#第九届立创电赛#温湿度检测仪-4203519D - 立创电子设计大赛

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#第九届立创电赛#温湿度检测仪-4203519D

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<p><div class="document"> <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;">功能：按下按钮，循环两遍显示温度和湿度。<br />供电：使用两节1.5V电池串联。<br />处理芯片：STMG030K6T6<br />传感器：盛思锐 SHT40-AD1B</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> <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;">首次公开。</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;">原创。</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;">未参与其他比赛。</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: #000000; font-size: 14px;">Public Domain</span></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;">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;"><strong>实现原理：</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;">主控电路由STM32G030K6T6及其外围引脚定义组成，L1、C2构成滤波电路，R1、C1构成复位电路。</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;"><strong><img src="//image.lceda.cn/oshwhub/9bddcdd16d554e8c8733419387e6a0c8.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;">传感器电路由SHT40-AD1B模块组成，R2、R3构成上拉电路。</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;"><strong><img src="//image.lceda.cn/oshwhub/61e128033f4144d2baa37bd2a00b55e8.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;">显示电路由三个移位寄存器和两个共阴极三位数码管组成。</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 src="//image.lceda.cn/oshwhub/9224778b8db440bd94d08c230e2b2758.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;"><strong><img src="//image.lceda.cn/oshwhub/60f5e75ccfcd465d9df76f0e4604a4ba.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;">调试下载采用SWD模式，可用ST-link下载器。SW1是唤醒按键，低电平唤醒单片机。LED1、LED2是测试灯，可以写个简单亮灯程序测试板子好坏。</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 src="//image.lceda.cn/oshwhub/87d87e26128f4cf68042b3528784aa74.png" /><img src="//image.lceda.cn/oshwhub/1c8c28d0cf314abc902c174198359bc2.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;">BAT1、BAT2是电池，采用两节1.5V电池串联供电。R6、R7构成电压检测电路（暂时没用这个功能）。Q1是N沟道增强型MOS管，起保护作用，电池反接MOS管不导通。</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/oshwhub/cb804fe01a1f441dad541e9eacba8e7f.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;"><strong>调试测试：</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;">贴片LED要区分正反，反接则试验不能亮灯，可在焊接前用万用表电阻档测试一下，红笔接正黑笔接负则LED点亮。</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;">盛思锐传感器模块要区分反向，模块引脚与PCB孔位对应如下。</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/oshwhub/c20e8dfdc5ed4674ab1cfc150135daaa.png" /><img src="//image.lceda.cn/oshwhub/dcfb437885a24ec3b7e7f63930b97ac1.jpg" alt="" width="334" height="430" /></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>注意事项：</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;">贴片元件对焊接技术要求较高，为提高一次焊接成功率，可以采用锡膏和加热台的焊接方式。</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;">编译环境的搭建和配置：</p> <p>STM32CubeMX：用来配置引脚和时钟，生成软件大体框架。使用STM32CubeMX软件的需要先注册账号才能安装和下载芯片资源包。</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;">源码编译方法：</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;">Keil：打开STM32CubeMX生成的MDK文件，确认芯片选择是否正确，编译main函数，无错误提示。</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;">程序烧录方法：</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: #000000;">ST-LinkV2：电源3.3V，地GND，SDIO和SCLK与板子接口一一对应。在Keil中配置魔术棒，Debug选择对应下载器（如ST-Link），确认芯片是否连接成功，勾选下载后自动复位。即可下载。</span></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" /> <table style="border-collapse: collapse; width: 645.77pt; height: 519.469px;" border="0" width="861" cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">No.</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">元件</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">参数</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">位号</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">封装</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">数量</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">厂商</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">供应商</td> </tr> <tr style="height: 39.1875px;"> <td class="et3" style="height: 39.1875px; width: 50.7188px;" width="34" height="36">1</td> <td class="et3" style="width: 102.156px; height: 39.1875px;" width="121">电池盒</td> <td class="et3" style="width: 137.031px; height: 39.1875px;" width="137">BH-AA-A1AJ020</td> <td class="et3" style="width: 106.359px; height: 39.1875px;" width="106">BAT1,BAT2</td> <td class="et3" style="width: 212.281px; height: 39.1875px;" width="215">BAT-TH_L56.3-W16.8-P51.55_BH-AA-A1AJ020</td> <td class="et3" style="width: 41.5625px; height: 39.1875px;" width="42">2</td> <td class="et3" style="width: 146.406px; height: 