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href="/20230801/%E6%A0%91%E8%8E%93%E6%B4%BE%E9%80%9A%E8%BF%87PCA9685%E6%A8%A1%E5%9D%97%E6%8E%A7%E5%88%B6%E8%88%B5%E6%9C%BA/" target="_self">树莓派通过PCA9685模块控制舵机</a></h1><a class="index-excerpt" href="/20230801/%E6%A0%91%E8%8E%93%E6%B4%BE%E9%80%9A%E8%BF%87PCA9685%E6%A8%A1%E5%9D%97%E6%8E%A7%E5%88%B6%E8%88%B5%E6%9C%BA/" target="_self"><div>树莓派通过PCA9685模块控制舵机 原因 我们使用树莓派制作机器人或者小车时，经常遇见需要控制大量舵机的需求，树莓派4B只有GPIO1引脚可以通过硬件方式输出PWM波，其余的引脚只有通过软件的方式才可以实现PWM波输出。 为了实现大量舵机的精准控制，可以使用PCA9685模块进行控制。 PCA9685介绍 详细介绍可以参考知乎上别人写的一篇文章PCA9685：I2C转16路PWM，助力你的系</div></a><div class="index-btm post-metas"><div class="post-meta mr-3"><i class="iconfont icon-date"></i> <time datetime="2023-08-01 18:30" pubdate>2023-08-01</time></div><div class="post-meta mr-3 d-flex align-items-center"><i class="iconfont icon-category"></i> <span class="category-chains"><span class="category-chain"><a href="/categories/%E5%B5%8C%E5%85%A5%E5%BC%8FLinux/" class="category-chain-item">嵌入式Linux</a></span></span></div><div class="post-meta"><i 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src="/Photo/Blog_Photo/index/Ascll%E5%AE%8C%E6%95%B4%E7%A0%81%E8%A1%A8.jpg" srcset="/img/loading.gif" lazyload alt="Ascll完整码表"></a></div><article class="col-12 col-md-8 mx-auto index-info"><h1 class="index-header"><a href="/20230625/Ascll%E5%AE%8C%E6%95%B4%E7%A0%81%E8%A1%A8/" target="_self">Ascll完整码表</a></h1><a class="index-excerpt" href="/20230625/Ascll%E5%AE%8C%E6%95%B4%E7%A0%81%E8%A1%A8/" target="_self"><div>ASCII码表 ASCII值 控制字符 ASCII值 控制字符 ASCII值 控制字符 ASCII值 控制字符 0 NUL 32 (space) 64 @ 96 、 1 SOH 33 ! 65 A 97 a 2 STX 34 " 66 B 98 b 3 ETX 35 # 67 C 99 c 4 EOT 36 $ 68 D 100 d 5 ENQ 37 %</div></a><div class="index-btm post-metas"><div class="post-meta mr-3"><i class="iconfont icon-date"></i> <time datetime="2023-06-25 11:16" pubdate>2023-06-25</time></div><div class="post-meta mr-3 d-flex align-items-center"><i class="iconfont icon-category"></i> <span class="category-chains"><span class="category-chain"><a href="/categories/%E6%93%8D%E4%BD%9C%E7%B3%BB%E7%BB%9F/" 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有时候，我自己会想，CPU的成本那么高，为什么那么多的智能设备的价格却是那么的便宜，到底是怎么去压缩这些产品的价格的；但是自己始终没有去深究过其中的技术，直到学校开始开设劳动教育课程，我选择了“避障小车的制作”这门课程，学校提供了Arduino单片机平台给我，借此我才开始正式接触单片机。 从Arduino开始入坑 Arduino到底是个啥？ 喏，就长这样： 这是一个最为基础的A</div></a><div class="index-btm post-metas"><div class="post-meta mr-3"><i class="iconfont icon-date"></i> <time datetime="2022-12-27 12:06" pubdate>2022-12-27</time></div><div class="post-meta mr-3 d-flex align-items-center"><i class="iconfont icon-category"></i> <span class="category-chains"><span class="category-chain"><a href="/categories/%E5%8D%95%E7%89%87%E6%9C%BA/" class="category-chain-item">单片机</a></span></span></div><div class="post-meta"><i class="iconfont icon-tags"></i> <a href="/tags/%E5%8D%95%E7%89%87%E6%9C%BA/">#单片机</a></div></div></article></div><div class="row mx-auto index-card"><div class="col-12 col-md-4 m-auto index-img"><a href="/20221125/%E5%9F%BA%E4%BA%8EUDP%E5%8D%8F%E8%AE%AE%E7%9A%84%E8%99%9A%E6%8B%9F%E8%B7%AF%E7%81%AF/" target="_self"><img 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