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--- wm_wiki:compass_sensor:manual [2019/05/11 14:35]
juneral [1. 模块介绍]
+++ wm_wiki:compass_sensor:manual [2020/05/12 15:29] (当前版本)
juneral [3.1. 模块功能及编程指南]
@@ 行 7: / 行 7: @@
 <html><body>
-<p class=MsoNormal><span style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:
+<p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size:
-Helvetica;color:#222222;background:white'><span
+.0pt;font-family:宋体;color:#222222;background:white'>电子指南针传感器是基于高精度三轴磁传感器芯片 </span><b><span
-style='mso-spacerun:yes'>&nbsp;</span><span
+style='font-size:16.0pt;font-family:宋体;color:#222222;background:white'><a
-style='mso-spacerun:yes'>&nbsp;&nbsp; </span><span
+href="http://www.qstcorp.com/productinfo/153108.html"
-style='mso-spacerun:yes'>&nbsp;&nbsp;</span><span lang=ZH-CN>电子指南针传感器是基于高精度<span
+title=点击查看QMC5883L芯片更详细信息><span style='text-decoration:none;text-underline:
-class=GramE>三轴磁传感器</span>芯片 </span><b style='mso-bidi-font-weight:normal'><a
+none'>QMC5883L</span></a></span></b><span lang=ZH-CN style='font-size:16.0pt;
-href="http://www.qstcorp.com/productinfo/153108.html" alt="点击查看QMC5883L芯片更详细信息"><span style='text-decoration:
+font-family:宋体;color:#222222;background:white'>，它采用第三代</span><span
-none;text-underline:none'>QMC5883L</span></a></b><span lang=ZH-CN>，它采用第三代</span>AMR<span
+style='font-size:16.0pt;font-family:宋体;color:#222222;background:white'>AMR<span
-lang=ZH-CN>磁传感技术，具有高精度、低功耗、高可靠性等特点，该芯片可应用于这些领域：</span><o:p></o:p></span></p>
+lang=ZH-CN>磁传感技术，具有高精度、低功耗、高可靠性等特点，该芯片可应用于这些领域：</span></span><span
+style='font-family:宋体'><o:p></o:p></span></p>
-<p class=MsoListParagraphCxSpFirst style='margin-left:78.0pt;mso-add-space:
+<p class=MsoListParagraph style='margin-left:78.0pt;text-indent:-.25in'><span
-auto;text-indent:-.25in;mso-list:l1 level1 lfo3'><![if !supportLists]><span
+style='font-size:16.0pt;font-family:宋体;color:#222222'>·<span lang=ZH-CN
-style='font-size:16.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
+style='background:white'>实现无人机等移动终端的高精度定位导航需求；</span></span><span
-mso-bidi-font-family:Symbol;color:#222222'><span style='mso-list:Ignore'>·<span
+style='font-family:宋体'><o:p></o:p></span></p>
-style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span
-lang=ZH-CN style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'>实现无人机等移动终端的高精度定位导航需求；</span><span
-style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'><o:p></o:p></span></p>
-<p class=MsoListParagraphCxSpMiddle style='margin-left:78.0pt;mso-add-space:
+<p class=MsoListParagraph style='margin-left:78.0pt;text-indent:-.25in'><span
-auto;text-indent:-.25in;mso-list:l1 level1 lfo3'><![if !supportLists]><span
+style='font-size:16.0pt;font-family:宋体;color:#222222'>·<span lang=ZH-CN
-style='font-size:16.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
+style='background:white'>实现无人停车场的高可靠性自动停车监测功能；</span></span><span
-mso-bidi-font-family:Symbol;color:#222222'><span style='mso-list:Ignore'>·<span
+style='font-family:宋体'><o:p></o:p></span></p>
-style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span
-lang=ZH-CN style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'>实现无人停车场的高可靠性自动停车监测功能；</span><span
-style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'><o:p></o:p></span></p>
-<p class=MsoListParagraphCxSpLast style='margin-left:78.0pt;mso-add-space:auto;
+<p class=MsoListParagraph style='margin-left:78.0pt;text-indent:-.25in'><span
-text-indent:-.25in;mso-list:l1 level1 lfo3'><![if !supportLists]><span
+style='font-size:16.0pt;font-family:宋体;color:#222222'>·<span lang=ZH-CN
-style='font-size:16.0pt;font-family:Symbol;mso-fareast-font-family:Symbol;
+style='background:white'>满足其他高精度工业控制和汽车电子要求；</span></span><span
-mso-bidi-font-family:Symbol;color:#222222'><span style='mso-list:Ignore'>·<span
+style='font-family:宋体'><o:p></o:p></span></p>
