<div class="document"> <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;">      基于R7FA2E1A72DFL芯片的桌面电子时钟设计，通过四位0.56寸共阴极数码管进行时间、温度、湿度等显示，采用DHT11温湿度传感器采集环境温湿度。</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> <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> <hr class="horizontal-splitline normal-bold-2"> <p>1、采用R7FA2E1A72DFL作为电子时钟的主控芯片</p> <p>2、采用一个四位0.56寸共阴极数码管用来显示时间</p> <p>3、通过DHT11温湿度传感器进行环境温度采集</p> <p>4、采用四个按键进行时钟设置按键</p> <p>5、引出一路复位按键、串口电路、SWD下载电路，方便下载调试</p> <p>6、瑞萨芯片集成了触摸引脚，引出一路触摸引脚出来用来作为触摸按钮使用</p> <p>7、通过无源蜂鸣器作为时间达到等提示</p> <p>8、通过AO3401A+1N5819二极管组成电源切换电路</p> <p>9、通过TP4056来给电池充电</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、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;">      首次公开，复刻官方项目的基础上微调。</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、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;">      Public Domain</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;">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;">原理图：</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 src="//image.lceda.cn/pullimage/k4t05riCTUphjzjjo4z9EzKOWYzdfM9rPo5Lw9Om.png" alt="" width="1200" height="842"></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;">PCB：</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 src="//image.lceda.cn/pullimage/CtleyrRZwwBYEAGCs8zkSU1lfZDDP9Fpb0kIcmi2.png" alt="" width="961" height="559"></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;">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 pap-left-indent-1.6em" style="line-height:1.8;">    程序基于RASC的keil制作</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;">6、BOM清单</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;"> </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 src="//image.lceda.cn/pullimage/KJlvxWEPx0BDZme52tMG5VO24V7UZWRCL04YOox9.jpeg" alt="" width="1200" height="717"></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、大赛LOGO验证</h3> <hr class="horizontal-splitline normal-bold-2"> <p style="line-height:1.8;"> </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:#95a5a6;font-size:14px;"><img src="//image.lceda.cn/pullimage/yq784ljNB9GqMhPVwutqv5QJfnJtYorybkFJ2ctr.png" alt="" width="1114" height="693"></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:#95a5a6;font-size:14px;"><img src="//image.lceda.cn/pullimage/eR0xQPgPZtXWkJLicoeRhtdjdO1tS5sXnM5sU1oD.jpeg" alt="" width="1200" height="1080"></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;"> </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;">8、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;">时间：</p> <p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/punN6bOm6zvktcwjl3EXDaCPoJQlTNIEdmZhWw2K.jpeg" alt="" width="1200" height="1080">温度：</p> <p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/ySY4bcWZvXxLxgdwf5ugmdYlpFvLLnWxrH65mUuI.jpeg" alt="" width="1200" height="1080">湿度：</p> <p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/U2rY3bsfQ4ZdF0A8xY8JHyfFI11OWuTuYbOwujaJ.jpeg" alt="" width="1080" height="1080"></p> <p style="line-height:1.8;"> </p> <p style="line-height:1.8;"> </p> <p style="line-height:1.8;">B站视频链接：<a title="B站视频链接" href="https://b23.tv/BCnWXG6" target="_blank">【立创电赛】基于瑞萨的桌面电子时钟设计-哔哩哔哩</a></p> <p style="line-height:1.8;"> </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>