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#第七届立创电赛#《枫》便携式桌面空气质量监测仪

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<div class="document"> <h1 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;text-align:center;"><span style="font-family:'comic sans ms', sans-serif;color:#3598db;">Portable tabletop air quality monitor</span></h1> <div class="document"> <div class="section"> <div class="document"> <div class="section"> <div class="document"> <div class="section"> <div class="document"> <div class="section"> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="text-align:center;"><span style="font-family:'comic sans ms', sans-serif;">⭐ <span style="font-size:16px;"><strong>便携式桌面空气质量监测仪</strong></span> ⭐</span></p> <div class="document"> <div class="section"><hr class="horizontal-splitline dashed"></div> </div> </div> </div> </div> </div> </div> </div> </div> </div> <p style="text-align:center;"><span style="color:#e03e2d;background-color:#ecf0f1;"><span style="color:#3598db;"><strong>最新版本:硬件版本:Ver2.0;</strong></span><span style="color:#3598db;"><strong>软</strong></span><span style="color:#3598db;"><strong>件版本Ver2.3;</strong></span><br></span></p> <p style="text-align:center;"><span style="color:#e03e2d;background-color:#ecf0f1;"><span style="color:#3598db;"><strong>Hardware: 🔗<a title="无限套娃(⊙o⊙)?!" href="/lin_xiandi/desk-aqm" target="_blank">OSHWHub</a> | Firmware: 🔗<a title="来点个STAR⭐吧~" href="https://github.com/Sakurashiling/Portable-tabletop-air-quality-monitor" target="_blank">GitHub</a></strong></span></span></p> <h2>🤔<span style="color:#000000;font-size:24px;">前言: </span></h2> <div class="document"> <div class="section"><hr class="horizontal-splitline normal"></div> </div> <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;">最近天气比较热,经常开空调不通风。由于长时间封闭房间内不通风会导致空气的二氧化碳比例上升。时间久了会犯困打瞌睡,导致工作效率降低。</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;">我们每时每刻都在呼吸,一个人每天要大约要呼吸两万多次,每天至少要与环境交换一万多升气体,可见空气质量的好坏与人的健康息息相关。</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;">以上,我诞生了一个制作了一款便携桌面空气质量监测仪的想法。</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;">该便携桌面空气质量监测仪不仅实现了对空气中<span style="color:#000000;font-size:14px;"><span style="color:#000000;" xml:lang="zh">CO<sub>2</sub></span></span>的读取,还顺便实现了监测温湿度、TVOC、空气PM浓度、及空气悬浮颗粒物计数以及数据定时上报等功能。</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;"><span style="color:#000000;font-size:16px;"><strong><span style="font-size:12px;">⚫</span></strong></span><strong>关于PM2.5:</strong>环境空气质量指数:一级(<strong><span style="color:#2dc26b;">0-50</span></strong>)<strong>优</strong>、二级(<span style="color:#c9f100;"><strong>51-100</strong></span>)<strong>良</strong>、三级(<span style="color:#ffd900;"><strong>101-150</strong></span>)<strong>轻度污染</strong>、四级(<strong><span style="color:#e67e23;">151-200</span></strong>)<strong>中度污染</strong>、五级(<strong><span style="color:#e03e2d;">201-300</span></strong>)<strong>重度污染</strong>、六级(<strong><span style="color:#ba372a;">>300</span></strong>)<strong>严重污染。<a href="https://zhuanlan.zhihu.com/p/30730534" target="_blank">来源</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;"><span style="color:#000000;font-size:16px;"><strong><span style="font-size:12px;">⚫</span></strong></span><strong>关于TVOC:</strong>室内总挥发性有机物(TVOC)浓度单位为ppb时,当该数值长时间大于<strong>750ppb</strong>后,就可以建议开窗通风或采用其他空气治理方式进行治理。<strong><a href="https://m.dstair.com/Article/show/24427" target="_blank">来源</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;"><span style="color:#000000;font-size:16px;"><strong><span style="font-size:12px;">⚫</span></strong></span><strong>关于<span style="color:#000000;font-size:14px;"><span style="color:#000000;" xml:lang="zh">CO<sub>2</sub></span></span>:</strong>在大自然环境的空气中二氧化碳的正常含量是<strong>400 PPM(0.04%)</strong>,室内环境的空气中二氧化碳的正常含量是<strong><span style="color:#2dc26b;">400~800</span> PPM</strong>,在<span style="color:#000000;"><strong><span style="color:#e67e23;">800-1200</span> PPM</strong></span>之间人会感到沉闷、困、精神疲劳,在<strong><span style="color:#e03e2d;">1200</span> PPM</strong>以上会无法积极地工作下去。