-style='font:7.0pt "Times New Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span></span></span><![endif]><span
-lang=ZH-CN style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'>满足其他高精度工业控制和汽车电子要求；</span><span
-style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
-color:#222222;background:white'><o:p></o:p></span></p>
-<p class=MsoNormal><span style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:
+<p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size:
-Helvetica;color:#222222;background:white'><span
+.0pt;font-family:宋体;color:#222222;background:white'>本模块可以检测周围的磁场强度，使运动的装置或设备转动到指定的方向，比如安装在小车上，可以控制小车转动到指定方向或沿着指定方向行走。</span><span
-style='mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span><span
+style='font-family:宋体'><o:p></o:p></span></p>
-style='mso-spacerun:yes'>&nbsp;&nbsp;</span><span lang=ZH-CN>本模块可以检测周围的磁场强度，使运动的装置或设备转动到指定的方向，比如安装在小车上，可以控制小车转动到指定方向或沿着指定方向行走</span></span><span
-lang=ZH-CN style='font-size:16.0pt;font-family:华文楷体;mso-bidi-font-family:微软雅黑;
-color:#222222;background:white'>。</span></span><span style='font-size:16.0pt;
-font-family:华文楷体'><o:p></o:p></span></p>
-</body></html>
+<p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size:
+.0pt;font-family:宋体;color:#222222;background:white'>三轴方向参考：</span><span
+style='font-family:宋体'><o:p></o:p></span></p>
+<p class=MsoNormal align=center style='text-align:center'><span
+style='mso-no-proof:yes'><img border=0 width=448 height=447 id="_x0000_i1026"
+src="https://www.weeemake.com.cn/wiki/lib/exe/fetch.php?media=wm_wiki:compass_sensor:pasted:20190511-154735.png"
+title="定向方向参考"></span></p>
+</body></html>
 ===== 2. 参数规格 =====
-^ 参数       ^  值/描述                        ^
+<html><body>
-^ 工作电压     |  5V DC                       |
+<div align=center>
-^ 分辨率      |  5 mil gauss                 |
-^ 磁场动态范围   |  ±1到±8 gauss                 |
+<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0
-^ 电子罗盘精度   |  可精确到1°到2°                   |
+ style='border-collapse:collapse;mso-yfti-tbllook:1184;mso-padding-alt:0in 0in 0in 0in'>
-^ 工作温度     |  -30到85℃                     |
+ <tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes'>
-^ 方向指示LED  |  8个                          |
+  <td width=172 valign=top style='width:129.0pt;border-top:solid #5B9BD5 3.0pt;
-^ 模块尺寸     |  55 x 24 x 18.5 mm  (长x宽x高)  |
+  border-left:solid #5B9BD5 3.0pt;border-bottom:solid white 2.25pt;border-right:
+  none;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>参数</span><span style='font-size:18.0pt;
+  font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:solid #5B9BD5 3.0pt;
+  border-left:none;border-bottom:solid white 2.25pt;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>值</span><span style='font-size:18.0pt;
+  font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:background1'>/<span
+  lang=ZH-CN>描述</span><o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:1'>
+  <td width=172 valign=top style='width:129.0pt;border-top:none;border-left:
+  solid #5B9BD5 3.0pt;border-bottom:solid white 1.0pt;border-right:solid white 1.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>工作电压</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:none;border-left:
+  none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>DC 5V<o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:2'>
+  <td width=172 valign=top style='width:129.0pt;border-top:none;border-left:
+  solid #5B9BD5 3.0pt;border-bottom:none;border-right:solid white 1.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>接口类型</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border:none;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>RJ11<o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:3'>
+  <td width=172 valign=top style='width:129.0pt;border:solid white 1.0pt;
