<p><em>* 1<span style="font-family:'宋体';">、项目功能介绍</span></em></p> <p><span style="font-family:'宋体';">智能家庭环境检测器是一种用于监测家庭环境中各项指标的设备，它可以提供有关居住空间内的环境质量的信息。这类检测器通常集成了多种传感器，用以测量不同的环境参数。以下是一些常见的功能和技术特点：</span></p> <p>1. <strong><span style="font-family:'宋体';">温度测量</span></strong><span style="font-family:'宋体';">：监测室内温度，帮助调节空调或供暖系统。</span></p> <p>2. <strong><span style="font-family:'宋体';">湿度测量</span></strong><span style="font-family:'宋体';">：检测空气湿度水平，对于预防霉菌生长和维持舒适环境非常重要。</span></p> <p>3. <strong><span style="font-family:'宋体';">空气质量监测</span></strong><span style="font-family:'宋体';">：包括二氧化碳（</span>CO₂<span style="font-family:'宋体';">）、挥发性有机化合物（</span><span style="font-family:Calibri;">VOCs</span><span style="font-family:'宋体';">）和其他有害气体的浓度，有助于识别污染源并改善通风。</span></p> <p>4. <strong><span style="font-family:'宋体';">光照强度</span></strong><span style="font-family:'宋体';">：用于自动调节照明系统或评估自然光的充足程度。</span></p> <p><br><em>*2<span style="font-family:'宋体';">、项目属性</span></em><br><span style="font-family:'宋体';">项目是首次公开，在学校参加过答辩</span><br><br><em>*3<span style="font-family:'宋体';">、硬件部分</span></em></p> <p><span style="font-family:'宋体';">智能家庭环境检测器是一种用于监测家庭环境中各种参数的设备，可以帮助用户了解室内空气质量、温度、湿度、光照强度等信息。下面是智能家庭环境检测器的一些硬件描述要点：</span></p> <h3><strong><span style="font-family:'宋体';">1. 微控制器单元（MCU）</span></strong></h3> <p>· <strong><span style="font-family:'宋体';">核心处理器</span></strong><span style="font-family:'宋体';">：通常使用高性能且低功耗的</span>MCU<span style="font-family:'宋体';">（如</span><span style="font-family:Calibri;">STM32</span><span style="font-family:'宋体';">系列），用于处理传感器数据、执行算法和控制通信模块。</span></p> <p>· <strong><span style="font-family:'宋体';">功能</span></strong><span style="font-family:'宋体';">：负责接收来自各个传感器的数据，进行必要的计算，并决定如何处理这些数据。</span></p> <h3><strong><span style="font-family:'宋体';">2. 传感器模块</span></strong></h3> <p>· <strong><span style="font-family:'宋体';">温湿度传感器</span></strong><span style="font-family:'宋体';">：如</span>DHT11/DHT22<span style="font-family:'宋体';">或</span><span style="font-family:Calibri;">SHT31</span><span style="font-family:'宋体';">，用于测量环境的温度和湿度。</span></p> <p>· <strong><span style="font-family:'宋体';">光照传感器</span></strong><span style="font-family:'宋体';">：如</span>BH1750<span style="font-family:'宋体';">或</span><span style="font-family:Calibri;">TSL2591</span><span style="font-family:'宋体';">，用于测量室内的光线强度。</span></p> <p>· <strong><span style="font-family:'宋体';">空气质量传感器</span></strong><span style="font-family:'宋体';">：如</span>MQ<span style="font-family:'宋体';">系列气体传感器、</span><span style="font-family:Calibri;">BME280</span><span style="font-family:'宋体';">或</span><span style="font-family:Calibri;">Sensirion SGP30</span><span style="font-family:'宋体';">，用于监测</span><span style="font-family:Calibri;">CO₂</span><span style="font-family:'宋体';">浓度、</span><span style="font-family:Calibri;">VOC</span><span style="font-family:'宋体';">（挥发性有机化合物）水平以及其他有害气体。</span></p> <p> </p> <p>*4<span style="font-family:'宋体';">、软件部分</span></p> <p>1. </p> <p><strong><span style="font-family:'宋体';">初始化模块</span></strong><span style="font-family:'宋体';">：</span></p> <p>2. </p> <p>o <span style="font-family:'宋体';">初始化延时函数</span> (delay_init)<span style="font-family:'宋体';">。