Moisture sensor

This is a summary of the moisture sensor can be used to detect the moisture of the soil, when the soil is dry , the module outputs a high level , whereas the output low. Using this sensor make an automatic watering system , so that your garden plants need people to manage.

Adjustable sensitivity ( shown in blue digital potentiometer adjustment ).

Operating Voltage 3.3V-5V.

Module Dual Output mode , a simple digital output , analog output more accurate.

With fixed bolt hole for easy installation.

Small PCB board size: 3cm * 1.6cm.

Power indicator ( red ) and the digital switch output indicator ( green ).

Using LM393 comparator chip, stable.

VCC external 3.3V-5V

GND GND External

DO small board digital output interfaces ( 0 and 1 )

AO small board analog output interface