+  border-left:solid #5B9BD5 3.0pt;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>通信方式</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:solid white 1.0pt;
+  border-left:none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>WM<span lang=ZH-CN>单总线</span><o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:4'>
+  <td width=172 valign=top style='width:129.0pt;border-top:none;border-left:
+  solid #5B9BD5 3.0pt;border-bottom:none;border-right:solid white 1.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>工作温度</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border:none;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>-40<span lang=ZH-CN>℃</span>~+85<span
+  lang=ZH-CN>℃</span><o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:5'>
+  <td width=172 valign=top style='width:129.0pt;border:solid white 1.0pt;
+  border-left:solid #5B9BD5 3.0pt;background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>定向精度</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:solid white 1.0pt;
+  border-left:none;border-bottom:solid white 1.0pt;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>1° ~ 2°<o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:6;mso-yfti-lastrow:yes'>
+  <td width=172 valign=top style='width:129.0pt;border-top:none;border-left:
+  solid #5B9BD5 3.0pt;border-bottom:solid #5B9BD5 3.0pt;border-right:solid white 1.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span lang=ZH-CN
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>尺寸大小</span><span style='font-size:
+.0pt;font-family:宋体;mso-bidi-font-family:Calibri;color:white;mso-themecolor:
+  background1'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:none;border-left:
+  none;border-bottom:solid #5B9BD5 3.0pt;border-right:solid #5B9BD5 3.0pt;
+  background:#5B9BD5;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='font-size:18.0pt;font-family:宋体;mso-bidi-font-family:Calibri;
+  color:white;mso-themecolor:background1'>55mm*24mm*18.5mm(<span lang=ZH-CN>长</span>*<span
+  lang=ZH-CN>宽</span>*<span lang=ZH-CN>高</span>)<o:p></o:p></span></p>
+  </td>
+ </tr>
+</table>
+</div>
+</body></html>
+===== 3. 编程指南 =====
+==== 3.1. 模块功能及编程指南 ====
+<html><body>
+<p class=MsoTitleCxSpLast><span style='font-size:18.0pt'>3</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>1</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>1</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>
+</span><span lang=ZH-CN style='font-size:18.0pt;font-family:宋体'>功能模块及</span><span
+style='font-size:18.0pt;font-family:宋体'>WeeeCode<span lang=ZH-CN>图形化编程指南</span></span></p>
+<p class=MsoNormal style='text-indent:21.0pt'><span style='font-size:16.0pt;
+font-family:华文楷体;color:#222222;background:white'>&nbsp;&nbsp;&nbsp; </span><span
+lang=ZH-CN style='font-size:16.0pt;font-family:宋体;color:#222222;background:
+white'>该模块支持的图形化编程平台有</span><span class=SpellE><span style='box-sizing: border-box;
+font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:
+start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+text-decoration-color: initial;word-spacing:0px'><span style='font-size:16.0pt;
+font-family:宋体;color:#222222;background:white'>WeeeCode</span></span></span><span
+lang=ZH-CN style='font-size:16.0pt;font-family:宋体;color:#222222;background:
+white'><span style='box-sizing: border-box;font-variant-ligatures: normal;
+font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;
+text-decoration-style: initial;text-decoration-color: initial;word-spacing:
+px'>、编程猫平台、</span></span><span class=SpellE><span style='box-sizing: border-box;
+font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:
+start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+text-decoration-color: initial;word-spacing:0px'><span style='font-size:16.0pt;
+font-family:宋体;color:#222222;background:white'>Mixly_Arduino</span></span></span><span
+lang=ZH-CN style='font-size:16.0pt;font-family:宋体;color:#222222;background:
