Keyboard Design on Yang's Noteshttps://yanghu.github.io/zh/categories/keyboard-design/Recent content in Keyboard Design on Yang's NotesHugo -- gohugo.iozh-cnyang@yhu.me (Yang Hu)yang@yhu.me (Yang Hu)© 2026 Yang HuSun, 11 Apr 2021 18:37:25 -0700键盘 PCB 设计https://yanghu.github.io/zh/posts/keyboard-pcb-design/Sun, 11 Apr 2021 18:37:25 -0700yang@yhu.me (Yang Hu)https://yanghu.github.io/zh/posts/keyboard-pcb-design/<h1 class="relative group">功能亮点 <div id="功能亮点" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%8a%9f%e8%83%bd%e4%ba%ae%e7%82%b9" aria-label="锚点">#</a> </span> </h1> <p>最初我想做一块分体键盘，但由于已经有了一块分体板（crkbd），做一块类似 Arteus/Reviunge 的一体板更有意义。</p> <p>设计采用激进式行列错位（与我的分体设计相同的列错位），列方向倾斜 15 度。</p> <p>其他功能：</p> <ul> <li>OLED 状态显示</li> <li>RGB 底部灯</li> <li>音频</li> <li>编码器</li> </ul> <h1 class="relative group">STM32 设计考量 <div id="stm32-设计考量" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#stm32-%e8%ae%be%e8%ae%a1%e8%80%83%e9%87%8f" aria-label="锚点">#</a> </span> </h1> <p>由于 F072 缺货，将使用 F411。</p> <p>在 QMK 中配置 STM 芯片的技巧：https://discord.com/channels/440868230475677696/440870965728116754/839978277489082370</p> <p>查找使用特定芯片的键盘的代码片段：</p> <div class="highlight-wrapper"><div class="highlight"><div class="chroma"> <table class="lntable"><tr><td class="lntd"> <pre tabindex="0" class="chroma"><code><span class="lnt"> 1 </span><span class="lnt"> 2 </span><span class="lnt"> 3 </span><span class="lnt"> 4 </span><span class="lnt"> 5 </span><span class="lnt"> 6 </span><span class="lnt"> 7 </span><span class="lnt"> 8 </span><span class="lnt"> 9 </span><span class="lnt">10 </span></code></pre></td> <td class="lntd"> <pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl"> % git grep &#39;MCU\s*=\s*STM32F411&#39; keyboards/ </span></span><span class="line"><span class="cl"> keyboards/handwired/onekey/blackpill_f411/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/handwired/onekey/blackpill_f411_tinyuf2/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/handwired/pill60/blackpill_f411/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/handwired/riblee_f411/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/matrix/m20add/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/matrix/noah/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/tkw/grandiceps/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/tkw/stoutgat/v2/f411/rules.mk:MCU = STM32F411 </span></span><span class="line"><span class="cl"> keyboards/zvecr/zv48/f411/rules.mk:MCU = STM32F411</span></span></code></pre></td></tr></table> </div> </div></div> <h2 class="relative group">外设的 DMA 通道 <div id="外设的-dma-通道" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e5%a4%96%e8%ae%be%e7%9a%84-dma-%e9%80%9a%e9%81%93" aria-label="锚点">#</a> </span> </h2> <p>I2C、SPI、ADC、DAC 等外设使用 DMA 通道。PWM 也可以使用 DMA 以获得更好的性能，例如用于 LED 驱动器。STM32F072 有 7 个 DMA 通道（详情见参考手册）。选择外设时需要谨慎，避免 DMA 通道冲突。</p>