<strong><a href="https://tion-china.cn/blog/eryanghuatannongdu/" target="_blank">来源</a></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;"><span style="font-size:24px;">📺外观展示</span></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;"><span style="color:#000000;font-size:16px;"><strong>⚫面板展示:(客服发的,目前面板还没到货,到货后更新图片)</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;"><span style="color:#000000;font-size:16px;"><strong><img src="//image.lceda.cn/pullimage/tUsNzudGEWaprnUx0zzriWpbsoUjPuyUFM6ZV3vh.png" width="734" height="469" alt="tUsNzudGEWaprnUx0zzriWpbsoUjPuyUFM6ZV3vh.png"></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;">先手动P一张效果图😉</p> <p class="paragraph text-align-type-left pap-line-1.3 pap-line-rule-auto pap-spacing-before-3pt pap-spacing-after-3pt" style="line-height:1.8;"><span style="color:#000000;font-size:16px;"><strong><img src="//image.lceda.cn/pullimage/YV7ndKKrVB82vpHZyVjNBXOeqO2j8GWwwmZbcrPM.jpeg" width="730" height="425" alt="YV7ndKKrVB82vpHZyVjNBXOeqO2j8GWwwmZbcrPM.jpeg"></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;"><span style="color:#000000;font-size:16px;"><strong>⚫成品正面照:</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;"><span style="color:#000000;font-size:16px;"><strong><img src="//image.lceda.cn/pullimage/YLkPLbhJzaC2gofuM32Cvcfl4w3KEOyKLAdVXoNq.jpeg" width="731" height="548" alt="YLkPLbhJzaC2gofuM32Cvcfl4w3KEOyKLAdVXoNq.jpeg"></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;"><span style="color:#000000;font-size:16px;"><strong>⚫成品背面照:</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;"><span style="color:#000000;font-size:16px;"><strong><img src="//image.lceda.cn/pullimage/ALXXqoZCAf39yw58pNXqNNfwKm7AY5QGER0tzxf3.jpeg" width="728" height="546" alt="ALXXqoZCAf39yw58pNXqNNfwKm7AY5QGER0tzxf3.jpeg"></strong></span></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;"><span style="color:#000000;font-size:24px;">🎲</span><span style="font-size:24px;">项目属性</span></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;"><span style="color:#000000;font-size:16px;"><strong>⚫本项目为首次公开、本人原创。</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;"><span style="color:#000000;font-size:16px;"><strong>⚫此项目实测整机峰值功耗1W左右、工作时平均0.6W、充电功率3W。</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;"><span style="color:#000000;font-size:16px;"><strong>⚫本项目使用FREERTOS实时操作系统开发。</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><strong><span style="font-size:24px;">⚠注意</span></strong><strong><span style="font-size:24px;">⚠</span></strong></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;"><span style="color:#000000;font-size:16px;"><strong><span style="font-size:12px;">⚫免责声明:本产品仅供学习交流,请勿将本产品用作安全或紧急停止装置,也不要用于产品故障可能导致人身伤害的任何其他应用场合。</span></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;"><span style="color:#000000;font-size:16px;"><strong><span style="color:#e03e2d;">❗</span><span style="color:#000000;">SGP30传感器读数(TVOC、</span><span style="color:#000000;" xml:lang="zh">CO<sub>2</sub></span><span style="color:#000000;">)在初始化后人为向环境中添加酒精蒸气或氢气的影响下读数会异常。(来自数据手册)</span></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;"><span style="color:#000000;font-size:16px;"><strong><span style="color:#e03e2d;">❗<span style="color:#000000;">SHT20</span></span><span style="color:#000000;">传感器可能受周边元器件发热影响,温度可能会高1~4℃,需要进设置手动校准。<span style="font-size:12px;">(充电中TP4056芯片发热导致温度测量无意义).</span><span style="text-decoration:line-through;"><span style="font-size:12px;">看来开槽都没用</span></span></span></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> <h2><span style="font-size:24px;">📅项目迭代</span></h2> <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;"><span style="font-size:14px;"><strong>⚫<span style="font-size:16px;">项目进度:</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/9/19:软件更新(v2.3):完善了部分功能设置、新增了设置保存功能、优化了按键控制体验、去除了部分无用变量、修复了一些已知问题。