+white'><span style='box-sizing: border-box;font-variant-ligatures: normal;
+font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;
+text-decoration-style: initial;text-decoration-color: initial;word-spacing:
+px'>、</span></span><span class=SpellE><span style='box-sizing: border-box;
+font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;text-align:
+start;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+text-decoration-color: initial;word-spacing:0px'><span style='font-size:16.0pt;
+font-family:宋体;color:#222222;background:white'>MakeCode</span></span></span><span
+lang=ZH-CN style='font-size:16.0pt;font-family:宋体;color:#222222;background:
+white'><span style='box-sizing: border-box;font-variant-ligatures: normal;
+font-variant-caps: normal;orphans: 2;text-align:start;widows: 2;-webkit-text-stroke-width: 0px;
+text-decoration-style: initial;text-decoration-color: initial;word-spacing:
+px'>等，其图形化编程大同小异，区别不会很大。</span></span><span style='font-family:宋体'><o:p></o:p></span></p>
+<div align=center>
+<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0
+ style='border-collapse:collapse;mso-yfti-tbllook:1184;mso-padding-alt:0in 0in 0in 0in'>
+ <tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes'>
+  <td width=257 valign=top style='width:192.65pt;border:solid windowtext 1.0pt;
+  padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><b><span
+  lang=ZH-CN style='font-size:14.0pt;font-family:华文楷体;color:windowtext;
+  background:white'>模块功能</span></b><span style='font-family:华文楷体;color:windowtext'><o:p></o:p></span></p>
+  </td>
+  <td width=223 valign=top style='width:166.95pt;border:solid windowtext 1.0pt;
+  border-left:none;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span class=GramE><b><span
+  lang=ZH-CN style='font-size:14.0pt;font-family:华文楷体;color:windowtext;
+  background:white'>需传参数</span></b></span><span style='font-family:华文楷体;
+  color:windowtext'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border:solid windowtext 1.0pt;
+  border-left:none;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><b><span
+  lang=ZH-CN style='font-size:14.0pt;font-family:华文楷体;color:windowtext;
+  background:white'>图形化编程块举例</span></b><b style='box-sizing: border-box;
+  font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;
+  widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+  text-decoration-color: initial;word-spacing:0px'><span style='box-sizing: border-box'><span
+  style='font-size:14.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
+  color:windowtext;background:white'>(</span></span></b><b style='box-sizing: border-box;
+  font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;
+  widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+  text-decoration-color: initial;word-spacing:0px'><span style='box-sizing: border-box'><span
+  lang=ZH-CN style='font-size:14.0pt;font-family:华文楷体;color:windowtext;
+  background:white'>其他平台图形化编程块大同小异</span></span></b><b style='box-sizing: border-box;
+  font-variant-ligatures: normal;font-variant-caps: normal;orphans: 2;
+  widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+  text-decoration-color: initial;word-spacing:0px'><span style='box-sizing: border-box'><span
+  style='font-size:14.0pt;font-family:华文楷体;mso-bidi-font-family:Helvetica;
+  color:windowtext;background:white'>)</span></span></b><span style='font-family:
+  华文楷体;color:windowtext'><o:p></o:p></span></p>
+  </td>
+ </tr>
+ <tr style='mso-yfti-irow:1;mso-yfti-lastrow:yes'>
+  <td width=257 style='width:192.65pt;border:solid windowtext 1.0pt;border-top:
+  none;padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal><span lang=ZH-CN style='font-size:14.0pt;font-family:华文楷体;
+  mso-bidi-font-family:Helvetica;color:windowtext;background:white'>获取<span
+  style='box-sizing: border-box;font-variant-ligatures: normal;font-variant-caps: normal;
