<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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">1、项目功能介绍</span></h3> <hr class="horizontal-splitline normal-bold-2" /><span style="color: #000000; font-size: 12pt; font-family: helvetica, arial, sans-serif;">&nbsp; 该项目为<span style="background-color: #ffffff; text-wrap: nowrap;"><strong>&ldquo;盛思锐传感器&rdquo;第九届立创电子设计开源大赛</strong>的<strong><span style="color: #000000;">参赛DIY项目</span></strong>，制作了一个温湿度检测仪。</span></span><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; </span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; 硬件部分参考开源项目<a href="<a href="https://github.com/peng-zhihui/HoloCubic" target="_blank">https://github.com/peng-zhihui/HoloCubic</a>" target="_blank" rel="noopener"><strong>Holocubic</strong></a>：</span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; &nbsp; &nbsp; &nbsp; 1.将MPU650更改为拨轮，用拨轮控制各app之间的切换；</span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; &nbsp; &nbsp; &nbsp; 2.添加了I2C接口和多余IO口，用于扩展其他应用；</span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; &nbsp; &nbsp; &nbsp; 3.添加了TP5400作为充放电管理；</span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; 软件部分参考<a href="<a href="https://github.com/ClimbSnail/HoloCubic_AIO" target="_blank">https://github.com/ClimbSnail/HoloCubic_AIO</a>" target="_blank" rel="noopener"><strong>Holocubic_AIO</strong></a></span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; &nbsp; &nbsp; &nbsp; </span><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">1.更改状态动作的获取函数，实现拨轮控制app；</span></div> <div class="document"><span style="background-color: #ffffff; color: #000000; font-family: helvetica, arial, sans-serif; font-size: 12pt; text-wrap: nowrap;">&nbsp; &nbsp; &nbsp; &nbsp; 2.添加显示温湿度数据的app程序；</span></div> <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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">2、项目属性</span></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: 14pt; font-family: helvetica, arial, sans-serif;">&nbsp; <span style="font-size: 12pt;">首次公开；</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;"><span style="color: #000000; font-size: 14pt; font-family: helvetica, arial, sans-serif;"><span style="font-size: 12pt;">原创；</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;"><span style="color: #000000; font-size: 14pt; font-family: helvetica, arial, sans-serif;"><span style="font-size: 12pt;">未参加其他项目</span></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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">3、开源协议</span></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: 14pt; font-family: helvetica, arial, sans-serif;">&nbsp; <span style="font-size: 12pt;">Public Domain</span></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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">4、硬件部分</span></h3> <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;"><span style="font-family: helvetica, arial, sans-serif;">1.esp32电路</span></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; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/BVUnXRwttnZl2491mYm4y0z4Y1eGFFBpjMcTt6KG.png" alt="" /></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; text-align: center;"><strong><span style="font-family: helvetica, arial, sans-serif;">图1 esp32最小电路</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;"><span style="font-family: helvetica, arial, sans-serif;">esp电路主要有三部分，</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="font-family: helvetica, arial, sans-serif;">&nbsp; 第一是<strong>供电</strong>，由lp2992LP2992IM5-3.3/NOPB，给esp32提供3.3V电压，在之后的焊接或者维修过程中，可通过R14 0&Omega;电阻进行检测；</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="font-family: helvetica, arial, sans-serif;">&nbsp; 第二是<strong>复位电路</strong>，主要参考 <a href="<a href="https://www.espressif.com.cn/sites/default/files/documentation/esp32-pico-d4_datasheet_cn.pdf" target="_blank">https://www.espressif.com.cn/sites/default/files/documentation/esp32-pico-d4_datasheet_cn.pdf</a>" target="_blank" rel="noopener">ESP32PICOD4 模组外围设计原理图</a>，为确保芯片上电时的供电正常，EN 管脚处需要增加 RC 延迟电路。