</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/9/12:软件更新(v2.2):修复了OLED屏幕上电初始化失败问题、优化了IIC传感器读取、增加了主页显示内容。</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/9/08:硬件更新:修复了Ch340干扰传感器发送数据的问题,现在只接了MCU的串口发送。修复了1.8V电平转换芯片OE引脚连接错误问题。</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/9/05:完成作品软件2.0版本</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/8/27:完成作品软件1.0版本</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/8/14:完成作品硬件设计</span></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;"><span style="font-size:14px;"><strong><span style="font-size:16px;">2022/8/07:完成作品构思</span></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> <h2>📜<span style="font-size:24px;">开源协议</span></h2> <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;"><span style="font-size:14px;"><strong>⚫<span style="font-size:16px;">本项目硬件部分基于 <a href="/posts/3203787b8f8044748469e47caf39c5ef" target="_blank"><span style="text-decoration:underline;">CC-BY-SA 3.0</span></a> 许可进行开源。</span></strong></span></p> <p class="ql-align-left"><span style="font-size:14px;"><strong class="ql-size-13">CC</strong><span class="ql-size-13">:</span><span class="ql-size-13">知识共享许可协议</span><span class="ql-size-13">(英语:</span><span class="ql-size-13">Creative Commons license</span><span class="ql-size-13">)</span><span class="ql-size-13">的缩写。</span></span></p> <p class="ql-align-left"><span style="font-size:14px;"><strong class="ql-size-13">BY</strong><span class="ql-size-13">:署名,您必须给出适当的署名,提供指向本许可协议的链接,同时标明是否(对原始作品)作了修改。</span></span></p> <p class="ql-align-left"><span style="font-size:14px;"><strong class="ql-size-13">SA:</strong><span class="ql-size-13">相同方式共享,如果您 再混合、转换或者基于本作品进行创作,您必须基于与原先许可协议相同的许可协议分享发布您贡献的作品。</span></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="font-size:14px;"><strong>⚫<span style="font-size:16px;">本项目固件部分基于 <span style="text-decoration:underline;"><a href="https://github.com/Sakurashiling/Portable-tabletop-air-quality-monitor/blob/master/LICENSE" target="_blank">Apache License 2.0</a></span> 许可进行开源。</span></strong></span></p> <p style="line-height:1.8;"> </p> <h2>🍭<span style="font-size:24px;">项目功能介绍</span></h2> <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;">⚫<span style="color:#000000;font-size:16px;">实时监测空气温度、湿度、二氧化碳、TVOC、空气PM1.0 PM2.5 PM10浓度、空气悬浮颗粒物数量(0.3/0.5/1.0/2.5/5.0/10纳米)。</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:#000000;"><span style="font-size:16px;">设置-系统信息可查看各设置项的状态、固件版本、电池状态。</span></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:#000000;"><span style="font-size:16px;">可以设置首页定时自动翻页、屏幕亮度、显示温度校准、省电模式、数据上报周期。</span></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:#000000;"><span style="font-size:16px;">设置项保存在MCU内部Flash中,断电不丢失。</span></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:#000000;"><span style="font-size:16px;">使用拨动开关控制电池供电。屏幕上方两个按键来控制,支持长短按。</span></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:#000000;font-size:16px;">通过0.96寸OLED屏幕</span><span style="color:#000000;font-size:16px;">实时显示空气各项参数。</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:#000000;font-size:16px;">可以根据场景调节传感器周期开启,进而降低功耗</span><span style="color:#000000;font-size:16px;">。<span style="font-size:14px;">(<strong>后续计划</strong><strong>完成</strong>)</span></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:#000000;font-size:16px;">通过ESP-01S</span><span style="color:#000000;font-size:16px;">可以实时上报各项参数。