描述
<div class="document">
<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>
<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;">采用国民技术MCU N32G430实现的电流表，支持电压、电流、功率、纹波及电流波动图形显示。</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;">学习Keil5编写单片机不久，很多不太明白，通过几次参加立创训练营，真的觉得能学到很多东西，比独立学习能更快，这是为什么呢？我觉得可能有以下几个方面的原因：</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;">1、有厂商的专业人员指导，能够快速的入门学习，并且能提供有效的技术支持；</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;">2、有立创的各位有经验大佬帮助，有问题能够获取帮助，并且还有立创提供的元器件优惠卷、PCB打样卷，能减轻开发成本，少了后顾之忧；</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;">3、有群里千号人员的相互帮助，就算大部分有不会，便总会有一些大佬或正好明白某块的学员能够帮助、能够解答，真的能提高学习的效率。</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;">所以训练营的模式真的非常好，我现在制作的这个目前主要目标是实现以下功能：</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;">1、电压、电流显示、功率显示，这个比较简单，<strong><span style="color:#169179;">已经实现</span></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;">2、电压纹波显示，<span style="text-decoration:line-through;">目前也实现了</span><span style="color:#ba372a;"><span style="text-decoration:line-through;">基本功能</span>，<span style="color:#169179;"><strong>已实现</strong></span></span>；</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;">3、充电协议分析，暂时想通过D+D-进行协议判断，但实测好像非常不准确，不知道充电协议具体应该怎么分析，<span style="color:#e67e23;">有待完善</span>；</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;">4、电流波动图，<span style="text-decoration:line-through;">正在</span><span style="color:#236fa1;"><span style="text-decoration:line-through;">完善过程中</span>，<strong><span style="color:#169179;">已实现</span></strong></span>；</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;">5、功耗统计，这个功能虽然简单，但目前对这个单片机不太熟悉，得到的每次时间有些误差，所以<span style="color:#236fa1;">还在优化</span>；</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;">6、快充诱骗，想法是通过D+D-实现，但后面发现N32G430没有DAC功能，所以目前是放弃了。</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;"> </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;"><span style="font-size:24px;color:#e03e2d;">想要的功能大部分都已实现，程序代码也放在了附件，需要自取了。</span></p>
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<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><span style="font-size:18px;color:#236fa1;">功能简单说明下：</span></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><span style="font-size:18px;color:#236fa1;">1、Boot/SEL按键切换不同功能页，第一页是电压电流显示，第二页是电压纹波，第三页是电流波动情况；</span></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><span style="font-size:18px;color:#236fa1;">2、BTN1/+、BTN2/-在第二页和第三页调整显示的范围，放大或缩小波形图。</span></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><span style="font-size:18px;color:#236fa1;">不明白的可以相互讨论，感谢大家的关注！</span></strong></p>
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<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;">成品图也放出来看下吧，还是比较小的，同时加了TYPE-C口，这样也比较方便。</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;">打回来的PCB，改过一版了，因为第一版发现OLED焊接屏排线留的孔放不进去^-^</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;"><img src="//image.lceda.cn/pullimage/A0tZREUofjkoySQYOTeke1CjrpedpbrLq6epYxhU.jpeg" alt="" width="1024" height="768"></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;">焊好的样式，本来想拍一个工作的图片，发现屏幕闪动比较厉害，拍出来的显示内容不全，干脆后面录视频时再放上来了。</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;"><img src="//image.lceda.cn/pullimage/cc9uzFySMfC99s1ZnsU5XPoODcMvWiUw9NASvivH.jpeg" alt="" width="1024" height="768"></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;"><img src="//image.lceda.cn/pullimage/4P85wSjLRfLkRNXSxODAPVGHyqLmRf2oJIGE67Br.jpeg" alt="" width="1024" height="768"></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;">三个按键，可以方便实现一些切换、调参等。</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;"><img src="//image.lceda.cn/pullimage/7CapGVooJyhroq8EimZ9iIQzY7Uv5KEJBdlHYql2.jpeg" alt="" width="1024" height="768"></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;"><img src="//image.lceda.cn/pullimage/YWeVQg8fTSMIUoastzAW1D0E8Im9a5hXC9XTDKkl.jpeg" alt="" width="1024" height="768"></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;"><img src="//image.lceda.cn/pullimage/3QQkserMaztSWson1woQOTPitKekZHNztPO1dF8K.jpeg" alt="" width="1024" height="768"></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;"><img src="//image.lceda.cn/pullimage/f8IOWXD6MWZLi6R5IYHFn0MoV0bfnGvxnZpKqeBf.jpeg" alt="" width="1024" height="768"></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;"><img src="//image.lceda.cn/pullimage/PWB1ebZwHgrAbcdRhvwrCh0SBslOIV8JN7OXCVLS.jpeg" alt="" width="1024" height="768"></p>
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<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;">第一屏：电压测量界面</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;"><img src="//image.lceda.cn/pullimage/en1c71jc70fwhoI3XcSMihqO1TZxqmIckY9igCCq.jpeg" alt="" width="1024" height="768"></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;">第二屏：电压纹波界面</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;"><img src="//image.lceda.cn/pullimage/YZoH5znzglczynxkrfSOk7bMCl1IYHc1ZfNcLa73.jpeg" alt="" width="1024" height="768"></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;">第三屏：电流波动界面</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;"><img src="//image.lceda.cn/pullimage/fX1Lzyv57Cm7WxbS4ErBBaQuU6kqCQH9gLKm3oAY.jpeg" alt="" width="1024" height="768"></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;">*2、项目属性</h3>