在手册里，RC 通常建议为 R = 10 k&Omega;，C = 1 &mu;F，但具体数值仍需根据模组电源的上电时序和芯片的上电复位时序进行调整；</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="font-family: helvetica, arial, sans-serif;">&nbsp; 第三是<strong>下载电路</strong>，由CP2102-GMR-YJLTY与上位机进行通讯下载操作，CP2102自动下载电路在后续分析。</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;"><strong><span style="font-family: helvetica, arial, sans-serif;">2.供电部分</span></strong></p> <table style="border-collapse: collapse; width: 99.9799%; height: 233.53px;"> <tbody> <tr style="height: 214.97px;"> <td style="width: 25.005%; height: 214.97px; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/lhXPVDVzJTwXE13LMvoJS7COaHEQpcteSn9iGvIz.png" alt="" /></span></td> <td style="width: 25.005%; height: 214.97px; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/tnMaKcEiwIU9PbXWyEDvB4Mav3Z4HM0MNrLa0whz.png" alt="" /></span></td> <td style="width: 25.005%; height: 214.97px; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/5w8I5utS2Qgy7tN06Jy5SNK1hFKykYEaeoj02t1X.png" alt="" /></span></td> <td style="width: 25.005%; height: 214.97px; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/oSliOfqedvAxLOi7GxCkIVdceSi9iW4VrE6RO6xP.png" alt="" /></span></td> </tr> <tr style="height: 18.56px;"> <td style="width: 25.005%; height: 18.56px; text-align: center;"><strong><span style="font-family: helvetica, arial, sans-serif;">图2-1 USB供电</span></strong></td> <td style="width: 25.005%; height: 18.56px; text-align: center;"><strong><span style="font-family: helvetica, arial, sans-serif;">图2-2 锂电池充放电</span></strong></td> <td style="width: 25.005%; height: 18.56px; text-align: center;"><strong><span style="font-family: helvetica, arial, sans-serif;">图2-3 5V供电切换</span></strong></td> <td style="width: 25.005%; height: 18.56px; text-align: center;"><strong><span style="font-family: helvetica, arial, sans-serif;">图2-4 LDO降压3.3V</span></strong></td> </tr> </tbody> </table> <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><span style="font-family: helvetica, arial, sans-serif;">图2 模块供电电路</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;"><span style="font-family: helvetica, arial, sans-serif;">&nbsp; 该项目供电部分，电源输入功率主要由USB和锂电池提供，</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="font-family: helvetica, arial, sans-serif;"><span style="font-family: Helvetica, Arial, sans-serif;">&nbsp;<strong> 图2-2</strong>为锂电池充放电管理电路，</span><a href="<a href="https://item.szlcsc.com/3118214.html" target="_blank">https://item.szlcsc.com/3118214.html</a>" target="_blank" rel="noopener">TP5400芯片</a>具有极低的空载功耗（小于 10uA），且升压输出驱动电流能力能达到 1A。对锂电池进行充放电管理，可通过更改R3的阻值进行充电电流的设定，对应参考表如下：</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; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;">表1&nbsp; R3和充电电流的关系</span></p> <table style="border-collapse: collapse; width: 100%; height: 112.55px; margin-left: auto; margin-right: auto;" width="50%"> <tbody> <tr style="height: 21.35px; text-align: center;"> <td style="height: 21.35px; width: 50.4046%; text-align: center;" width="166" height="20"><strong><span style="font-family: helvetica, arial, sans-serif;">R₃（&Omega;）</span></strong></td> <td style="width: 49.5953%; text-align: center; height: 21.35px;" width="64"><strong><span style="font-family: helvetica, arial, sans-serif;">I_BAT</span></strong></td> </tr> <tr style="height: 19.2px; text-align: center;"> <td style="height: 19.2px; width: 50.4046%;" height="19"><span style="font-family: helvetica, arial, sans-serif;">10k</span></td> <td style="height: 19.2px; width: 49.5953%;"><span style="font-family: helvetica, arial, sans-serif;">130mA</span></td> </tr> <tr style="height: 19.2px; text-align: center;"> <td style="height: 19.2px; width: 50.4046%;" height="19"><span style="font-family: helvetica, arial, sans-serif;">5k</span></td> <td style="height: 19.2px; width: 49.5953%;"><span style="font-family: helvetica, arial, sans-serif;">245mA</span></td> </tr> <tr style="height: 