#第九届立创电赛#第九届立创电赛温湿度计

<h3 style="line-height: 1.8;">1、项目功能介绍</h3> <hr /> <p style="line-height: 1.8;"><span style="font-size: 12pt;"><strong><span style="color: #000000;">基于sht40传感器的温湿度计</span></strong></span></p> <h3 style="line-height: 1.8;">&nbsp;</h3> <h3 style="line-height: 1.8;">2、项目属性</h3> <hr /> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;"><strong>测量环境温度和湿度</strong></span></p> <h3 style="line-height: 1.8;">&nbsp;</h3> <h3 style="line-height: 1.8;">3、开源协议</h3> <hr /> <p style="line-height: 1.8;">&nbsp;</p> <table> <tbody> <tr> <td> <p>CC-BY-NC-SA 3.0</p> </td> <td> <p>知识共享许可协议-署名-非商业使用-相同方式共享</p> </td> </tr> </tbody> </table> <h3 style="line-height: 1.8;">&nbsp;</h3> <h3 style="line-height: 1.8;">4、硬件部分</h3> <hr /> <p style="line-height: 1.8;"><span style="font-size: 18pt;">1.充电部分</span></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/oshwhub/3374121bc74d495e93f509616cd074cb.png" alt="" width="871" height="280" /></p> <p style="line-height: 1.8;"><span style="font-size: 14pt; color: #e03e2d;"><strong>可以选择电池供电或插电（TYPEC）</strong></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt; color: #e03e2d;"><strong>短接NC插电使用（5v）,不焊接4056芯片和周边元件</strong></span></p> <p style="line-height: 1.8;"><span style="color: #000000; background-color: #f1c40f;"><strong><span style="font-size: 14pt; background-color: #f1c40f;">&nbsp; LDO耐压 5.5v，超压必烧&nbsp; <span style="background-color: #ecf0f1;">（ME6211）</span></span></strong></span></p> <p style="line-height: 1.8;"><strong><span style="color: #e03e2d; font-size: 14pt;">使用电池供电务必断开NC,请选择带有保护板的电池</span></strong></p> <p style="line-height: 1.8;"><strong><span style="color: #e03e2d; font-size: 14pt;">充电电流通过RP设置</span></strong></p> <p style="line-height: 1.8;">&nbsp;</p> <p style="line-height: 1.8;"><span style="color: #000000;"><strong><span style="font-size: 14pt;">2.传感器</span></strong></span></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/oshwhub/3904822d096446bfb42eb3f617dcd212.png" alt="" width="240" height="220" /></p> <p style="line-height: 1.8;"><span style="font-size: 12pt;">可以使用传感器模块或直接焊接传感器<span style="text-decoration: underline;">（根据自己的焊接技术选择）</span></span></p> <p style="line-height: 1.8;"><span style="font-size: 12pt;"><img src="//image.lceda.cn/oshwhub/ac55df9ed23d4110990a8fe0083ccd26.jpg" alt="" width="300" height="300" /></span><img src="//image.lceda.cn/oshwhub/37fa9bf233144df0a43e61e348d589cf.jpg" alt="" /></p> <p style="line-height: 1.8;">&nbsp;</p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong>3.电池电压采样</strong></span></p> <p style="line-height: 1.8;"><strong><span style="font-size: 12pt;"><img src="//image.lceda.cn/oshwhub/5dfc5b7e541b4c5985686fb549f20740.png" alt="" width="103" height="180" /></span></strong></p> <p style="line-height: 1.8;"><strong><span style="font-size: 12pt;">通过两个<span style="text-decoration: underline;">10k 0.1%</span>电阻分压，由mcu内部ADC采样</span></strong></p> <p style="line-height: 1.8;"><strong><span style="font-size: 12pt;">3.7v锂电池供电</span></strong></p> <p style="line-height: 1.8;"><strong><span style="font-size: 12pt;">插电使用可以不焊接此电路</span></strong></p> <h3 style="line-height: 1.8;">&nbsp;</h3> <h3 style="line-height: 1.8;">5、软件部分</h3> <hr /> <p style="line-height: 1.8;"><span style="color: #e03e2d; font-size: 14pt;"><strong>sht40传感器获取温度和湿度</strong></span></p> <p style="line-height: 1.8;"><span style="color: #95a5a6; font-size: 14px;"><img src="//image.lceda.cn/oshwhub/57bcbc1a12f64770b082a9517573b55f.png" alt="" width="1169" height="491" /></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong><span style="color: #e03e2d;">sn74hc595模拟时序</span></strong></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong><span style="color: #e03e2d;"><img src="//image.lceda.cn/oshwhub/777766f092ae4a51ad9ac4621d2965fa.png" alt="" /></span></strong></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong><span style="color: #e03e2d;">数码管显示</span></strong></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong><span style="color: #e03e2d;"><img src="//image.lceda.cn/oshwhub/40888c9d3eff4c949b6de154520bdef0.png" alt="" width="526" height="578" /></span></strong></span></p> <p style="line-height: 1.8;"><span style="font-size: 14pt;"><strong><span style="color: #e03e2d;"><img src="//image.lceda.cn/oshwhub/cc0582bd1ca644b5936bd327a1b5e39e.png" alt="" width="502" height="535" /></span></strong></span></p> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;"><strong>共阳极段码（数字1-9）显示小数点 <code>sgh_value &amp; 0x7f</code></strong></span></p> <p style="line-height: 1.8;"><span style="color: #e03e2d;"><strong><span style="font-size: 18pt;"><img src="//image.lceda.cn/oshwhub/8c6004063d7240c39fd222da7bf4ce8c.png" alt="" width="921" height="31" /></span></strong></span></p> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;"><strong>共阴极（数字1-9加小数点）</strong></span></p> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;"><strong><img src="//image.lceda.cn/oshwhub/d4355d4bd6fc4284894b2d6106fb2e52.png" alt="" width="971" height="27" /></strong></span></p> <p style="line-height: 1.8;"><span style="text-decoration: underline;"><span style="color: #000000; font-size: 12pt; text-decoration: underline;"><strong>如果出现显示不正常请检查数码管是共阳极还是共阴极</strong></span></span></p> <p style="line-height: 1.8;"><span style="background-color: #f1c40f;"><span style="color: #000000; font-size: 18pt; background-color: #f1c40f;"><strong>附件代码为共阳极</strong></span></span></p> <h3 style="line-height: 1.8;">6、BOM清单</h3> <hr /> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;">传感器：SHT40</span></p> <p style="line-height: 1.8;"><span style="color: #000000; font-size: 12pt;">MCU：STM32G030K6T6</span></p> <p style="line-height: 1.8;">&nbsp;</p> <h3 style="line-height: 1.8;">7、大赛LOGO验证</h3> <hr /> <p style="line-height: 1.8;"><img src="//image.lceda.cn/oshwhub/feaae6b1c691471f913cc67826037a2d.png" alt="" width="985" height="552" /></p> <p style="line-height: 1.8;">&nbsp;</p> <h3 style="line-height: 1.8;">8、演示您的项目并录制成视频上传</h3> <hr /> <p style="line-height: 1.8;"><strong><span style="font-size: 14pt;">3D外壳</span></strong></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/oshwhub/61d6c08dbe0844d1aaceccb26c076d91.png" alt="" width="734" height="400" /></p> <p style="line-height: 1.8;"><span style="text-decoration: line-through;">忽略打印质量</span></p> <p style="line-height: 1.8;"><em><strong><span style="font-size: 12pt; color: #3598db;">程序源码，3D外壳模型在附件</span></strong></em></p> <p style="line-height: 1.8;">&nbsp;</p>