<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;">参考训练营项目，参考项目链接： <a href="/limengmeng12345/ji-chu-ying-usb-dian-ya-biao#P1" target="_blank">https://oshwhub.com/limengmeng12345/ji-chu-ying-usb-dian-ya-biao#P1</a></p>
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<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;">* 3、开源协议</h3>
<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;"><span style="color:#95a5a6;font-size:14px;">GPL 3.0</span></p>
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<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>
<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;"><span style="font-size:24px;">（1）供电部分</span></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;"><span style="color:#95a5a6;"><img src="//image.lceda.cn/pullimage/IU6rUMiKT5yVg8WtxVan4PeIW6mhjIOveg2Pe2vm.png" alt="" width="690" height="448"></span></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;">这里选的是使用LDO实现供电，为了兼容快充，选的是GM7333，这款LDO支持的输入电压达到了 40V，并且支持250mA的电流输出能力，完全满足了国民这款MCU的供电需求，并且外围电路简单，比使用降压电路更方便，体积也更小巧。</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;"><span style="font-size:24px;">（2）主控电路</span></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;"><img src="//image.lceda.cn/pullimage/K6L1dXog5jVHXvH3YiAHVevL7By7e5449jhVpMeV.png" alt="" width="712" height="611"></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;">主要使用了四路ADC，用于采样电压、电流和D+、D-的电压，使用BOOT0和PB0、PB1三个IO口用于按键，RST也引出，方便调试时使用。</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;">然后就是串口和SWD烧录口，PB6 PB7做为LED，方便程序观察状态，毕竟是新手，多留个状态灯也好判断系统有没有正常运行，后面也可以做为功能灯使用。</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;"><span style="font-size:24px;">（3）电流采样</span></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;"><img src="//image.lceda.cn/pullimage/Mf1ixbq6p61M3lgyNTM5gWuwe4EafszaJadAU6cp.png" alt="" width="296" height="183"></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;"> 电流采样使用的是INA199A1做差分放大，其实也可以使用运算放大器，但最好是精密运放，但差分电阻精度要高，不然不同硬件误差比较大，比较麻烦，并且元件较多，成本上不存在优势，所以还是使用专门的电流放大的比较方便。</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;"> 这里要注意的是型号后面这个A1，A 是指精度 为1.5%(A B精度都是1.5%，C是1%，具体可以看手册)，1 是指放大倍率为 50倍，2 为100倍，3为200倍，<span style="font-size:16px;color:#236fa1;">即A1就是指放大50倍，精度为1.5%</span>。选型主要是与采样电阻及MCU的采样电压相关，详细不讲了，如果想要了解可以相互讨论。</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;"><span style="font-size:24px;">（4）电压采样</span></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;"><img src="//image.lceda.cn/pullimage/yOSwgP3Csvk91gkKPBp1Zi29GzEuxWFcC8qJ5dUh.png" alt="" width="268" height="215"></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;">这个其实没什么好讲的吧，就是对电压进行分压，然后采样就可以了。这里的电压是使用 1:10采样，就是最后算出来的值 乘以10就是实际电压了，D+ D-是1:3，结果乘以3就可以了，分压计算通过 <span style="font-size:18px;">V</span><span style="font-size:12px;">adc</span>=<span style="font-size:18px;">V</span><span style="font-size:12px;">IN</span>*<span style="font-size:18px;">R2/(R1+R2)，<span style="font-size:14px;">R2是低侧电阻，就是连GND的哪个。<span style="color:#e03e2d;font-size:18px;">注意：分压后最大电压不能超过供电电压(这里是3.3V)即可，不然始终是3.3V，就不能得到真实值了。</span></span></span></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;"><span style="font-size:24px;">（5）OLED驱动电路</span></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;"><img src="//image.lceda.cn/pullimage/3kt6dosM7eLnQOndp6L3KjXAE7I15W44ErPsGGaE.png" alt="" width="758" height="467"></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;">我这里使用是30P焊接OLED屏，支持SSD1306和SH1106，我自己使用的是SH1106白光的0.96屏，这个屏某鱼上比较便宜，才4-5元一个，可以考虑多买一些放着，使用方便。当然也预留了OLED外接接口。</p>
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<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 pap-left-indent-1.6em" 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;">*5、软件部分</h3>
<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;">就拿DMA实现4路ADC采样来说下吧，这个也是官方示例有一部分，然后遇到一个问题就是不知道应该实现是ADC中断后去处理数据还是要DMA处理完数据后去处理数据，在群里问，居然说去找个电路去学习下。没办法后面跑去找国民哪边的技术问，因为是初学，什么都不明白，不过实际操作一次后就能明白具体是什么作用，应该在哪处理。</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;"><img src="//image.lceda.cn/pullimage/zOwXiZ3GBKXlN4zXg1gFRHiDSl2JLrDZrZXeyVLJ.png" alt="" width="767" height="205"></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;"><img src="//image.lceda.cn/pullimage/PlJnjsBmpTZNJZwIzmKPm2dDWzxlQ49Zx3boZFj4.png" alt="" width="802" height="489"></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;"><img src="//image.lceda.cn/pullimage/neWPwctEDf3p76Yfy05HnlFjt5bFj4Nwvu6UOy4U.png" alt="" width="673" height="562"></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;">其他等完善开源后自己看吧，注释会比较详细，主要也是方便自己做笔记，不然时间长了也忘了。</p>
<p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-left-indent-1.6em" 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;">*6、BOM清单</h3>
<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;"> </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;">*7、大赛LOGO验证</h3>
<hr class="horizontal-splitline normal-bold-2"><p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/RF5ESbggs3Ml0VVD1U29GjCpz6JqmgrkdCQ4pyrF.jpeg" alt="" width="1024" height="768"></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;">* 8、演示您的项目并录制成视频上传</h3>
<hr class="horizontal-splitline normal-bold-2"><p 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>
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