19.2px; text-align: center;"> <td style="height: 19.2px; width: 50.4046%;" height="19"><span style="font-family: helvetica, arial, sans-serif;">2k</span></td> <td style="height: 19.2px; width: 49.5953%;"><span style="font-family: helvetica, arial, sans-serif;">560mA</span></td> </tr> <tr style="height: 16.8px; text-align: center;"> <td style="height: 16.8px; width: 50.4046%;" height="19"><span style="font-family: helvetica, arial, sans-serif;">1.5k</span></td> <td style="height: 16.8px; width: 49.5953%;"><span style="font-family: helvetica, arial, sans-serif;">740mA</span></td> </tr> <tr style="height: 16.8px; text-align: center;"> <td style="height: 16.8px; width: 50.4046%;" height="19"><span style="font-family: helvetica, arial, sans-serif;">1.1k</span></td> <td style="height: 16.8px; width: 49.5953%;"><span style="font-family: helvetica, arial, sans-serif;">1000mA</span></td> </tr> </tbody> </table> <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;">&nbsp; <strong>图2-3</strong>为5V供电切换电路，用PMOS和整流二极管制作一个USB和锂电池供电切换电路，若接入USB，直接用USB供电，未接入时候用锂电池进行电路供电，并可用开关SW1进行控制5V电压通断。</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>&nbsp; 图2-4</strong>为LDO降压电路，主要为之后的esp32供电。使用<a href="<a href="https://item.szlcsc.com/140639.html" target="_blank">https://item.szlcsc.com/140639.html</a>" target="_blank" rel="noopener">LP2992</a>超低压降稳压器给esp供电，说明书中有PCB LAYOUT电路，可参考进行PCB排版。</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>3.下载电路</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;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/rXRW73IRfzonffRwHbK6LxvLBLwe7GAcvpuEOmyV.png" alt="" /></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>图3 CP2102自动下载电路</strong></p> <p>&nbsp; 下载模式：芯⽚启动时，若 IO0 为低电平，芯⽚会进⼊下载模式；</p> <p>&nbsp; 运⾏模式：芯⽚启动时，若 IO0 为⾼电平，芯⽚会进⼊运⾏模式；</p> <p>&nbsp; <strong>置 DTR = 1，RTS = 0，此时 Q1 导通，Q2 截止，EN = RTS = 0，IO0 = 1</strong>，芯片掉电复位；在复位过程中，有esp32有RC复位延迟电路，因此EN有延迟降压和升压</p> <p>&nbsp; <strong>置 DTR = 0，RTS = 1，此时 Q1 截止，Q2 导通，EN = 1，IO0 = 0</strong>，芯片重新上电，由于 IO0 为低电平，芯片进入下载模式；</p> <p>&nbsp;<strong> 置 DTR = 1，RTS = 1，此时 Q1 导通，Q2 导通，EN = 1，IO0 = 1</strong>，确保下载完成后再复位芯片正常运行</p> </div> <div class="document">&nbsp;</div> <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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">5、软件部分</span></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><span style="color: #000000; font-size: 12pt; font-family: helvetica, arial, sans-serif;">&nbsp; 编译环境：VsCode+PlatformIO</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="color: #000000; font-size: 12pt; font-family: helvetica, arial, sans-serif;">&nbsp; 代码：<a href="<a href="https://gitee.com/zhou-cl/climate-monitor" target="_blank">https://gitee.com/zhou-cl/climate-monitor</a>" target="_blank" rel="noopener">climate-monitor</a></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;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/NFtNiUmM1WynZo6v6BB5uIB7KixoDhQkKUP64aXq.png" alt="" width="697" height="300" /></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>图4&nbsp; 界面显示</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: justify;">&nbsp; &nbsp; &nbsp; &nbsp; <strong>src_1</strong>&mdash;&mdash;显示时间和温湿度数据，可进行网络校时，以及对SHT40数据采集的显示。网络校时为15min自动校准，温湿度数据采集为2s一次。</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: justify;">&nbsp; &nbsp; &nbsp; &nbsp; <strong>src_2</strong>&mdash;&mdash;温湿度数据表显示界面，每两秒采集一次温湿度数据进行显示；</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; text-align: justify;">&nbsp; &nbsp; &nbsp; &nbsp; <strong>src_3</strong>&mdash;&mdash;日历显示</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; text-align: justify;">&nbsp; 拨轮的状态适配拨轮的状态如下表</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>表2&nbsp; 拨轮状态对应操作说明</strong></p> <table style="border-collapse: collapse; width: 198pt; height: 153.546px; margin-left: auto; margin-right: auto;" width="264"> <tbody> <tr style="height: 19.1932px; text-align: center;"> <td class="xl66" style="height: 19.1932px; width: 63pt;" width="84" height="19"><strong>拨轮状态</strong></td> <td