39.1875px;" width="147">MYOUNG(美阳)</td> <td class="et3" style="width: 55.5px; height: 39.1875px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">2</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电容</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">100nF</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">C1,C2,C9</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">C0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">3</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">YAGEO(国巨)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">3</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电容</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">18pF</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">C3,C4</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">C0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">2</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">FH(风华)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">4</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电容</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">1uF</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">C5,C6,C7,C10</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">C0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">4</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">SAMSUNG(三星)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">5</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">单排针</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">PZ254V-11-04P</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">H1</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">HDR-TH_4P-P2.54-V-M</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">XFCN(兴飞)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 39.1875px;"> <td class="et3" style="height: 39.1875px; width: 50.7188px;" width="34" height="36">6</td> <td class="et3" style="width: 102.156px; height: 39.1875px;" width="121">贴片电感</td> <td class="et3" style="width: 137.031px; height: 39.1875px;" width="137">PBBMAQ2012G-121T08</td> <td class="et3" style="width: 106.359px; height: 39.1875px;" width="106">L1</td> <td class="et3" style="width: 212.281px; height: 39.1875px;" width="215">L0805</td> <td class="et3" style="width: 41.5625px; height: 39.1875px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 39.1875px;" width="147">PROD(谱罗德)</td> <td class="et3" style="width: 55.5px; height: 39.1875px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">7</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片LED</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">XL-2012UGC</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">LED1,LED2</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">LED0805-RD_GREEN</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">2</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">XINGLIGHT(成兴光)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">8</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">数码管</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">SP420361N</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">LED3,LED4</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">LED-SEG-TH_SP420361N</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">2</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">ARKLED(方舟)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 39.1875px;"> <td class="et3" style="height: 39.1875px; width: 50.7188px;" width="34" height="36">9</td> <td class="et3" style="width: 102.156px; height: 39.1875px;" width="121">贴片MOS管</td> <td class="et3" style="width: 137.031px; height: 39.1875px;" width="137">WST3401</td> <td class="et3" style="width: 106.359px; height: 39.1875px;" width="106">Q1</td> <td class="et3" style="width: 212.281px; height: 39.1875px;" width="215">SOT-23-3_L2.9-W1.6-P1.90-LS2.8-BR</td> <td class="et3" style="width: 41.5625px; height: 39.1875px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 39.1875px;" width="147">WINSOK(微硕)</td> <td class="et3" style="width: 55.5px; height: 