xiyue521 发表于 2019-9-29 19:37

【DFRobot无线通信模块】之硬件分析

<div class='showpostmsg'> 本帖最后由 xiyue521 于 2019-9-29 21:39 编辑

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<p><strong><font color="#5E7384">此内容由EEWORLD论坛网友<font size="3">xiyue521</font>原创,如需转载或用于商业用途需征得作者同意并注明出处</font></strong></p>

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<p><strong>说明:板子来源为EEWorld活动所得,由DFRobot提供,贴上产品链接:<a href="http://www.dfrobot.com.cn/goods-1442.html">http://www.dfrobot.com.cn/goods-1442.html</a>&nbsp;</strong></p>

<h1 style="border-bottom:1.0000pt solid #aaaaaa; margin-bottom:1px; text-indent:0.0000pt; padding:0pt 0pt 0pt 0pt ; text-align:left"><strong><span style="font-size:24pt"><span style="line-height:12.6000pt"><span style="font-family:宋体"><span style="font-weight:bold"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="font-weight:bold"><font face="宋体">第一篇主要是讲下</font></span></span><span style="font-family:sans-serif"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="font-weight:normal"><span style="text-transform:none"><span style="font-style:normal">Gravity A6 GSM&amp;GPRS Module</span></span></span></span></span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="font-weight:normal"><span style="text-transform:none"><span style="font-style:normal"><font face="宋体">的外形和硬件结构介绍</font></span></span></span></span></span></span></span></span></span></span></span></strong></h1>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="background:#ffffff"><span style="font-family:sans-serif"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="text-transform:none"><span style="font-style:normal">DFRobot新一代物联网力作,Gravity UART A6 GSM &amp; GPRS无线通信模块。仅需一张支持GSM的电话卡,即可打电话,发短信,GPRS无线数据传输。体积小巧,方便携带;模块采用5V供电,串口电平2.8V,完美兼容Arduino,树莓派等5V和3.3V控制器。模块拥有一个3.5mm耳机接口,可以制作一台DIY手机。</span></span></span></span></span></span></span></span></span></strong></p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:宋体"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="font-weight:normal"><span style="text-transform:none"><span style="font-style:normal"><font face="宋体">先来看看开发板的包装:</font></span></span></span></span></span></span></span></span></span><font face="宋体" style="letter-spacing: 0pt; color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt;">十分的小巧精致,比想象的小,很适合学习和</font><span style="letter-spacing: 0pt; color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt;">DIY</span><font face="宋体" style="letter-spacing: 0pt; color: rgb(0, 0, 0); font-family: 宋体; font-size: 12pt;">。</font></strong></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:宋体"><span style="color:#000000"><span style="letter-spacing:0.0000pt"><span style="font-weight:normal"><span style="text-transform:none"><span style="font-style:normal"><font face="宋体">再来看看它的</font>3D<font face="宋体">图和主要引脚说明:</font></span></span></span></span></span></span></span></span></span></strong></p>

<p style="text-align:justify"><strong></strong></p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:宋体"><font face="宋体">实物图:</font></span></span></span></span></strong></p>

<p style="text-align:justify">&nbsp;</p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:12.0000pt"><span style="font-family:宋体"><font face="宋体">(为避免对</font>SIM<font face="宋体">卡座和其他元件的磨损,所以又自己加了</font><font face="Calibri">4</font><font face="宋体">个塑料支柱;)</font></span></span></span></span></strong></p>

<p style="text-align:left">&nbsp;</p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">功能说明:</font></span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">尺寸</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">22.8</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000">&times;</span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">16.8</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000">&times;</span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">2.5mm</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">工作温度</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">-30</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000">℃</span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">to+80</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000">℃; </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">工作电压</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">3.3V-4.2V; </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">开机电压</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">&gt;3.4V</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">待机平均电流</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">3ma </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">以下;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">GSM/GPRS </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">四个频段,包括</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">850,900,1800,1900MHZ</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">GPRS Class 10; </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">灵敏度</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">&lt;-105; </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持语音通话;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">SMS </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">短信;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">GPRS </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">数据业务,最大数据速率,下载</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">85.6Kbps,</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">上传</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">42.8Kbps</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持标准</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">GSM07.07,07.05 AT </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">命令及</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">Ai Thinker </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">扩展命令;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">2 </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">个串口,一个下载串口,一个</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">AT </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">命令口;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">AT </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">命令支持标准</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">AT </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">和</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">TCP/IP </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">命令接口;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持数字音频和模拟音频,支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">HR</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">FR</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">EFR</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">AMR </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">语音编码;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">支持</font> </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">ROHS</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">FCC</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">CE</span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">,</font></span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">CTA </span></span></span><span style="font-size:10.5000pt"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">认证;</font> </span></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:Wingdings"><span style="color:#000000">l </span></span></span><span style="font-size:10.5000pt"><span style="font-family:Calibri"><span style="color:#000000">SMT 42PIN </span></span></span></span></span></strong></p>

<p style="text-align:left">&nbsp;</p>

<p style="text-align:left"><strong><span style="font-size:16px;"><span style="font-family:Calibri"><span style="font-family:宋体"><span style="color:#000000"><font face="宋体">这个开发板的模组是采用安信可的</font>A6<font face="宋体">,大家应该对安信可有所了解吧,用过他们的</font><font face="Calibri">esp8266</font><font face="宋体">和</font><font face="Calibri">esp32</font><font face="宋体">模组感觉还是很好的。</font></span></span></span></span></strong></p>

<p style="text-align:left"><strong><span style="font-size:16px;"><span style="font-family:Calibri"><span style="font-family:宋体"><span style="color:#000000">A6<font face="宋体">模组和引脚说明和尺寸图:</font></span></span></span></span></strong></p>

<p style="text-align:justify"><strong></strong></p>

<p style="text-align:justify"><strong><span style="font-size:10.5pt"><span style="font-family:Calibri"><span style="font-size:10.5000pt"><span style="font-family:宋体"><font face="宋体">这个是这个模块的原理图:</font></span></span></span></span></strong></p>

<p style="text-align:justify"><strong></strong></p>

<p style="text-align:justify"><strong>下一篇将对它的具体功能作进一步了解</strong></p>

<p style="text-align:justify">&nbsp;</p>

<p>&nbsp;</p>

<p>&nbsp;</p>

<p>&nbsp;</p>

<p>&nbsp;</p>
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dcexpert 发表于 2019-9-29 21:44

<p>通过AT命令控制,还是比较方便的。</p>

xiyue521 发表于 2019-9-29 22:54

dcexpert 发表于 2019-9-29 21:44
通过AT命令控制,还是比较方便的。

<p>是的</p>
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