<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;"><span style="color:#95a5a6;font-size:14px;">实时采集usb线路的电压与电流，并计算功耗.</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;">检测电压范围为所采用的ams1117的电压范围，电流上限为2A。</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/71owzKLFrwRPYKgXE64U0CDT6ALTt9FlIxiGJBKf.jpeg" alt="" width="260" height="181"></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;"><span style="color:#95a5a6;font-size:14px;">本项目为首次公开的原创项目</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="color:#95a5a6;font-size:14px;">注：请说明项目是否首次公开；项目是否为原创；项目是否曾经在其他比赛中获奖，若有获奖则叙述获奖详情；项目是否在学校参加过答辩。</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> <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;">开源协议为GPL3.0</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;font-size:14px;">注：利他即利己，请认真阅读下述内容。</span></p> <ol style="line-height:1.8;"><li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">拥抱开源，赋予项目无限价值。建议项目核心功能开源80%以上；</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">若某一部分功能不可替代且删掉之后项目无法解决对应的问题，则这一部分实现的功能就是项目的核心功能；比如设计了一台电子负载且设计了一款上位机软件监控功率变化，则电子负载为核心功能，上位机软件为辅助功能；比如电子负载中使用了一款隔离485模块与上位机通信，则此485模块实现的通讯功能为辅助功能；</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">项目应选择适合自己的<span style="text-decoration:underline;"><a href="/posts/98fdb2accd754af7b51990790db3b47a" target="_blank">开源协议</a></span>，若项目引用其他开源项目，应注明来源并遵循原作者的开源协议规定；原创项目推荐使用GPL3.0开源协议；</span></li> <li class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt pap-hanging-indent-1.6em" style="line-height:1.8;"><span style="color:#95a5a6;font-size:14px;">直接引用开源项目的原电路或原代码实现的功能不可作为自己项目的核心功能、使用市场上通用模块直接实现的功能不可作为自己项目的核心功能。</span></li> </ol><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;">*4、硬件部分</h3> <p>采用嘉立创EDA设计。</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;">主控采用国民技术N32G430C8L7，N32G430系列采用32-bit ARM Cortex-M4F内核，最高工作主频128MHz，支持浮点运算和DSP指令，集成高达64KB嵌入式加密Flash，16KB SRAM，集成丰富的高性能模拟器件，内置1个12bit 4.7Msps ADC，3个高速比较器，集成多路U(S)ART、I2C、SPI、CAN等数字通信接口。</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;">采用usb to ttl烧录，使用时接线方式为R对R，T对T。预留供电接口，可直接使用烧录器+3.3v供电</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;">供电采样ams1117将电压转为3.3v。</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;">电流检测使用INA180A2IDBVR搭配100毫欧采样电阻实现低侧电流检测，增益50v/v。</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;">电压检测采用91k与10k分压</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> <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;">程序中电压已进行校准，电流因缺少设备未进行校准。</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;">程序可直接食用附件，烧录若采用的国民技术下载工具必须用1.2.5及以上版本。</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;">程序及下载工具下载链接: <a href="https://pan.baidu.com/s/1lXWdqRgW9X26TateDF5BXQ?pwd=64q4" target="_blank">附件</a></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;">bom中原件均可在立创商城购买，usb连接器可能无货，R2与R3建议选购精度较高的电阻。屏幕可在其他电商平台购买</p> <table width="916"><tr><td width="64" height="18">ID</td> <td width="118">Name</td> <td width="64">Designator</td> <td width="188">Footprint</td> <td width="64">Quantity</td> <td width="162">Manufacturer Part</td> <td width="64">Manufacturer</td> <td width="64">Supplier</td> <td width="64">Supplier Part</td> <td width="64">Price</td> </tr><tr><td align="right" height="18">1</td> <td>10uf</td> <td>C2</td> <td>C0603</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">2</td> <td>100nf</td> <td>C7,C8,C9,C10</td> <td>C0603</td> <td align="right">4</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">3</td> <td>4.7uf</td> <td>C11</td> <td>C0603</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">4</td> <td>1uf</td> <td>C12</td> <td>C0603</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">5</td> <td>0.1uf</td> <td>C13</td> <td>C0603</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">6</td> <td>USB-CONN-AM90</td> <td>CN1</td> <td>USB-A-TH_AM90</td> <td