</span></p> <p>o <span style="font-family:'宋体';">初始化</span>ADC<span style="font-family:'宋体';">通道 </span><span style="font-family:Calibri;">(</span>Adc1_Channe_Init)<span style="font-family:'宋体';">。</span></p> <p>o <span style="font-family:'宋体';">初始化按键</span> (KEY_Init)<span style="font-family:'宋体';">。</span></p> <p>o <span style="font-family:'宋体';">初始化</span>LED (LED_Init)<span style="font-family:'宋体';">。</span></p> <p>o <span style="font-family:'宋体';">初始化</span>OLED<span style="font-family:'宋体';">屏幕 </span><span style="font-family:Calibri;">(</span>OLED_Init)<span style="font-family:'宋体';">。</span></p> <p>3. </p> <p><strong><span style="font-family:'宋体';">变量声明</span></strong><span style="font-family:'宋体';">：</span></p> <p>4. </p> <p>o DHT11_Temp <span style="font-family:'宋体';">和</span><span style="font-family:Calibri;"> </span>DHT11_Hum <span style="font-family:'宋体';">分别存储从</span><span style="font-family:Calibri;">DHT11</span><span style="font-family:'宋体';">传感器读取的温度和湿度。</span></p> <p>o Pre <span style="font-family:'宋体';">存储压力传感器的读数（未在代码中使用）。</span></p> <p>o gz_value <span style="font-family:'宋体';">和</span><span style="font-family:Calibri;"> </span>m2_value <span style="font-family:'宋体';">分别存储光强传感器和另一种传感器（可能是</span><span style="font-family:Calibri;">PM2.5</span><span style="font-family:'宋体';">或其他）的读数。</span></p> <p>o A_DHT11_Temp, A_DHT11_Hum, A_gz_value, A_m2_value <span style="font-family:'宋体';">分别存储温度、湿度、光强和其他传感器的报警阈值。</span></p> <p>5. </p> <p><strong><span style="font-family:'宋体';">主循环</span></strong><span style="font-family:'宋体';">：</span></p> <p>6. </p> <p>o <span style="font-family:'宋体';">每次循环调用</span> Get_Data <span style="font-family:'宋体';">函数获取传感器数据。</span></p> <p>o <span style="font-family:'宋体';">检查温度、湿度和</span>m2_value<span style="font-family:'宋体';">是否超出设定的阈值，如果超出，则改变蜂鸣器的状态。</span></p> <p>o <span style="font-family:'宋体';">扫描按键，如果检测到按键</span>2<span style="font-family:'宋体';">被按下，则切换显示模式。</span></p> <p>o <span style="font-family:'宋体';">根据</span> display_contrl <span style="font-family:'宋体';">的值交替显示不同的信息。</span></p> <p>o <span style="font-family:'宋体';">调用</span> Canshu_Change <span style="font-family:'宋体';">函数根据按键输入修改报警阈值。</span></p> <p>o <span style="font-family:'宋体';">延迟</span>100<span style="font-family:'宋体';">毫秒。</span></p> <p>7. </p> <p><strong><span style="font-family:'宋体';">按键修改报警阈值</span></strong><span style="font-family:'宋体';">：</span></p> <p>8. </p> <p>o <span style="font-family:'宋体';">如果按键</span>1<span style="font-family:'宋体';">被按下，则进入一个子菜单，允许用户通过按键</span><span style="font-family:Calibri;">3</span><span style="font-family:'宋体';">和</span><span style="font-family:Calibri;">4</span><span style="font-family:'宋体';">来增加或减少报警阈值。</span></p> <p>o <span style="font-family:'宋体';">使用按键</span>2<span style="font-family:'宋体';">退出子菜单并返回主界面。</span></p> <p>9. </p> <p><strong><span style="font-family:'宋体';">获取数据函数</span></strong><span style="font-family:'宋体';">：</span></p> <p>10. </p> <p>o <span style="font-family:'宋体';">读取</span>DHT11<span style="font-family:'宋体';">传感器的温度和湿度数据。</span></p> <p>o <span style="font-family:'宋体';">读取光强传感器和另一个传感器的值，并进行相应的处理。</span></p> <p><br><em>*5<span style="font-family:'宋体';">、</span><span style="font-family:'Times New Roman';">BOM</span><span style="font-family:'宋体';">清单</span></em><br><span style="font-family:'宋体';">上传附件查看</span></p>