<p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> 1、项目功能介绍</h3> <p></p><hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">功能一：电流表功能</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">功能二：开发板(用于学习了)</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">（没有link功能,得加钱去买哈哈）</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </h3> <p></p><hr class="horizontal-splitline normal-bold-2"><h3 class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">4、硬件部分</h3> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">开发板大家都应该画过，在这里我就不过多说了哈哈哈哈（没错 我就是想鸽 狗头.png）</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;">鸽是不可能鸽的，这辈子是不可能鸽的（请看下方评论区）狗头保命</p> <ul><li><strong>MCU模块介绍</strong></li> </ul><p style="text-align:left;">主控芯片是国民技术的</p> <p style="text-align:left;"> </p> <p><img style="margin-left:auto;margin-right:auto;" src="//image.lceda.cn/pullimage/wHUIKn2dc3HGHPZpMhwUt3FmxJVcjbORoYUvz7p4.png" alt="wHUIKn2dc3HGHPZpMhwUt3FmxJVcjbORoYUvz7p4.png"></p> <p style="text-align:left;">  <strong>时钟电路</strong></p> <p style="text-align:center;"><strong><img src="//image.lceda.cn/pullimage/xG0trwtBJVdIQq2kzo3eKAVmEIxNJgdP3i8r7mfJ.png" alt="xG0trwtBJVdIQq2kzo3eKAVmEIxNJgdP3i8r7mfJ.png"></strong></p> <p style="text-align:left;">采用<code>8</code><em><strong>Mhz</strong></em>和<code>32.768</code><strong><em>Mhz</em></strong><em> </em>，无源晶振电路</p> <p style="text-align:left;"><strong>复位电路</strong></p> <p style="text-align:center;"><strong><img src="//image.lceda.cn/pullimage/RFH9rzNH1gfvQ7NAOqNeKOXqc64e39P3c7O2Qw8X.png" alt="RFH9rzNH1gfvQ7NAOqNeKOXqc64e39P3c7O2Qw8X.png"></strong></p> <p style="text-align:center;"> </p> <p style="text-align:left;"><strong>BOOT选择</strong></p> <p style="text-align:center;"><strong><img src="//image.lceda.cn/pullimage/zfRtd1ih9pcE7hjBKaGvaVI1Z4BaFAi4RRr3b8sI.png" alt="zfRtd1ih9pcE7hjBKaGvaVI1Z4BaFAi4RRr3b8sI.png"></strong></p> <p> </p> <p> </p> <p> </p> <ul><li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;"><strong>电流表硬件模块介绍</strong></li> </ul><p style="text-align:center;">         <strong>电流采样</strong></p> <p style="text-align:center;"> </p> <p style="text-align:center;"> </p> <p><img style="margin-left:auto;margin-right:auto;" src="//image.lceda.cn/pullimage/e4jb9nP3GnJA53zgdiAtQbKVNaOBZM4hPrkSX4Aa.png" alt="e4jb9nP3GnJA53zgdiAtQbKVNaOBZM4hPrkSX4Aa.png" width="402" height="175"></p> <p> </p> <p> </p> <p>详情请移步  官方案列解释         <a href="/limengmeng12345/ji-chu-ying-usb-dian-ya-biao" target="_blank">【训练营官方案例】USB电流表 - 嘉立创EDA开源硬件平台 (oshwhub.com)</a></p> <p style="text-align:left;"><strong>电压采样</strong></p> <p style="text-align:center;"><img src="//image.lceda.cn/pullimage/IPPUmSu66LmvxBul8dy7FWXB0EfTtxpRivcF4Crb.png" alt="IPPUmSu66LmvxBul8dy7FWXB0EfTtxpRivcF4Crb.png" width="263" height="113"></p> <p> </p> <p>我就说一下ADC吧<em>，</em><span style="font-size:14px;"><strong><em>ADC</em><em>（analog</em> to digital converter）</strong>,是模拟量到数字量的过程，转换过程分为 采样、量化、编码。</span></p> <p><span style="font-size:14px;">工程中使用的是3.3v的电压，这里可进行简单的理解  。就是吧3.3V的电压分成很多份，每一份的电压都对应一个值（数字量）</span></p> <p><span style="font-size:14px;">这个过程是线性变化的。adc的应用非常广泛，对于学习单片机我认为是必学项</span></p> <p> </p> <p> </p> <p> </p> <ul><li><strong>开发板硬件模块介绍</strong></li> </ul><p style="text-align:center;">    <strong> LDO（线性稳压）</strong></p> <p>    <img style="margin-left:auto;margin-right:auto;" src="//image.lceda.cn/pullimage/cBh1VvjudtqSqc6tb3EiAree69LZA2RvXYymkpuX.png" alt="cBh1VvjudtqSqc6tb3EiAree69LZA2RvXYymkpuX.png"></p> <p> </p> <p>采用ASM1117稳压芯片，上图使其实用电路。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;text-align:left;"><strong>按键和LED模块</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" style="line-height:1.8;text-align:center;"><img src="//image.lceda.cn/pullimage/1BF3jC2G4K9QjhvU7Qol3Lm8WKPHygFXV174ptuw.png" alt="1BF3jC2G4K9QjhvU7Qol3Lm8WKPHygFXV174ptuw.png"></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;text-align:left;"><strong>外部搭载和 <em>IO </em>端口模块</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;text-align:center;"><strong><img src="//image.lceda.cn/pullimage/UeyhvB99X3ZHIgwl7G8SplpEwVa8aFyOfQh5Cc3n.png" alt="UeyhvB99X3ZHIgwl7G8SplpEwVa8aFyOfQh5Cc3n.png"></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">在学习的时候  每次连接模块都乱 且模块不固定（当让这样会增加成本），对于“爱整理”的我来说这很难受。于是增加了这个模块</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;text-align:left;"><strong>OLED接口和SWD下载</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><strong><img style="margin-left:auto;margin-right:auto;" src="//image.lceda.cn/pullimage/7eaKG6KUp68vXXYOPwhmm3xk0V9StYmpkmGuPv5i.png" alt="7eaKG6KUp68vXXYOPwhmm3xk0V9StYmpkmGuPv5i.png" width="152" height="107"></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><strong><img style="margin-left:auto;margin-right:auto;" src="//image.lceda.cn/pullimage/WXLL7EpKshgDt5QgCt5Q7Uc8HlBJ6IoTXaLNApbe.png" alt="WXLL7EpKshgDt5QgCt5Q7Uc8HlBJ6IoTXaLNApbe.png"></strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;">本人纯属小白，有错误的地方还请大佬指正。</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p><span style="font-size:14px;"><strong>电流表演示  请移步官方案例</strong><a href="/limengmeng12345/ji-chu-ying-usb-dian-ya-biao" target="_blank">【训练营官方案例】USB电流表 - 嘉立创EDA开源硬件平台 (oshwhub.com)</a></span></p> <hr class="horizontal-splitline normal-bold-2"><p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><strong>下方附上点灯视频</strong></p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"> </p>