<span style="font-size:14px;">(<strong>后续计划</strong><strong>完成</strong>)</span></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> <h2>🛠️<span style="font-size:24px;">硬件部分<span style="text-decoration:line-through;"><span style="font-size:18px;">(硬核)</span></span></span></h2> <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/PYAiHzwPSsoAmh3SYs9tBP2l1N0dI9yhjT5PWegA.png" alt="PYAiHzwPSsoAmh3SYs9tBP2l1N0dI9yhjT5PWegA.png"></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;"><span style="background-color:#f8cac6;"> <span style="font-size:16px;color:#000000;background-color:#f8cac6;"><strong><span style="font-size:18px;background-color:#f8cac6;">📻电源部分:</span></strong></span></span></p> <p><strong><span style="font-size:16px;"><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;">电源输入部分:</span></span></span></strong></p> <p><span style="font-size:16px;color:#000000;"><strong><span class="content-link-text">电路图:</span></strong></span></p> <p><img src="//image.lceda.cn/pullimage/jMBIsqKJu6IuI1rNR3rOoe9EP5vDWnsR8u9qKp0G.png" alt="jMBIsqKJu6IuI1rNR3rOoe9EP5vDWnsR8u9qKp0G.png" width="321" height="303"><img src="//image.lceda.cn/pullimage/8dwz5nOtGFfqwdwlVOZlXT0METwiu40cbIXfp5RP.png" alt="8dwz5nOtGFfqwdwlVOZlXT0METwiu40cbIXfp5RP.png" width="254" height="301"></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼USB-C端口的CC1&CC2分别5.1K电阻下拉。使用<span style="color:#000000;">👉</span> <a class="blue ellipsis product-name-link" title="PTVSHC1DF7VB" href="https://item.szlcsc.com/111975.html" target="_blank">PTVSHC1DF7VB</a> <span style="color:#000000;">&</span> <a class="blue ellipsis product-name-link" title="PRTR5V0U2X" href="https://item.szlcsc.com/2973370.html" target="_blank">PRTR5V0U2X</a> <span style="color:#000000;">👈对电路进行EDS保护。</span></span></strong></span></p> <p> </p> <p><strong><span style="font-size:16px;"><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;">锂电池&电池ADC部分:</span></span></span></strong></p> <p><span style="font-size:16px;color:#000000;"><strong><span class="content-link-text">电路图:</span></strong></span></p> <p><img src="//image.lceda.cn/pullimage/KNuU7UZmCYmaZeVk6ZzYMimokcMWQFXuns2eaBUa.png" alt="KNuU7UZmCYmaZeVk6ZzYMimokcMWQFXuns2eaBUa.png" width="557" height="316"></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼本项目的开关(封装修改过)直接切断电池电源,电池使用1A左右保险丝。电池ADC采用10:1分压,并联电容消除抖动。</span></strong></span></p> <p> </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="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>5V稳压供电部分:</strong></span></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong><img src="//image.lceda.cn/pullimage/nDxEDj9Uwebd1shZPaOPYLXqXZpkTvnXC3Fk8ac5.png" alt="nDxEDj9Uwebd1shZPaOPYLXqXZpkTvnXC3Fk8ac5.png" width="160" height="143"></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong>👉 <a class="blue ellipsis product-name-link" title="升压型 Vin=2V~24V Vout=28V" href="https://item.szlcsc.com/79296.html" target="_blank">SX1308</a> 👈</strong></span></p> <p><span style="font-size:12px;">机翻:SX1308是一个恒频,6脚SOT23电流模式升压变换器,用于小,低功率应用。SX1308开关频率为1.2MHz,允许使用微小、低成本的电容和高度不超过2毫米的电感。内部软启动导致小涌流,延长电池寿命。</span></p> <p><span style="font-size:12px;">SX1308具有轻负载时自动切换到脉冲频率调制模式的功能。SX1308包括欠压锁定、限流和热过载保护,以防止在输出过载时损坏。SX1308是一个小的6针SOT-23封装。</span></p> <p><span style="font-size:16px;color:#000000;"><strong><span class="content-link-text">电路图:</span></strong></span></p> <p><span style="font-size:14px;"><strong><span class="content-link-text"><img src="//image.lceda.cn/pullimage/49mlsV49gNuT804usDjfsCe0zPKfrG7s8WVcuCVC.png" alt="49mlsV49gNuT804usDjfsCe0zPKfrG7s8WVcuCVC.png"></span></strong></span></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼本次项目使用了SX1308作为5V的稳压供电输出控制,输出电压控制:<span style="font-size:16px;">(</span>Vout=0.6V*(1+<span style="color:#2dc26b;">上分压电阻R13</span>/<span style="color:#e03e2d;">下分压电阻R14</span>)=5V<span style="font-size:16px;">)。</span></span></strong></span></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼本次项目使用了PMOS用来在外部电源接入时切断电池供电使用外部供电给系统供电(因为PMOS的特性电压不会倒灌损坏电池),同时单独给电池充电。</span></strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:此部分电路需最先焊接检查,防止因为焊接原因导致输出异常电压损坏板子!