<h2>原理图简单分析</h2> <h3>一、主控电路</h3> <p><span style="font-size: 14pt;">使用STM32G030K6T6进行低功耗运行，但其他器件耗电</span></p> <p><img src="//image.lceda.cn/pullimage/uEO6DVrlosF4oMh4eONaFvJzF6DtT3PiWoVyTDSD.png" alt="" width="687" height="473"></p> <h3>二、复位电路</h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">RC串联复位电路</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/s8aBQEJD3U8pAwImfJHvIGcftnohgS929x0lNIli.png" alt="" width="312" height="476"></span></p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">三、晶振电路</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">使用32.768kHz晶振进行RTC计时</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/zvxUZZoFSMNNiwW5PE5B5ObwS1EjEMgLKFdzeMso.png" alt="" width="350" height="423"></span></p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">四、纽扣电池供电</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">能够驱动运行，但运行时间不是很长</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/wGQFGyOcBXwEx8FhxbJ236ubX30y1RkB7LWIOEmA.png" alt="" width="350" height="438"></span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/x752XR6V2dWWolxnFzWOUrtqgPNHHvfZXQguMG4G.png" alt="" width="450" height="306"></span></p> <p> </p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">五、温湿度传感器</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">使用SHT40进行温湿度传感，就是太小了有一点焊接难度（</span><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">IIC通信）</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/8K5pYisINgPzT65RWAxUEh7TpQ8adDvwvq9JUpE0.png" alt="" width="450" height="329"></span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/ZMRm241OkYCQYZUmtIDz2wVBumBIi4ELHQH9RsD2.png" alt="" width="450" height="178"></span></p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">六、气压传感</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">使用WF183DE进行气压传感，支持多次通信，这里使用串口通信</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/sIm3rOTe26HlqFj1rfBKyMyoPuVJD54z3CMsPvUI.png" alt="" width="351" height="249"></span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/DCFA8rClWBG4sCaqUMqqBtvwRmVSEllabM8oVlSK.png" alt="" width="450" height="288"></span></p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">七、0.91寸OLED显示</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">也是使用IIC通信，一个OLED模块使用排针插入即可</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/xRwbycTKPA56AiI9X5mZt1RKiSwudGQWvNmQ1l0a.png" alt="" width="421" height="359"></span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/9bKVwJJMP8017GiZ5XS3EsMFIemBmHNMxiTF9SjA.png" alt="" width="692" height="400"></span></p> <h3><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">八、按键电路</span></h3> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;">搭配两个卧贴按键，用于休眠和不同界面的切换</span></p> <p><span style="color: #000000; font-family: -appl t-size: 14pt; font-variant-ligatures: no-common-ligatures; background-color: #ffffff;"><img src="//image.lceda.cn/pullimage/YkZw6glcKIPF5wyYNcEVd8YAAqcUG0DTDlmNZ2iI.png" alt="" width="450" height="424"></span></p> <p> </p>