class="xl66" style="width: 87pt; height: 19.1932px;" width="116"><strong>对应操作</strong></td> <td class="xl66" style="width: 48pt; height: 19.1932px;" width="64"><strong>状态值</strong></td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">RIGHT</td> <td class="xl65" style="height: 19.1932px; text-align: center;">上拨</td> <td class="xl65" style="height: 19.1932px; text-align: center;">0</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">LEFT</td> <td class="xl65" style="height: 19.1932px; text-align: center;">下拨</td> <td class="xl65" style="height: 19.1932px; text-align: center;">0</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">UP</td> <td class="xl65" style="height: 19.1932px; text-align: center;">上拨</td> <td class="xl65" style="height: 19.1932px; text-align: center;">1</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">DOWN</td> <td class="xl65" style="height: 19.1932px; text-align: center;">下拨</td> <td class="xl65" style="height: 19.1932px; text-align: center;">1</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">更改状态值</td> <td class="xl65" style="height: 19.1932px; text-align: center;">中键</td> <td class="xl65" style="height: 19.1932px; text-align: center;">0、1切换</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">CONFIRM</td> <td class="xl65" style="height: 19.1932px; text-align: center;">长上拨</td> <td class="xl65" style="height: 19.1932px; text-align: center;">&mdash;&mdash;</td> </tr> <tr style="height: 19.1932px;"> <td class="xl65" style="height: 19.1932px; text-align: center;" height="19">BACK</td> <td class="xl65" style="height: 19.1932px; text-align: center;">长下拨||长中键</td> <td class="xl65" style="height: 19.1932px; text-align: center;">&mdash;&mdash;</td> </tr> </tbody> </table> <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;">&nbsp;</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: justify;">&nbsp; 通过拨轮实现界面切换，网络对时温湿度检测等操作</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;"><span style="color: #000000; font-size: 12pt; font-family: helvetica, arial, sans-serif;">&nbsp;<img src="//image.lceda.cn/pullimage/5agaMVad7uQ3srSLJbKe2fEQgfs5cOWIaUJKJZOp.png" alt="" width="390" height="300" /></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; text-align: center;"><span style="color: #000000; font-size: 12pt; font-family: helvetica, arial, sans-serif;">图5&nbsp; &nbsp;拨轮状态切换说明</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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">6、BOM清单</span></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; text-align: left;">见末尾</p> <p>&nbsp;</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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">7、大赛LOGO验证</span></h3> <hr class="horizontal-splitline normal-bold-2" /> <p style="line-height: 1.8; text-align: center;">&nbsp;</p> <p style="line-height: 1.8; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/IFNbIWRWOOYeLkKdQaWltj9iROcIsFQpdonauAHi.jpeg" alt="" width="319" height="300" /> </span></p> <p style="line-height: 1.8; text-align: center;">&nbsp;</p> <p style="line-height: 1.8; text-align: center;"><span style="font-family: helvetica, arial, sans-serif;"><img src="//image.lceda.cn/pullimage/N9lJKPEi3T8Nc2dKlxAA51Y3xaJ9zJk65szqKTC4.jpeg" alt="" width="300" height="300" /></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; text-align: center;">&nbsp;</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; text-align: justify;"><span style="font-family: helvetica, arial, sans-serif;">8、演示视频</span></h3> <hr class="horizontal-splitline normal-bold-2" /> <p style="line-height: 1.8; text-align: left;">见附件</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;">&nbsp;</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;"><span style="font-size: 14px; font-family: helvetica, arial, sans-serif;"><a href="/posts/de460543d4cf4dacb5f0326612455578" target="_blank" rel="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; text-align: center;">&nbsp;</p> </div></p>