<h3 style="line-height:1.8">* 1、项目功能介绍</h3> <hr> <p style="line-height:1.8">本项目复刻自<strong><a href="https://www.yuque.com/wldz/jlceda/nhdssggs78punq4a" target="_blank">🔗【立创训练营】桌面温湿度仪👈</a></strong></p> <p style="line-height:1.8">在原项目基础上，改用0.91寸OLED显示，加入锂电池充放电部分，加入蜂鸣器，通过按键切换显示页面，重新绘制原理图及PCB，减小电路板尺寸，使其更加小巧便携。</p> <p style="line-height:1.8"><strong>项目功能</strong>：</p> <ul> <li style="line-height:1.8">环境温度、湿度</li> <li style="line-height:1.8">按键唤醒、休眠</li> <li style="line-height:1.8">按键切换页面</li> </ul> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*2、项目属性</h3> <hr> <p style="line-height:1.8">此项目复刻自<strong><a href="https://www.yuque.com/wldz/jlceda/nhdssggs78punq4a" target="_blank">🔗【立创训练营】桌面温湿度仪👈</a></strong></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">* 3、开源协议</h3> <hr> <p style="line-height:1.8"><strong><a title="GPL-3.0" href="https://opensource.org/license/GPL-3.0" target="_blank">🔗GPL-3.0👈</a></strong></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*4、硬件部分</h3> <hr> <p style="line-height:1.8">硬件电路参考官方文档，修改了屏幕显示部分，以及电源部分</p> <ul> <li style="line-height:1.8"><strong>主控电路</strong></li> </ul> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/99b4d68ef5534d9292c076c266368ab1.png"></p> <ul> <li style="line-height:1.8"><strong>SHT40电路</strong></li> </ul> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/eb30093b0271401eadeb9b40db8a8aae.png"></p> <ul> <li style="line-height:1.8"><strong>OLED屏幕</strong></li> </ul> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/ace98303720e4b3db59927a9aba08921.png"></p> <ul> <li style="line-height:1.8"><strong>蜂鸣器电路</strong></li> </ul> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/dedad28e1c564ef28a968bfa0b25b2ec.png"></p> <ul> <li style="line-height:1.8"><strong>电源电路</strong></li> </ul> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/03d06f8cbef642a5a7685dc138b09c29.png"></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*5、软件部分</h3> <hr> <p style="line-height:1.8"> </p> <p style="line-height:1.8">使用<a href="https://www.yuque.com/wldz/jlceda/dqetva01onq5tgdz" target="_blank"><strong>🔗stm32cubemx👈</strong></a>软件，快速生成基础代码</p> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/38f58c6b4ae345ed9d5f3badcc8fadbc.png"></p> <table style="border-collapse:collapse;width:73.8949%;height:261.875px"> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><strong>引脚</strong></td> <td style="width:49.9512%;height:19.6007px"><strong>功能</strong></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#2dc26b">PB8</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#2dc26b">SHT40 IIC SCL</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#2dc26b">PB9</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#2dc26b">SHT40 IIC SDA</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#f1c40f">PA11</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#f1c40f">OLED IIC SCL</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#f1c40f">PA12</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#f1c40f">OLED IIC SDA</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#e03e2d">PB5</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#e03e2d">状态按键</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#b96ad9">PA8</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#b96ad9">显示切换</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#3598db">PB1</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#3598db">电压采集</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#169179">PB2</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#169179">蜂鸣器</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#e67e23">PA13</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#e67e23">SWDIO</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#e67e23">PA14</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#e67e23">SWCLK</span></td> </tr> <tr style="height:19.6007px"> <td style="width:49.9512%;height:19.6007px"><span style="color:#ba372a">PC14</span></td> <td style="width:49.9512%;height:19.6007px"><span style="color:#ba372a">RCC_OSC32_IN</span></td> </tr> <tr style="height:26.6667px"> <td style="width:49.9512%;height:26.6667px"><span style="color:#ba372a">PC15</span></td> <td style="width:49.9512%;height:26.6667px"><span style="color:#ba372a">RCC_OSC32_OUT</span></td> </tr> </table> <p style="line-height:1.8">使用i2c1(PB8, PB9)来获取SHT40温湿度数据，i2c2(PA11, PA12)来控制OLED屏幕显示。</p> <p style="line-height:1.8">OLED屏幕显示使用硬件I2C驱动，移植<strong><a href="https://github.com/olikraus/u8g2" target="_blank">🔗u8g2库👈</a></strong>。</p> <p style="line-height:1.8"><span style="background-color:#bfedd2"><a style="background-color:#bfedd2" href="https://www.bilibili.com/video/BV1Wa4y1Z7Uc/" target="_blank"><strong>🔗</strong>B站：STM32 HAL库硬件IIC移植u8g2库👈</a></span></p> <p style="line-height:1.8"> </p> <p style="line-height:1.8">项目工程<strong><a style="background-color:#bfedd2" href="https://pan.baidu.com/s/1d8KGuTHAFmlof1lcyZkdMA?pwd=dll9%C2%A0" target="_blank">🔗百度网盘：TEMP_HUMI_U8👈</a></strong></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*6、BOM清单</h3> <hr> <p style="line-height:1.8"> </p> <p style="line-height:1.8">详情见下方BOM表</p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">*7、大赛LOGO验证</h3> <hr> <p style="line-height:1.8"> </p> <p style="line-height:1.8"><img src="//image.lceda.cn/oshwhub/9b629f9501d343c3ad9725d09e6e2682.png" alt="" width="592" height="400"></p> <p style="line-height:1.8"><span style="color:#95a5a6;font-size:14px"> <span style="text-decoration:underline"><a href="https://image.lceda.cn/easyedaResource/images/d1bbfd69f9404f56901a0e7b849b7245.rar" target="_blank">（大赛标识）.zip</a></span></span></p> <p style="line-height:1.8"> </p> <h3 style="line-height:1.8">* 8、演示您的项目并录制成视频上传</h3> <hr> <p style="line-height:1.8"><span style="color:#95a5a6;font-size:14px">视频要求：请横屏拍摄，分辨率不低于1280×720，格式Mp4/Mov，单个视频大小限100M内；</span></p> <p style="line-height:1.8"><span style="color:#95a5a6;font-size:14px">视频标题：立创电赛：{项目名称}-{视频模块名称}；如立创电赛：《自动驾驶》-团队介绍。</span></p> <p style="line-height:1.8"><span style="font-size:14px"><a href="/posts/de460543d4cf4dacb5f0326612455578" target="_blank">前往查看更多详情 ＞</a></span></p> <p style="line-height:1.8"> </p>