Smart Electronics Soil Moisture Hygrometer Detection Humidity Sensor Module For Development Board DIY Smart Car

Disclaimer:

1 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 .

2 adjustable sensitivity ( shown in blue digital potentiometer adjustment )

4 Operating Voltage 3.3V-5V

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

6 with fixed bolt hole for easy installation

7 small board size : 3cm * 1.6cm

8 power indicator ( red ) and the digital switch output indicator ( green )

9 using LM393 comparator , stable

VCC external 3.3V-5V

GND GND External

DO small board digital output interfaces ( 0 and 1 )

AO small board analog output interface

Instructions

A soil moisture and humidity module most sensitive to the environment , usually used to detect soil moisture .

Modules in the soil moisture reach the set threshold , DO port output high when soil moisture exceeds a set threshold, the module D0 output low ;

Digital outputs D0 small plates can be directly connected with the microcontroller through the microcontroller to detect high and low , thereby detecting soil moisture ;

Small plates digital output DO OUR relay module can directly drive the module , which can be composed of a soil moisture alarm equment ;

Small plates AO analog output modules can be connected and AD through the AD converter , you can get a more accurate value of soil moisture

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