LM393 DC 3.3-5V Moisture Sensor Soil Hygrometer Humidity Detection

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Description:

This is a sensor can be used to detect when the deficit module outputs a high level, and vice output low.

Use this sensor produced an automatic plant waterer device, so that the plants in your garden without people to manage.

Sensitivity adjustable the blue digital potentiometer adjustment (Figure)

Operating voltage 3.3V-5V

Module dual output mode, digital output, analog output more accurate.

With hole for easy installation

Specification:

Comparator LM393 , stable

PCB size: Approx. 3cm * 1.6cm/ 1.18x 0.63inch

Interface Description (4-wire)

VCC: 3.3 V-5V

GND: GND

DO: digital output interface (0 and 1)

AO: Analog Output Interface

Instructions for use:

1. module is most sensitive to the ambient humidity is generally used to detect the moisture content of the soil.

2. Module to reach the threshold value is set in the , DO port output high, when the the soil humidity exceeds a set threshold value, the module D0 output low;

3. The digital output D0 can be connected directly with the to detect high and low by the to detect ;

4. The digital outputs DO shop relay module can directly drive the module, which can form a alarm equipment;

5. Analog output AO and AD module connected through the AD converter, you can get more precise values of ;

Package Includes:

1 Piece module

1 Piece sensor

5 Pieces Lines

Humidity Sensor Module ;Soil Humidity Detection ;Soil Hygrometer;Humidity Detection Module ;Moisture Testing Sensor;Moisture Detection