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# 土壤湿度模块

## 概述

土壤湿度模块通过简易的水分传感器可用于检测土壤水分，土壤水分含量越高，传感器输出值越大。模块的传感器表面做镀金处理，延迟其使用寿命，可直接插入土壤，使用便利。

## 参数

* 尺寸：24x62mm
* 工作电压：+3.3-5V
* 接口类型：XH2.54mm-3P
* 引脚定义：1-地 2-电源 3-信号

## 接口说明

* 可用端口：2、3、4、9、10、11、12、13、A0、A1、A2、A3

## 使用方式

![](/files/-LWVPVX6et5V8m2xkDDS)

## 示例代码

![](/files/-LWVPVX829Fi9czefHA6)

![](/files/-LXNQbTlXTpq0uWS0Chl)

[土壤湿度模块示例代码](http://www.haohaodada.com/show.php?id=956410)

## 原理图

{% file src="/files/-LrD5vXfVcqRPd6lLcRu" %}
土壤湿度传感器模块原理图
{% endfile %}

## 尺寸说明

![](/files/-LWVPVXCE68R-j1PUX7b)

## 常见问题


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