39.1875px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">10</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电阻</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">10kΩ</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">R1</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">R0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">UNI-ROYAL(厚声)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">11</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电阻</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">4.7kΩ</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">R2,R3,R4,R5</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">R0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">4</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">UNI-ROYAL(厚声)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">12</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片电阻</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">10kΩ</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">R6,R7</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">R0805</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">2</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">YAGEO(国巨)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> <tr style="height: 39.1875px;"> <td class="et3" style="height: 39.1875px; width: 50.7188px;" width="34" height="36">13</td> <td class="et3" style="width: 102.156px; height: 39.1875px;" width="121">微控制器MCU</td> <td class="et3" style="width: 137.031px; height: 39.1875px;" width="137">STM32G030K6T6</td> <td class="et3" style="width: 106.359px; height: 39.1875px;" width="106">U1</td> <td class="et3" style="width: 212.281px; height: 39.1875px;" width="215">LQFP-32_L7.0-W7.0-P0.80-LS9.0-BL</td> <td class="et3" style="width: 41.5625px; height: 39.1875px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 39.1875px;" width="147">ST(意法半导体)</td> <td class="et3" style="width: 55.5px; height: 39.1875px;" width="56">LCSC</td> </tr> <tr style="height: 54px;"> <td class="et3" style="height: 54px; width: 50.7188px;" width="34" height="54">14</td> <td class="et3" style="width: 102.156px; height: 54px;" width="121">温湿度传感器模块</td> <td class="et3" style="width: 137.031px; height: 54px;" width="137">SHT40-AD1B with pin</td> <td class="et3" style="width: 106.359px; height: 54px;" width="106">U2</td> <td class="et3" style="width: 212.281px; height: 54px;" width="215">SHT40-AD1B with pin</td> <td class="et3" style="width: 41.5625px; height: 54px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 54px;" width="147">Sensirion瑞士盛思锐</td> <td class="et3" style="width: 55.5px; height: 54px;" width="56">LCSC</td> </tr> <tr style="height: 39.1875px;"> <td class="et3" style="height: 39.1875px; width: 50.7188px;" width="34" height="36">15</td> <td class="et3" style="width: 102.156px; height: 39.1875px;" width="121">移位寄存器</td> <td class="et3" style="width: 137.031px; height: 39.1875px;" width="137">SN74HC595PWR</td> <td class="et3" style="width: 106.359px; height: 39.1875px;" width="106">U3,U4,U5</td> <td class="et3" style="width: 212.281px; height: 39.1875px;" width="215">TSSOP-16_L5.0-W4.4-P0.65-LS6.4-BL</td> <td class="et3" style="width: 41.5625px; height: 39.1875px;" width="42">3</td> <td class="et3" style="width: 146.406px; height: 39.1875px;" width="147">TI(德州仪器)</td> <td class="et3" style="width: 55.5px; height: 39.1875px;" width="56">LCSC</td> </tr> <tr style="height: 54px;"> <td class="et3" style="height: 54px; width: 50.7188px;" width="34" height="54">16</td> <td class="et3" style="width: 102.156px; height: 54px;" width="121">按键</td> <td class="et3" style="width: 137.031px; height: 54px;" width="137">TS-1010-C-A</td> <td class="et3" style="width: 106.359px; height: 54px;" width="106">WAKE</td> <td class="et3" style="width: 212.281px; height: 54px;" width="215">KEY-SMD_TX-1010-X-X</td> <td class="et3" style="width: 41.5625px; height: 54px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 54px;" width="147">XKB Connectivity(中国星坤)</td> <td class="et3" style="width: 55.5px; height: 54px;" width="56">LCSC</td> </tr> <tr style="height: 19.5938px;"> <td class="et3" style="height: 19.5938px; width: 50.7188px;" width="34" height="18">17</td> <td class="et3" style="width: 102.156px; height: 19.5938px;" width="121">贴片晶振</td> <td class="et3" style="width: 137.031px; height: 19.5938px;" width="137">32.768kHz</td> <td class="et3" style="width: 106.359px; height: 19.5938px;" width="106">X1</td> <td class="et3" style="width: 212.281px; height: 19.5938px;" width="215">CRYSTAL-SMD_L3.2-W1.5-1</td> <td class="et3" style="width: 41.5625px; height: 19.5938px;" width="42">1</td> <td class="et3" style="width: 146.406px; height: 19.5938px;" width="147">YXC(扬兴晶振)</td> <td class="et3" style="width: 55.5px; height: 19.5938px;" width="56">LCSC</td> </tr> </tbody> </table> <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/oshwhub/df0fc6ad8d444d29b09c1f9c168d9608.jpg" alt="" width="1866" height="1189" /></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 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: 14px;"><a href="/posts/de460543d4cf4dacb5f0326612455578" target="_blank" rel="noreferrer noopener">前往查看更多详情＞</a></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> </div></p>