# 蓝牙4.0模块

## 概述

如今大多高端电子设备都配备蓝牙技术，如笔记本电脑、手机、PDA等等，蓝牙技术结束了“线缆噩梦”进入了全新的无线时代。蓝牙模块可与nova主控板连接，实现蓝牙无线控制。

## 参数

* 蓝牙芯片： TI CC2540
* 工作频率： 2.4GHz
* 数据速率-最大值： 1Mbps GFSK
* 调制或协议： 蓝牙低功耗，V4.0
* 功耗： 工作时：平均10.6mA；待机：8.7mA
* 灵敏度： -93dBm
* 尺寸：29x24mm
* 电压-电源： 3.3V
* 工作温度范围： -10 ℃ \~ +65 ℃
* 最远传输距离： 30m左右（空旷地带）

## 接口说明

* 可用端口： C0

## 使用方式

![](/files/-LWJlL5dRzfa_jb4x42K)

## 示例代码

![](/files/-LWJlL5fi2x9cO9vnYhc)

[蓝牙4.0模块示例代码](http://www.haohaodada.com/show.php?id=955396)

## 原理图

{% file src="/files/-LrCV8pc9lDR3Ev\_Fglv" %}
蓝牙4.0模块原理图
{% endfile %}

## 尺寸说明

![](/files/-LWJlL5h6WmGuiurYVXw)

## 常见问题


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