# 气压传感器

## 概述

气压传感器模块具有温度检测和大气压检测双重功能。气压传感器BMP280拥有较低的功耗，较高的分辨率以及采样频率。其基于博世成熟的压电式压力传感器技术，具有高EMC稳健性，高精度，低功耗等特点。

## 参数

* 工作电压：3.3-5V
* 气压测量范围：300hPa\~1100hPa
* 气压测量精度：0.16Pa
* 温度测量范围：0\~65℃
* 温度测量精度：0.01℃
* 工作温度：-40℃\~+85℃
* 接口模式：PH2.0-4p
* 尺寸：48x24mm

## 接口说明

* 可用端口：I2C接口

## 使用方式

将气压传感器与主控板连接。

![](/files/-LnKupGHUfmSX13XYeub)

```
注：由于传感器对环境条件非常敏感，请勿用手指触摸。
```

## 示例代码

![](/files/-LnKupGZ8xAO8lbwU94U)

## 尺寸说明

![](/files/-LWVPVY3e-Jx5ZBpQh7a)

## 相关资源

{% file src="/files/-LrrLsoqZr9b133b2-pq" %}
BMP280芯片手册
{% endfile %}

## 常见问题


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