# 温湿度模块

## 概述

NOVA温湿度模块采用的是DHT11传感器，可以用来同时测量温度和湿度。

## 参数

* 供电电压：+5V
* 尺寸：40x23mm
* 接口类型：数字
* 温度范围：0-50℃ 误差±2℃
* 湿度范围：20-90%RH 误差±5%RH
* 接口模式：2510-3p
* 引脚定义：1-控制端 2-电源 3-地

## 接口说明

* 可用端口： A0、A1、A2、A3、S0、S1、S2、S3

## 使用方式

![](/files/-LWJlLVzWIvbc0oWImUM)

## 示例代码

![](/files/-LWJlLW0J1Y6y2aQpLaw)

[温湿度模块示例代码](http://www.haohaodada.com/show.php?id=950150)

## 原理图

{% file src="/files/-LrCTkMvyRBSZ2cy0xY3" %}
温湿度传感器模块原理图
{% endfile %}

## 尺寸说明

![](/files/-LWJlLW2OQJ2R1Tz7kgR)

## 相关资源

{% file src="/files/-LrHIP-l-oVZ-waEMS3Y" %}
DHT11芯片说明
{% endfile %}

## 常见问题


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