<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> <p><span class="colour">【1】主控采用<strong>瑞萨R7FA2E1DFL</strong>，Cortex-M23内核，板载<strong>BOOT、复位</strong>按键，<strong>SWD、串口</strong>调试接口</span></p> <p><span class="colour"><img src="//image.lceda.cn/pullimage/1NXFwwaTToe0iL2YrGAAl7suIvB5eaj2EjTWpYUf.png" alt="" width="243" height="185"><img src="//image.lceda.cn/pullimage/aBhXC58kLo5AtUYBF1R5ajxchaZHO038Pj4UpH7K.png" alt="" width="461" height="185"></span></p> <p><span class="colour">【2】采用<strong>DHT11温湿度传感器</strong>，通过<strong>4位共阴极数码管</strong>显示时间、温湿度数值，显内容换通过<strong>弹簧触摸按键</strong>切换</span></p> <p><span class="colour"><img src="//image.lceda.cn/pullimage/zNvwDJMQzr0Me51icKfu2gU1lqXej6kx9xIgVX8Q.png" alt="" width="205" height="204"><img src="//image.lceda.cn/pullimage/JQt4ojUHWpsaJ8JWcvyA1vwoqwr1JwK1sETsKws8.png" alt="" width="149" height="204"><img src="//image.lceda.cn/pullimage/NxFXb4XN8Cqesu9byV5V1F2xHKUqvKg7RnkrZrpQ.png" alt="" width="308" height="205"></span></p> <p><span class="colour">【3】双供电系统，可通过type-c或单节锂电池供电，使用PMOS和二极管实现电源自动切换；</span><span class="colour">当插入type-c数据线，二极管导通，PMOS截止，此时系统由USB供电，同时通过TP4056为锂电池充电；当拔出USB，PMOS导通，系统由锂电池供电。</span></p> <p><span class="colour"><img src="//image.lceda.cn/pullimage/S5xB16v0IdDFT9C1E7aMmhpHcdOo3To4u7IdsI37.png" alt="" width="635" height="208"></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 class="colour">【4】程序采用训练营官方hex文件烧录，功能正常实现</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 class="colour"><img src="//image.lceda.cn/pullimage/9Z3OJPuk2dGcgB2gKGjvICwH6Pz7Q6t6nyR49Mvi.jpeg" alt="" width="482" height="361"></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;">2、PCB焊接实物</h3> <p><img src="//image.lceda.cn/pullimage/o6llgdap4ZWsruqIdYY2aveIAKr0kAp7vPe9aZvI.jpeg" alt="" width="482" height="361"><img src="//image.lceda.cn/pullimage/rR8Gn7O284yds9NieEWdLfh4UmW2BoWqilqqzo0B.jpeg" alt="" width="482" height="361"></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、成品装配介绍</h3> <p>电子时钟外壳采用上下壳设计，和顶部4颗按键帽均为嘉立创三维猴3D打印制作，效果很好严丝合缝（STL打印文件在附件），上下壳通过4颗M2螺丝固定，正面黑色半透明面板覆盖</p> <p><img src="//image.lceda.cn/pullimage/ezlHzutFkETcLeb65Xp81L5IVuTxkvYg9g73ybyL.jpeg" alt="" width="579" height="434"></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>