+  orphans: 2;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+  text-decoration-color: initial;word-spacing:0px'>某个轴上的航向角度值</span></span><span
+  style='font-family:华文楷体;color:windowtext'><o:p></o:p></span></p>
+  </td>
+  <td width=223 style='width:166.95pt;border-top:none;border-left:none;
+  border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
+  padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal><span style='font-size:14.0pt;font-family:华文楷体;mso-bidi-font-family:
+  Helvetica;color:windowtext;background:white'>(2</span><span lang=ZH-CN
+  style='font-size:14.0pt;font-family:华文楷体;color:windowtext;background:white'><span
+  style='box-sizing: border-box;font-variant-ligatures: normal;font-variant-caps: normal;
+  orphans: 2;widows: 2;-webkit-text-stroke-width: 0px;text-decoration-style: initial;
+  text-decoration-color: initial;word-spacing:0px'>个参数）端口、轴选择</span></span><span
+  style='font-size:14.0pt;font-family:华文楷体;color:windowtext;background:white'><o:p></o:p></span></p>
+  </td>
+  <td width=462 valign=top style='width:346.5pt;border-top:none;border-left:
+  none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
+  padding:0in 5.4pt 0in 5.4pt'>
+  <p class=MsoNormal align=center style='text-align:center'><span
+  style='color:windowtext'><span style='mso-no-proof:yes'><img border=0
+  width=393 height=168 id="_x0000_i1025"
+  src="lib/exe/fetch.php?media=wm_wiki:compass_sensor:pasted:20190511-161322.png"
+  alt="lib/exe/fetch.php?media=wm_wiki:compass_sensor:pasted:20190511-161322.png"></span></span></p>
+  </td>
+ </tr>
+</table>
+</div>
+<p class=MsoNormal style='text-indent:21.0pt'><span style='font-size:16.0pt;
+font-family:华文楷体'>&nbsp;<o:p></o:p></span></p>
+<p class=MsoTitle><span style='font-size:18.0pt'>3</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>1</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>2</span><span
+style='font-size:18.0pt;font-family:等线'>.</span><span style='font-size:18.0pt'>
+</span><span lang=ZH-CN style='font-size:18.0pt;font-family:宋体'>文本代码编程指南</span><span
+style='font-size:18.0pt;font-family:宋体'><o:p></o:p></span></p>
+<p class=MsoNormal align=left style='margin-bottom:7.9pt;text-align:left;
+text-indent:.5in;background:white'><span lang=ZH-CN style='font-size:16.0pt;
+font-family:宋体;mso-bidi-font-family:Helvetica;color:#222222'>直接使用文本代码编程，就涉及到相关编程</span><span
+style='font-size:16.0pt;font-family:宋体;mso-bidi-font-family:Helvetica;
+color:#222222'>API:<o:p></o:p></span></p>
+<p class=MsoNormal align=left style='margin-bottom:7.9pt;text-align:left;
+text-indent:.5in;background:white'><span style='font-size:16.0pt;font-family:
+宋体;mso-bidi-font-family:Helvetica;color:#222222'>Arduino-C/C++ API<span
+lang=ZH-CN>：</span><b><a
+href="doku.php?id=wm_wiki:arduino_ide:api_document#%E7%94%B5%E5%AD%90%E6%8C%87%E5%8D%97%E9%92%88%E4%BC%A0%E6%84%9F%E5%99%A8api"><span
+lang=ZH-CN style='color:#008CBA;text-decoration:none;text-underline:none'>查看相关</span><span
+style='color:#008CBA;text-decoration:none;text-underline:none'>API</span></a></b><o:p></o:p></span></p>
+</body></html>
+==== 3.2. 编程示例 ====
+===== 4. 注意事项 =====
+<html><body>
+<p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size:
+.0pt;font-family:宋体;color:#222222;background:white'>（</span><span
+style='font-size:16.0pt;font-family:宋体;color:#222222;background:white'>1<span
+lang=ZH-CN>）由于磁传感器是感应地磁的，所以该模块使用时，周围不宜有强磁性的物体；</span><o:p></o:p></span></p>
+<p class=MsoNormal style='text-indent:.5in'><span lang=ZH-CN style='font-size:
+.0pt;font-family:宋体;color:#222222;background:white'>（</span><span
+style='font-size:16.0pt;font-family:宋体;color:#222222;background:white'>2<span
+lang=ZH-CN>）模块上的</span>8<span lang=ZH-CN>颗蓝色</span>LED<span lang=ZH-CN>灯环对应的是</span>X<span
+lang=ZH-CN>轴的变化，且亮灯指示的是南方。</span><o:p></o:p></span></p>
+</body></html>