align="right">1</td> <td>USB-AM90</td> <td>ValuePro</td> <td>LCSC</td> <td>C9739</td> <td align="right">0.4789</td> </tr><tr><td align="right" height="18">7</td> <td>HDR-F-2.54_1x4</td> <td>H1</td> <td>HDR-F-2.54_1X4</td> <td align="right">1</td> <td> </td> <td> </td> <td>LCSC</td> <td>C225501</td> <td align="right">0.5575</td> </tr><tr><td align="right" height="18">8</td> <td>0Ω</td> <td>L2</td> <td>L0603</td> <td align="right">1</td> <td>CBG160808U000T</td> <td>FH</td> <td>LCSC</td> <td>C43163</td> <td align="right">0.0195</td> </tr><tr><td align="right" height="18">9</td> <td>0.01Ω</td> <td>R1</td> <td>R2512</td> <td align="right">1</td> <td>LR2512DS-3W-10mR-1%</td> <td>Milliohm</td> <td>LCSC</td> <td>C500740</td> <td align="right">0.6356</td> </tr><tr><td align="right" height="18">10</td> <td>91k</td> <td>R2</td> <td>R0603</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">11</td> <td>10k</td> <td>R3,R6,R7</td> <td>R0603</td> <td align="right">3</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">12</td> <td>N32G430C8L7</td> <td>U1</td> <td>LQFP-48_L7.0-W7.0-P0.50-LS9.0-BL</td> <td align="right">1</td> <td>N32G430C8L7</td> <td>Nations(国民技术)</td> <td>LCSC</td> <td>C3032170</td> <td align="right">5</td> </tr><tr><td align="right" height="18">13</td> <td>INA180A2IDBVR</td> <td>U2</td> <td>SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BR</td> <td align="right">1</td> <td>INA180A2IDBVR</td> <td>Texas Instruments</td> <td>LCSC</td> <td>C192764</td> <td align="right">1.6354</td> </tr><tr><td align="right" height="18">14</td> <td>HDR-M-2.54_1x4</td> <td>J1</td> <td>HDR-M-2.54_1X4</td> <td align="right">1</td> <td> </td> <td> </td> <td>LCSC</td> <td>C124378</td> <td align="right">0.2484</td> </tr><tr><td align="right" height="18">15</td> <td>U-A-24DS-W-1</td> <td>USB1</td> <td>USB-A-SMD_U-A-24DS-W-1.</td> <td align="right">1</td> <td>U-A-24DS-W-1</td> <td>Korean Hroparts Elec</td> <td>LCSC</td> <td>C530628</td> <td align="right">0.553</td> </tr><tr><td align="right" height="18">16</td> <td>10uF</td> <td>C3</td> <td>CAP-SMD_L3.5-W2.8-FD</td> <td align="right">1</td> <td>CA45A-B-20V-10UF-K</td> <td>CEC(振华新云)</td> <td>LCSC</td> <td>C2976904</td> <td align="right">0.7275</td> </tr><tr><td align="right" height="18">17</td> <td>10uf</td> <td>C4</td> <td>C0805</td> <td align="right">1</td> <td> </td> <td> </td> <td> </td> <td> </td> <td> </td> </tr><tr><td align="right" height="18">18</td> <td>K2-1107ST-A4SW-06</td> <td>RST,BOOT</td> <td>KEY-SMD_L6.2-W3.6-LS8.0</td> <td align="right">2</td> <td>K2-1107ST-A4SW-06</td> <td>Rectangular Connectors - Contacts</td> <td>LCSC</td> <td>C118141</td> <td align="right">0.4331</td> </tr><tr><td align="right" height="18">19</td> <td>SC1117-3.3V</td> <td>U4</td> <td>SOT-223_L6.5-W3.5-P2.30-LS7.0-BR</td> <td align="right">1</td> <td>SC1117-3.3V</td> <td>FM</td> <td>LCSC</td> <td>C173386</td> <td align="right">0.4014</td> </tr></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/pullimage/TUqd3Il9BGIjZmNQGDuO5lgdHI221EIEMvARCdC6.jpeg" alt="" width="300" height="228"></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 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;">视频见上方</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:14px;">更多详情：<a href="/posts/06c94d90c2c447dfbd9ed7339ff4a5b1" target="_blank">https://diy.szlcsc.com/posts/d76d9cb41705430e9a54e7a5feed07a5</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>