</strong></span></p> <p> </p> <p><strong><span style="font-size:16px;"><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;">锂电池充电部分:</span></span></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong><img src="//image.lceda.cn/pullimage/mP4A6kM0Re4Ilgeuv4qU2OJZfI4PRselPZ66TWda.png" alt="mP4A6kM0Re4Ilgeuv4qU2OJZfI4PRselPZ66TWda.png" width="158" height="148"></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong>👉 <a class="blue ellipsis product-name-link" title="TC4056A A档" href="https://item.szlcsc.com/85219.html" target="_blank">TC4056A</a> 👈</strong></span></p> <p><span style="font-size:12px;">TC4056A 是一款完整的单节锂离子电池采用恒定电流/恒定电压线性充电器。其底部带有散热片的 ESOP8/DIP8 封装与较少的外部元件数目使得 TC4056A 成为便携式应用的理想选择。</span></p> <p><span style="font-size:16px;color:#000000;"><strong><span class="content-link-text">电路图:</span></strong></span></p> <p><img src="//image.lceda.cn/pullimage/rB1qKHpnwGfOYHRlpMaZZmjLXZRMVMyiJkzORFDy.png" alt="rB1qKHpnwGfOYHRlpMaZZmjLXZRMVMyiJkzORFDy.png" width="328" height="280"></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼本次项目<span xml:lang="en-us">需要根据自己的电池容量通过芯片数据手册来选择合适的电阻来进行限制充电电流。我选用了550mah的电池,所以把充电电流限制在了580MA(2脚PROG对地2K)。</span></span></strong></span></p> <p> </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;background-color:#c2e0f4;"><strong><span style="font-size:18px;background-color:#c2e0f4;">📻主控部分:</span></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;"><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>传感器采集MCU:</strong></span></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong><img src="//image.lceda.cn/pullimage/ONhMjPLQkgCg5bKgweIYTJTjqphdXH8hnHgc5MT1.png" alt="ONhMjPLQkgCg5bKgweIYTJTjqphdXH8hnHgc5MT1.png" width="154" height="109"></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;padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong>👉 <a class="content-link" href="https://item.szlcsc.com/3571707.html" target="_blank"><span class="content-link-text">N32G430C8L7</span></a> 👈</strong></span></p> <p><span style="font-size:12px;"><span class="content-link-text">N32G430C8L7 </span>微控制器,产品采用高性能 32 位 ARM Cortex™-M4F 内核,集成浮点运算单元(FPU)和数字信号处理(DSP),支持并行计算指令。最高工作主频 128MHz,集成高达64KB片内加密存储Flash,并支持多用户分区权限管理,支持16KB 的嵌入式 SRAM。内置一个内部高速 AHB 总线,两个低速外设时钟总线 APB 及总线矩阵,支持40个可复用 I/Os,提供丰富的高性能模拟接口,包括1个12位 4.7Msps ADC,支持16个外部输入通道和3个内部通道,同时提供多种数字通信接口,包括 4个U(S)ART、2个I2C、2个SPI/I2S、1个CAN 2.0B通信接口。N32G430C8L7 微控制器产品可稳定工作于-40°C 至+105°C的温度范围,供电电压2.4V至3.6V,提供多种功耗模式供用。</span></p> <p><span style="font-size:16px;color:#000000;"><strong><span class="content-link-text">电路图:</span></strong></span></p> <p><span style="font-size:14px;"><strong><span class="content-link-text"><img src="//image.lceda.cn/pullimage/4MoxhJ4CphgU7XZb6TMqKLFpgILtGrJQB2gqnMU3.png" alt="4MoxhJ4CphgU7XZb6TMqKLFpgILtGrJQB2gqnMU3.png"></span></strong></span></p> <p><span style="font-size:14px;"><strong><span class="content-link-text">◼本次项目采用了 N32G430C8L7 </span>微控制器,第一次使用国产单片机开发,移植操作系统。感觉跟STM32开发区别不大。</strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:</strong></span>芯片的每个电源的引脚都需要在附近接一个<strong>100nF的去耦电容</strong>,芯片的<strong>1脚</strong>需要接<strong>4.7uf的旁路电容</strong>。</p> <p> </p> <p><span style="text-decoration:underline;"><span style="color:#2dc26b;text-decoration:underline;"><strong><span style="font-size:16px;">WIFI联网上报模组:</span></strong></span></span></p> <p style="padding-left:40px;"><img src="//image.lceda.cn/pullimage/OXbLaQ6EDcVMUliryAnUWpIAWsVEMcKdy2VeWPIG.png" alt="OXbLaQ6EDcVMUliryAnUWpIAWsVEMcKdy2VeWPIG.png" width="148" height="143"></p> <p style="padding-left:40px;"><span style="font-size:16px;color:#000000;"><strong>👉 <a class="content-link" href="https://item.szlcsc.com/516229.html" target="_blank">ESP-01S</a> 👈</strong></span></p> <p><span style="font-size:12px;"><span xml:lang="en-us">ESP-01S </span>是由安信可科技开发的<span xml:lang="en-us">Wi-Fi</span>模块,该模块核心处理器<span xml:lang="en-us"> ESP8266 </span>在较小尺寸封装中集成了业界领先的<span xml:lang="en-us"> Tensilica L106 </span>超低功耗<span xml:lang="en-us"> 32 </span>位微型<span xml:lang="en-us"> MCU</span>,带有<span xml:lang="en-us"> 16 </span>位精简模式,主频支持<span xml:lang="en-us"> 80 MHz </span>和<span xml:lang="en-us"> 160 MHz</span>,支持<span xml:lang="en-us"> RTOS</span>,集成<span xml:lang="en-us"> Wi-Fi MAC/ BB/RF/PA/LNA</span>。