The intelligent car of the soil moisture sensor in the soil moisture sensor

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Introduction

  • This is a simple water sensor can be used to detect soil moisture when the soil moisture deficit module outputs a high level, and vice versa output low. Use this sensor produced an automatic plant waterer device, so that the plants in yourgarden without people to manage.

  • Adjustable sensitivity adjust the digital potentiometer (shown in blue)

  • Operating voltage 3.3V-5V

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

  • Fixed bolt hole for easy installation

  • Small plates PCB size: 3cm * 1.6cm

  • Power indicator (red) and digital switching output indicator (green)

  • Using LM393 comparator chip, stable

  • Two small plates Interface Description (4-wire)

  • VCC external 3.3V-5V

  • GND external GND

  • DO-board digital output interface (0 and 1)

  • AO-board analog output interface

Three instructions for use

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

  • Module in the soil humidity less than a set threshold value when the DO port output high, when the when soil humidityexceeds the threshold value is set, the module D0 output low;

  • Small plates digital outputs D0 can be directly connected with the microcontroller, microcontroller to detect high and low, and thus to detect soil moisture;

  • Small plates digital output DO shop relay module can directly drive the buzzer module, and which can form a soil moisture alarm equipment;

  • Small plates analog output AO and AD module connected through the AD converter, you can get more precise valuesof soil moisture;

Shipping List

  • soil moisture sensor:1pcs

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