxidation resistance, electrical conductivity, and longer service life