</span></p> <p><span style="font-size:12px;"><span xml:lang="en-us">ESP-01S Wi-Fi </span>模块支持标准的<span xml:lang="en-us"> IEEE802.11 b/g/n </span>协议,完整的<span xml:lang="en-us"> TCP/IP </span>协议栈。用户可以使用该模块为现有的设备添加联网功能,也可以构建独立的网络控制器。</span></p> <p><span style="font-size:12px;"><span xml:lang="en-us">ESP8266 </span>是高性能无线<span xml:lang="en-us"> SoC</span>,以最低成本提供最大实用性,为<span xml:lang="en-us"> Wi-Fi </span>功能嵌入其他系统提供无限可能。</span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;">电路图:</span></span></span></strong></span></p> <p><img src="//image.lceda.cn/pullimage/jS968IolGQhY5VFl7ROGpkD6LzMALBZAcJDFg6UY.png" alt="jS968IolGQhY5VFl7ROGpkD6LzMALBZAcJDFg6UY.png"></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼本项目的想法是在后边加一个定时上报的功能,通过拉低引脚的电平给MCU一个信号,MCU通过串口来发送现在的空气质量信息给ESP-01S。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:</strong><span style="font-size:14px;">模组的<strong>6(EN)</strong>、<strong>7(RST)</strong>引脚需要分别接<strong>10K电阻</strong>上拉,<strong>3(IO0)</strong>下载/运行选择引脚保持悬空或者<strong>10K电阻</strong>上拉。</span></span></p> <p> </p> <p><span style="font-size:18px;background-color:#bfedd2;"><strong>📺显示器:</strong></span></p> <p><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>OLED显示:</strong></span></span></p> <p style="padding-left:40px;"><img src="//image.lceda.cn/pullimage/f4IyJHpgHPQaTFFPFEtpgUs559ZPY0jK4DH2OSp8.png" alt="f4IyJHpgHPQaTFFPFEtpgUs559ZPY0jK4DH2OSp8.png" width="140" height="147"><img src="//image.lceda.cn/pullimage/uKm5O7ADdau1LLqQtFLMV3ur6YlDzDl60tTckjRB.png" alt="uKm5O7ADdau1LLqQtFLMV3ur6YlDzDl60tTckjRB.png" width="158" height="139"></p> <p style="padding-left:40px;"><span style="font-size:18px;"><strong><span style="color:#000000;font-size:16px;">👉 <a href="https://item.taobao.com/item.htm?id=562145367495" target="_blank">0.96OLED</a> 👈</span></strong></span></p> <p><span class="content-link-text" style="font-size:12px;">本模块采用<span xml:lang="en-us"> SSD1306 </span>为主芯片,像素为<span xml:lang="en-us"> 128*64</span>,通讯方式为 <span xml:lang="en-us">IIC</span>,地址可选(默认地址<span xml:lang="en-us"> 0x78</span>),接口简单,模块带有稳压芯片,支持<span xml:lang="en-us"> 3.3V~5V </span>电压供电,上电自动复位,自发光自由视角,功耗低。</span></p> <p> </p> <p><span style="font-size:18px;background-color:#eccafa;"><strong>📈传感器:</strong></span></p> <p><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>悬浮颗粒物浓度传感器:</strong></span></span></p> <p style="padding-left:40px;"><img src="//image.lceda.cn/pullimage/T2R5HSKdNTVCdqntJokZd6jy9YQGY6WRbqD5GYIl.png" alt="T2R5HSKdNTVCdqntJokZd6jy9YQGY6WRbqD5GYIl.png" width="180" height="165"></p> <p style="padding-left:40px;"><span style="font-size:18px;"><strong><span style="color:#000000;font-size:16px;">👉 <a class="content-link" href="https://item.szlcsc.com/85986.html" target="_blank"><span class="content-link-text">PMS7003</span></a> 👈</span></strong></span></p> <p><span style="font-size:12px;"><span xml:lang="en-us">PMS70XX </span>系列是一款超薄数字式通用颗粒物浓度传感器,可以用于获得单位体积内空气中悬浮颗粒物个数,即颗粒物浓度,并以数字接口形式输出。本传感器可嵌入各种与空气中悬浮颗粒物浓度相关的仪器</span></p> <p><span class="content-link-text" style="font-size:12px;">仪表或环境改善设备,为其提供及时准确的浓度数据。</span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;">电路图:</span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;"><img src="//image.lceda.cn/pullimage/SmbfyG1QrASiUPm8PRXwFSzX2knzVzQNoqzSFCXR.png" alt="SmbfyG1QrASiUPm8PRXwFSzX2knzVzQNoqzSFCXR.png"></span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼上图的R5在本次项目不需要焊接;R21焊接0R电阻。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼在本次项目开发时为出厂默认模式(自动上报)用串口中断的方式接收数据,所以在不需要控制上报频率的场景只用接一根串口线接收数据就行了。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:传感器的控制引脚直连单片机,不加电阻!默认传感器开机10S后就自动向串口<span style="font-size:14px;">(9600bps)</span>上报数据。