<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> <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;"><strong>家里刚好闲置两个小音箱，计划将其改装成带无损蓝牙传输功能的音箱</strong></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;"><strong>蓝牙模块使用QCC3031以实现ATPX-HD无损蓝牙传输，PCM1794A实现I2S解码</strong></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;"><strong>双NE5532平衡输出至TPA3116D进行放大</strong></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;"><strong>使用LP5907与1117分别为PCM1794A和蓝牙模块进行供电</strong></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;"><strong>正负电源部分使用两个TPS5430为NE5532提供稳定的正负12V电源</strong></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;">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;"> </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;"><strong><span style="color:#000000;font-size:16px;">项目属于首次公开，电路设计参考官方手册以及网上资料</span></strong></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;"><strong><span style="color:#000000;font-size:16px;">TPA3116功放部分参考自：<a href="/winton/d-lei-shuo-zi-gong-fang" target="_blank">https://oshwhub.com/winton/d-lei-shuo-zi-gong-fang</a></span></strong></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;"><strong><span style="color:#000000;font-size:16px;">TPS4530正负电源部分参考自：<a href="/hshgc/tps5430-dan-dian-yuan-zhuan-zheng-fu-shuang-dian-yuan" target="_blank">https://oshwhub.com/hshgc/tps5430-dan-dian-yuan-zhuan-zheng-fu-shuang-dian-yuan</a></span></strong></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;">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;"> </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="font-size:16px;color:#000000;"><strong>GPL 3.0</strong></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;">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;"> </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;"><strong>7/28：各电源部分验证成功</strong></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;"><strong>3.3V电源，5V电源指标正常</strong></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;"><strong>12V正负电源电路有问题，通过飞线解决</strong></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;"><strong>在V1.4上已修正</strong></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> <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;"><strong>正负电源电路问题所在：</strong></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;"><strong>V1.3版本负12V电源部分</strong></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;"><strong><img src="//image.lceda.cn/pullimage/FdFnafaroXngPyezwm0C0aiYfdfxu1jTmJclMVCK.png" alt="" width="1061" height="441">V1.4版本负12V电源部分</strong></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;"><strong><img src="//image.lceda.cn/pullimage/zikBx47e8HvOez5zTK0ENlPaNIDFs8N4xBNiSKS3.png" alt="" width="1104" height="564">刮断铜箔并飞线后，恢复正常</strong></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;"><strong><img src="//image.lceda.cn/pullimage/FXRAfkmXfGamlFA79Cn30i8BV631tUIdYSA7GIxt.jpeg" alt="" width="1200" height="1200">------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</strong></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;"><strong>7/31：焊接完其余元件以及蓝牙模块，上电测试成功</strong></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;"><strong>按键控制正常，同时为了加强散热用了带背胶的铝散热片</strong></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;"><strong><img src="//image.lceda.cn/pullimage/kMjvImfNO8j3kSSMaOyiYciPtS7xW7AFWbqFldTO.jpeg" alt="" width="1200" height="1200"></strong></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;"><strong>驱动两个8欧 15W的全频喇叭声音非常带劲</strong></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;"><strong><img src="//image.lceda.cn/pullimage/4z6A2pvS6drijkdKRLdL7DiPDaGIGXiRWVhJDb5z.jpeg" alt="" width="1200" height="1200"><img src="//image.lceda.cn/pullimage/IwRFm5tCtc1D3EbZoeGWUrc4WYJLxRABdlq8MMag.jpeg" alt="" width="1200" height="1200"><strong>当然直接驱动音箱也是可以的，听感非常不错</strong></strong></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;"><strong><strong><img src="//image.lceda.cn/pullimage/3WZCWG4eZBhAEJHtcwnRLU6IqUtS57jGfzxnc405.jpeg" alt="" width="1200" height="1200"></strong></strong></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;"><strong>更多图片：</strong></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;"><strong><img src="//image.lceda.cn/pullimage/K8a7EYOwl2MzLMdi6t9OucewCma05YQKjKBwCzaG.jpeg" alt="" width="1200" height="1200"><img src="//image.lceda.cn/pullimage/PaJFzGxwpPXWUAcD9SEBqKJUdvXuPWlDWR1wYIes.jpeg" alt="" width="1200" height="1200"><img src="//image.lceda.cn/pullimage/2EYrMRqF8I8PIBtfsikU9ppwWYgesRRuU5tGb6HQ.jpeg" alt="" width="1200" height="1200">--------------------------------------------------------------------------------------The End------------------------------------------------------------------------------------</strong></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;"> </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" style="line-height:1.8;"><strong>无软件部分</strong></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;"><img src="//image.lceda.cn/pullimage/CkZSfyT2a8ieAXkcQuqU20CsQGAJmUtGzzpcF1BV.png" alt="" width="537" height="767"></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;">BOM中的680nf电容立创编号有出错，需要注意。</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 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/QzwTF62eoaveIPHdJygkEg98LPBrsyl7xsmx34WT.png" alt="" width="917" height="760"></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/VmYHVvHvRbkLCndd2llMnJXVUE4iON75L8rlI19r.png" alt="" width="942" height="769"></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/TtiX0NK2Boh30GS2JoPlsk7OwcQWg7R7LSDVOC1E.jpeg" alt="" width="1200" height="1200"></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 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;"><strong>搭配音箱的测试视频地址1：<a href="https://www.bilibili.com/video/BV1Tb4y1z7Fs" target="_blank">https://www.bilibili.com/video/BV1Tb4y1z7Fs</a></strong></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;"><strong>搭配音箱的测试视频地址2：<a href="https://www.bilibili.com/video/BV1GX4y1F793/" target="_blank">https://www.bilibili.com/video/BV1GX4y1F793</a></strong></p> </div>