<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;"><em> 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: #000000; font-size: 14px; background-color: #ffffff;">本项目设计了一温湿度计，可以显示实时温湿度，采用了盛思锐的sht40传感器，精度较高。这也是笔者第一次设计电路，在经历了买错元器件，焊坏板子等一系列困境后终于成功点亮并读取到温湿度值，现将自己从小白到入门的经历分享给大家。</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;"></em>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;">1.本项目首次公开于立创开源广场。</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.本项目参考了训练营导师所提供的资料，在此感谢立创训练营的各位老师和活动酱，还有在群里一起帮忙答疑和指导的各位小伙伴大佬们！！！</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.本项目截至2021.8.5未参与过其他奖项，未参与过学校答辩。</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;"><em> 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 class="ql-size-13" style="box-sizing: bord ap-strictn t-weight: bolder; color: #494949; font-family: 'Microsoft YaHei', 微软雅黑, 宋体, 'Arial Narrow', HELVETICA; background-color: #ffffff; font-size: 13pt;">BSD</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;"></em>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;">硬件设计时遇到了一些问题，也获得了不少收获，在这里分享给大家</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: #e03e2d;">1.pcb设计无法做到完美布局和完美走线</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;">笔者是一个比较追求完美的强迫症患者，一开始在pcb设计阶段，比较追求完美的布局和完美的走线，所以在布局元器件时追求对称整齐。布线时追求只走一面。但是在挣扎了几天后发现，只能做到元器件相对整齐，根本无法完全避免布线交叉，而一旦交叉就需要打过孔走线到另一面绕开。</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;"><span style="color: #e03e2d;">2.不可以在焊盘打孔，焊盘不要锐角出线</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;">在提交审核之前查看作业表时，偷偷观察了其他营员所犯的错误，并且自己检查了一遍。</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: #e03e2d;">3.根据bom清单购买元件时一定要仔细检查</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;">这次我买错了三种元器件，中间温湿度传感器还坏过一次。所以浪费了很多时间。很多元器件可能只相差一个字母，一定要仔细检查！！！</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;">大家请看我的第一次焊接：惨不忍睹，数码管被电烙铁烫坏了</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;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/4FG7fEOGOlTng5kNjkLTDCBW9pzcJurAW4RPRZFG.jpeg" alt="" width="600" height="450" /></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;"><em>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;">在硬件正确的基础上才能开始开发调试软件部分。</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;">笔者认为硬件正确应该包含以下几个方面：</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;"><span style="color: #e03e2d;">1.原理图正确</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: #e03e2d;">2.元器件对应无误</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: #e03e2d;">3.焊接完美</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;">笔者在首次焊接完成后无法无法识别，还以为是st-link坏了，或者软件驱动未安装好。装了好几次环境，浪费了很多时间。</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;">&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;">本项目软件逻辑比较简单，采用cube配置好引脚功能，然后生成代码，再用keil编写业务逻辑即可。笔者是软件开发出身，所以这块没什么难度，建议开发时注意代码分层，和代码复用。这样可以让代码逻辑更加清晰，方便阅读。</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;">&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;"></em>6、大赛LOGO验证</h3> <hr class="horizontal-splitline normal-bold-2" /> <p style="line-height: 1.8;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/RATLHxkGiakQv72bmzeT7lbihYqRN12UviBlnJGl.jpeg" alt="" width="400" height="533" /></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;">&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;">&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;">* 7、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;">&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;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/ScEo4QwPhrG65KKYKvW8g7pSqNg8Bput2NMOhKZv.gif" alt="" width="740" height="487" /></p> </div></p>