【短时天气预报系统】v0.0.1实现
<p><strong><span style="font-size:16px;">下周出行，交作业</span></strong></p><p><span style="font-size:24px;"><span style="color:#f39c12;"><strong><span style="font-family:"微软雅黑",sans-serif">作品简介</span></strong></span></span></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">楼主所处坐标对流天气比较多，天气闷热潮湿</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">默默盯了下，一天晾晒的衣物进进出出五六趟</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">心中万马奔腾</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">手机app天气预报？气象预警短信？</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">上图以示吐槽</span></span></span></strong></p>
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<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">基操懒喷，自己动手，丰衣足食</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">回忆了一下小时候常听到的谚语：燕子低飞要下雨</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">然后，放狗恶补了一下，习得一句话：高压辐散，低压辐合。</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">大概意思就是，气压下降表示坏天气即将到来。反之则是好天气要到来</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">气压变化斜率越大，天气变化越剧烈</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">盘它！</span></span></span></strong></p>
<p style="text-align:justify"><strong><span style="font-size:16px;"><span style="font-family:"微软雅黑",sans-serif">然后就出来这么个缝合怪</span></span></strong></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"微软雅黑",sans-serif">其实就是想预测一下，周围几公里范围内可能的天气情况</span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:24px;"><span style="color:#f39c12;"><strong><span style="font-family:"微软雅黑",sans-serif">系统框图及各部分说明</span></strong></span></span></p>
<p style="text-align:justify"><strong><span style="font-size:16px;">下图是系统硬件框架简图</span></strong></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">outDoor</span></span><span style="font-family:"微软雅黑",sans-serif">端置于室外，定时采集气压湿度数据，通过蓝牙广播四处发射</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">indoor</span></span><span style="font-family:"微软雅黑",sans-serif">端置于室内，不断扫描周边蓝牙设备，获得特定设备的广播数据，然后分析预测天气，送屏显示。</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">这里outDoor和inDoor并不进行蓝牙连接，仅通过一定格式的蓝牙广播数据来传递数据。</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">类似一个beacon。</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">先看看outDoor端</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">基于RSL10的特性，设计为室外太阳能取电</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">BQ25570+3v</span></span><span style="font-family:"微软雅黑",sans-serif">太阳能滴胶板+70F法拉电容的组合</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">通过反馈电阻的配置</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">电容充电电压设置为3.8v，后级供电电压为1.8v</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">正午阳光充足条件下，充电电流大约20mA</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">每180秒进行一次来自BME280气压、湿度、温度的天气数据采集</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">然后进行间隔40ms的强力广播，持续6秒</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">实测平均电流小于12uA，70F锂离子电容器可维持80天以上的续航</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">只要不是极夜情况，应该可以持续工作到坏</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">PCB</span></span><span style="font-family:"微软雅黑",sans-serif">及合体状态</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">再来看看inDoor端</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">室内端相对比较简单</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">1200mAh</span></span><span style="font-family:"微软雅黑",sans-serif">锂电池+充电及LDO电路+三向按键+eink屏的组合</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">本来想通过三向按键做一些交互</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">但是eink的显示速度实在是难以忍受，放弃</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">indoor</span></span><span style="font-family:"微软雅黑",sans-serif">装置会配置为间隔100ms扫描</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">扫描窗口50ms</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">持续不断</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">实测平均工作电流大约是1mA</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"微软雅黑",sans-serif">预计续航时间大约一个月</span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong>合体后：</strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">丢上源码和图纸</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">业余操作，大拿轻喷</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:24px;"><span style="color:#f39c12;"><strong><span style="font-family:"微软雅黑",sans-serif">作品功能演示</span></strong></span></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">拍个片，简要介绍一下</span></span></strong></span></p>
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<iframe allowfullscreen="true" frameborder="0" height="510" src="https://training.eeworld.com.cn/shareOpenCourseAPI?isauto=true&lessonid=30537" style="background:#eee;margin-bottom:10px;" width="750"></iframe><br />
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<p style="text-align:justify"><span style="font-size:24px;"><span style="color:#f39c12;"><strong><span style="font-family:"微软雅黑",sans-serif">项目总结</span></strong></span></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">其实有些特种领域也是比较多用到这种短时小范围的天气预报系统</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">比方民航机场</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">不过考虑的气象参数更多</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">需要比较深入地去理解各种气象参数的含义</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">简单喷一下楼主的项目</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">Outdoor</span></span><span style="font-family:"微软雅黑",sans-serif">端感觉勉强堪用</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">如果能够使用小型的百叶箱，可能气象数据会更加准确</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">但是Indoor端部分设计有一定的遗憾</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">譬如eink模组的性能、RSL的待机处理等</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">应该可以进一步提升待机时间</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">另外天气的预测，只是完全拍脑瓜的处理</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">并且是用最基础的气压变化来粗暴预测，还有湿度变化等很多因素没有考虑进来</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">其实仔细想想，或许搞个MPU，整点机器学习算法</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span lang="EN-US"><span style="font-family:"微软雅黑",sans-serif">RSL10</span></span><span style="font-family:"微软雅黑",sans-serif">纯负责数据的采集，广播给MPU去运算</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">可能效果会更好</span></span></strong></span></p>
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<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">有兴趣可以去看看下面的设计过程</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1162964-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】平台上手</span></a></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1164342-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】随便盘盘</span></a></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1165736-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】方案规划</span></a></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1166491-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】indoor装置基本外设使用</span></a></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1168165-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】outdoor装置基本设计与实现 </span></a></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><a href="https://bbs.eeworld.com.cn/thread-1169551-1-1.html"><span style="color:#2ecc71;">【短时天气预报系统】indoor装置基本功能实现</span></a></strong></span></p>
<p style="text-align:justify"> </p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">先到这里吧</span></span></strong></span></p>
<p style="text-align:justify"><span style="font-size:16px;"><strong><span style="font-family:"Times New Roman",serif"><span style="font-family:"微软雅黑",sans-serif">谢谢各方！</span></span></strong></span></p>
<p>大佬的作品非常赞啊！</p>
<p>很实用。<img height="52" src="https://bbs.eeworld.com.cn/static/editor/plugins/hkemoji/sticker/facebook/pleased.gif" width="48" /></p>
<p>大佬很厉害</p>
很厉害的样子！！！
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