</strong></span></p> <p> </p> <p><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>TVOC/eCO2监测传感器:</strong></span></span></p> <p style="padding-left:40px;"><img src="//image.lceda.cn/pullimage/txxwIkAq936sj1jd6w3gY5vNXLmqnhQeOP484JqM.png" alt="txxwIkAq936sj1jd6w3gY5vNXLmqnhQeOP484JqM.png" width="166" height="142"></p> <p style="padding-left:40px;"><strong><span style="color:#000000;font-size:16px;">👉 <a class="content-link" href="https://item.szlcsc.com/529533.html" target="_blank"><span class="content-link-text">SGP30</span></a> 👈</span></strong></p> <p><span style="font-size:12px;">SGP30 是一款数字多像素气体传感器,设计用于轻松集成到空气净化器、按需控制通风和物联网应用中。Sensirion的CMOSens® 技术在单个芯片上提供完整的传感器系统,具有数字I2C接口,温控微型加热板和两个预处理的室内空气质量信号。作为首款在一个芯片上集成多个传感元件的金属氧化物气体传感器,SGP30 提供了有关空气质量的更多详细信息。</span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;">电路图:</span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;"><img src="//image.lceda.cn/pullimage/UDeyEyjkos6UXUPEwpptIyhLVKTP24fY1MDItq8s.png" alt="UDeyEyjkos6UXUPEwpptIyhLVKTP24fY1MDItq8s.png"></span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼上图电路使用了德州仪器的电平转换芯片👉<a class="blue ellipsis product-name-link" title="TXS0102DCUR" href="https://item.szlcsc.com/54450.html" target="_blank">TXS0102DCUR</a> 👈,具备体积小的优点。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼使用<span style="color:#e03e2d;">1.8V</span>电平,通过IIC跟这款传感器通信,这传感器挺难伺候的,要求每隔1S获取一次数值进行自校准。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:请使用1.8V的LDO配合电平转换芯片来使用这颗传感器。为保证传感器精度请在焊接时请使用<span style="color:#e03e2d;">低温快速完成</span>焊接<strong style="font-size:16px;">以及</strong></strong></span><strong style="font-size:16px;">避免</strong><strong style="font-size:16px;"><strong>使用<span style="color:#e03e2d;">洗板水</span>!</strong></strong></p> <p> </p> <p><span style="text-decoration:underline;"><span style="font-size:16px;color:#2dc26b;text-decoration:underline;"><strong>温湿度传感器:</strong></span></span></p> <p style="padding-left:40px;"><img src="//image.lceda.cn/pullimage/W9Fixu3hvcUtFIWCE85QumuSnfHHCkFIiaG24Cuw.png" alt="W9Fixu3hvcUtFIWCE85QumuSnfHHCkFIiaG24Cuw.png" width="164" height="156"></p> <p style="padding-left:40px;"><strong><span style="color:#000000;font-size:16px;">👉 <a href="https://item.szlcsc.com/54881.html" target="_blank">SHT20</a> 👈</span></strong></p> <p><span style="font-size:12px;">SHT20 是一款集成了电容式湿度和带隙温度的传感器,部集成在单个<span xml:lang="zh"> CMOSens<sup>®</sup></span>芯片上。这在精度和稳定性以及最小的功耗方面产生了无与伦比的传感器性能。每个传感器都经过单独校准和测试。批次标识打印在传感器上,电子识别码存储在芯片上 - 可以通过命令读出。此外,SHT2的分辨率可以通过命令更改(RH/T为8/12位至12/14位),校验和有助于提高通信可靠性。</span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;">电路图:</span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text"><span style="font-size:16px;color:#000000;"><img src="//image.lceda.cn/pullimage/vglmMxVT9wrRPBkPbMWeySadjpt5Yx2HEt5ujUYY.png" alt="vglmMxVT9wrRPBkPbMWeySadjpt5Yx2HEt5ujUYY.png"></span></span></span></strong></span></p> <p><span style="font-size:16px;"><strong><span style="font-size:14px;"><span class="content-link-text">◼使用<span style="color:#e03e2d;">3.3V</span>电平,通过IIC跟这款传感器通信,用起来挺方便。</span></span></strong></span></p> <p><span style="font-size:16px;"><strong>❗需要注意的点:此传感器对板子温度非常敏感,需挖槽隔热。焊接时用纸片挡住传感器窗口避免被松香熏到,为保证传感器精度请使用<span style="color:#e03e2d;">低温快速完成</span>焊接<strong style="font-size:16px;">以及</strong><strong style="font-size:16px;">避免</strong><strong style="font-size:16px;">使用<span style="color:#e03e2d;">洗板水</span>!</strong></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 pap-left-indent-1.6em" style="line-height:1.8;"> </p> <h2>⚙️<span style="font-size:24px;">软件部分</span><span style="font-size:24px;"><span style="text-decoration:line-through;"><span style="font-size:18px;">(软核)</span></span></span></h2> <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;"><span style="font-size:16px;color:#000000;"><strong><span style="font-size:14px;">⚫</span>软件使用FREERTOS系统开发。