描述
<p><h2 style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">1.项目简介</h2>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">本项目采用的是 STM32G030K6T6 芯片作主控，芯片使用的是Arm Cortex-M0+内核，最大主频 64MHz；项目的核心部件是 SHT40 温湿度传感器模块，SHT40 是盛思锐生产的第四代，高精度，超低功耗的16位相对湿度和温度传感器，主要特性参数：相对湿度精度可以达到：±1.5%RH，温度精度可以达到：±0.1℃，平均的工作电流：0.4μA，空闲电流：80nA，工作范围：0-100%RH，-40-125℃，可以满足日常的温湿度测量需求，因为SHT40非常小，焊接难度很高，所以这里直接使用的本次大赛专供的SHT40模块，方便使用，<span style="box-sizing: bord ap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgba(59,130,246,.5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; color: #e03e2d;">这里需要特别注意的一点就是，SHT40温湿度模块的引脚和插座是要对应插上的，如果插反了的话，轻则影响温湿度模块的测量，重则烧毁模块！</span>通过 I2C 通讯获取盛思锐的温湿度传感器的数据显示到数码管上；考虑到功耗问题，设置了一个睡眠模式，默认是不开机的；通过按键唤醒芯片进行数据采集并显示在数码管上；电源模块采用两节5号电池进行供电，有 3V 左右的电压，在我们设计的能够进行睡眠唤醒的工作模式中两节电池可以使用非常久的时间；软件通过 STM32CubeMX 进行基础代码生成与配置，图形化的方式可以快速上手使用芯片。</p>
<h2 style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">2.PCB 设计</h2>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">PCB顶面图</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/SaOJnLsKoiTRzhutNjNHVA5J3z3v9ETBEFrWCqpg.png" alt="" width="1030" height="678" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">PCB 底面图</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/qtbmkdGI74tgjkqu6oYIcByQ5fWjTu1paUNluHpa.png" alt="" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">3D 预览图</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img style="display: block; margin-left: auto; margin-right: auto;" src="//image.lceda.cn/pullimage/xzSJSUzHJmw6kkVUZuyP8xVCAJJ9f2PoFjO1X4xj.png" alt="" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">实物图</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/3yvIZCeRdRia4kTbsepTcuMDCCY5w3pLb0XGnmCP.png" alt="" /></p>
<h2 style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">3.注意</h2>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">本次 PCB 设计还预留了一些扩展的功能，比如：</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">ADC 检测电池电压，</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img src="//image.lceda.cn/oshwhub/be3ad608de0f4a609d9d9b04ddf01961.png" alt="" width="400" height="300" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">LED 测试灯，</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img src="//image.lceda.cn/oshwhub/9f10b491daf24423bcfbad1d2d1ab517.png" alt="" width="400" height="300" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;">实时时钟RTC，</p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"><img src="//image.lceda.cn/oshwhub/c42cf576fdb64a529ee2b553779a1132.png" alt="" width="400" height="300" /></p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"> </p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"> </p>
<p style="box-sizing: bord ap-strictn : 0px; line-height: 1.8; color: #202d40; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif; font-size: medium; background-color: #ffffff;"> </p></p>
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