<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;"> </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> <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;">一、大赛LOGO</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;"><img src="//image.lceda.cn/pullimage/8NbXwH1V09W3vwJBVYSYp5TxBlyb4IGvWEdPqEPH.png" alt="8NbXwH1V09W3vwJBVYSYp5TxBlyb4IGvWEdPqEPH.png" width="859" height="351"></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;">实物</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/gsELWmiQm8RhjFgj0j4keFciuKwaIgANaRmRzPrx.jpeg" alt="" width="860" height="645"></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/1s4fzxbHWjv880gYR0cfWGhh1tqg9v17ZoFUWWM2.jpeg" alt="1s4fzxbHWjv880gYR0cfWGhh1tqg9v17ZoFUWWM2.jpeg" width="861" height="646"></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;">二、运行效果展示</h3> <p><img src="//image.lceda.cn/pullimage/tV5uLTZ2Wr7367n2fv0DJb4z8Ybb4jWBZpPdEKh7.jpeg" alt="" width="856" height="1141"></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/VSQFm06e6r0VMo6Fk1qtLVqla5lcvkuLFmdJVRUB.jpeg" alt="" width="852" height="1136"></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/axeMO9g9LBIAU233bzZ7i2j3ZPVXJFHCipEBNLCf.jpeg" alt="" width="854" height="1138"></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;">三、本次实物验证中遇到的问题：</h3> <p>1、USART_1 RX错接在32引脚，正确应该接在31引脚，画原理图时马虎；画板子时也没发现，用串口下载程序时才发现；</p> <p>2、安装屏幕时发现SCK和SDA线序错误；</p> <p>3、USB母座挖槽略小；</p> <p>4、此版本为快充版，支持输入电压为6-24V，有一个小问题就是当输入电压达到12V时会卡死重启，不过不影响使用。</p> <h3>四、心得</h3> <p>1、画图时一定要查好芯片手册；</p> <p>2、串口下载RX接TX,TX接RX;</p> <p>3、调试时记得去掉BOOT；</p> </div>