软件源码全部开源,推荐在<span style="color:#e03e2d;background-color:#ecf0f1;"><span style="color:#3598db;">🔗<a title="来点个STAR⭐吧~" href="https://github.com/Sakurashiling/Portable-tabletop-air-quality-monitor" target="_blank">GitHub</a></span></span>下载<span style="text-decoration:line-through;"><span style="font-size:14px;">(如果能点个STAR⭐就更好了😉)</span></span>。</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;"><span style="font-size:16px;color:#000000;"><strong><span style="font-size:14px;">⚫</span>功能思维导图:</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;"><span style="font-size:16px;color:#000000;"><strong><img src="//image.lceda.cn/pullimage/GBBHlOR2XLOXcqyd0q2LHImrDzaXFdTBtmfcGd17.png" alt="GBBHlOR2XLOXcqyd0q2LHImrDzaXFdTBtmfcGd17.png"></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;"><span style="font-size:16px;color:#000000;"><strong><span style="font-size:14px;">⚫</span>软件思维导图:</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;"><img src="//image.lceda.cn/pullimage/naf1Dm69z9WldBMYb0gLbrM0lmedY93pFoJtD7JX.png" width="1169" height="650" alt="naf1Dm69z9WldBMYb0gLbrM0lmedY93pFoJtD7JX.png"></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;"><span style="font-size:24px;">🧻BOM清单</span></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/Oodpgo9KgllYzxQY81iS9c4hDuSYUFqkYHZD5ypj.png" alt="Oodpgo9KgllYzxQY81iS9c4hDuSYUFqkYHZD5ypj.png"></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;"><span style="font-size:24px;">🎨</span><span style="font-size:24px;">大赛LOGO验证</span></h3> <hr class="horizontal-splitline normal-bold-2"><p style="line-height:1.8;"><img src="//image.lceda.cn/pullimage/43tpEJ6Zuy1bSD5EGc4T79UCM4QIX2qMCtapi07c.jpeg" alt="" width="873" height="581"></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;"><span style="font-size:24px;">📺项目演示视频</span></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;">初版视频</p> </div>

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BOM

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附件名 下载
便携桌面空气质量监测仪演示视频.mp4
BOM_立创商城.xls
v2.2myProject.zip

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工程所有者当前已关闭评论
立创电赛 回复
<p>记得在板子上打logo哟</p>
sakura_shiling 回复
<p>好的~已添加!☆(。・∀・)ノ</p>
郑天远辉 回复
<p>学习了</p>
mondraker 回复
<h3>很赞!</h3>
ProjectBer 回复
<p>厉害厉害!</p>
<p>666</p>
etet 回复
<p>这BOM 清单看着是最舒服的</p>
sakura_shiling 回复
<p>那必须滴~= ̄ω ̄=</p>
悠游自如 回复
<p>学习了</p>
BiliDerrick 回复
<p>很完整好专业,赞</p>
ccc7 回复
<p>nice</p>
sakura_shiling 回复
<p>补上效果图╰( ̄ω ̄o)<br><img src="//image.lceda.cn/pullimage/YReXvo4Wdo1Ey1cm6YceFBXfh3TNLWuq6hINa30m.jpeg" alt="实物正面2.jpg"></p>
sakura_shiling 回复
<p>https://www.bilibili.com/video/av645774136</p>
立创电赛 回复
<p>恭喜您在“国民技术N32 MCU杯”第七届立创电子设计开源大赛中获得优秀奖,更多详情见:<a href="https://diy.szlcsc.com/posts/ce62d5686424460db0a26a6b90277d78" target="_blank">https://diy.szlcsc.com/posts/ce62d5686424460db0a26a6b90277d78</a></p>
goxofy 回复
<p>想打一个pcb,这个是几层板子啊</p>
sakura_shiling 回复
<p>双层板,建议把自己把温湿度传感器用FPC排线接出来测量(板子发热影响),否则可能测不准</p>
dhdhhd 回复
<p>请问工程压缩包里,是包含了每个工程吗?</p>
sakura_shiling 回复
<p>是打包的项目代码哦</p>
rier 回复
<p>请问下是要把图上这个排针插座焊接到pcb上用来连接pms7003吗</p><p><img src="//image.lceda.cn/pullimage/jH398OLivXhGYHsTyyOg3fX6IOf8d4QTTb8F2O9r.webp" alt="jH398OLivXhGYHsTyyOg3fX6IOf8d4QTTb8F2O9r.webp"></p>
sakura_shiling 回复
<p>某宝搜1.27mm 2*5P 双排母,是用贴片的</p>
rier 回复
<p>非常感谢!我正纳闷怎么焊这东西呢</p>
dhdhhd 回复
<p>这款检测仪能通过蓝牙用手机端查看信息吗?</p>
sakura_shiling 回复
<p>等我有时间把工程更新了(咕咕咕)</p>
rier 回复
<p>请问下锂电池接口的母座正极是图中的方孔还是圆孔呀,顺便问下锂电池尺寸大小有啥要求嘛</p>
sakura_shiling 回复
<p>我买的是403040电池(3.7V/XH2.54反向插,方孔是正极),然后电池是放在屏幕下边,esp-01S可以反过来焊排针,插背面(!注意引脚对应关系!)</p>
sakura_shiling 回复
<p>esp-01S焊了排针过后,把排针自带的塑料拆了,引脚剪短一点,然后主板的位置焊个排母,可以随时拔下来接烧录器更新固件</p>
rier 回复
<p>收到!</p>
rier 回复
<p>请问下有烧录教学嘛,新手开着文件夹不知道该怎么办,或者告知下bin文件用哪个加上烧录地址?</p>
sakura_shiling 回复
<p>keil5打开工程编译,下载。使用下载器SWD下载方式直接下载就行</p>
rier 回复
<p>收到谢谢大佬</p>
zzzzzzz2q 回复
<p>作者你好,请问后续的ESP-01S上报参数有更新计划吗!</p>
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