# 激光发射模块

## 概述

激光发射模块可通过调节高低电平控制其激光的发射状态。

## 参数

* 尺寸：48x24mm
* 工作电压：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/-LWVPVXyt9jRKOqD5Q6i)

## 示例代码

![](/files/-LWVPVY-bE5Sb74GilcU)

![](/files/-LWVPVY1c2qE_izDFLMX)

[激光发射模块示例代码](http://www.haohaodada.com/show.php?id=955856)

## 原理图

{% file src="/files/-LrD72ldwKLsvh4AACvi" %}
激光发射模块原理图
{% endfile %}

## 尺寸说明

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

## 常见问题


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