<h3 style="line-height: 1.8;">* 1、项目功能介绍</h3> <hr> <p style="line-height: 1.8;">基于STC32G12K128和SHT40温湿度传感器制作的环境温度检测仪</p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/oshwhub/a6675f66119042ae81b2cee333f60e49.png" alt="" width="1080" height="607"></p> <p style="line-height: 1.8;">使用STC32G12K128-35I-LQFP64制作的最小系统板，引出所有可用引脚，板载蜂鸣器、4PIN、7PIN0.96" OLED显示屏接口，SHT40-AD1B-R2温湿度计传感器。温湿度计可以焊接到主板或者对于焊接没有信心的可以焊接一个4PIN 1.27MM弯针座子插入商城封装好的温湿度计模块。</p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/orGgqvEV8614LV9dIvS779RYF2BtaY5DqzI7b9WY.png"></p> <p style="line-height: 1.8;"> </p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/uzVd8IVHZjM1JnhpMsNMa8rkuWwCNcztJ9GptyuU.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/YW7aBCGYnFwoPX0TVDz1K624NBp5rBJm71XpPJi7.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/1WdhQAB5mN8ImtfNfOE9P2qXV0sMuBiEPXIzCwyJ.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/iRaUL0RW9hOkTGgSDRIZe5ApZBDnKbLTbcIqYxuO.png"><img src="//image.lceda.cn/pullimage/zguxLOBVpdcISmBlPd2VENSWoYyLIUqGy0aHwzRB.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/GQZ3A1WyZu4iI5CrrS1L55necWBR5t0oZAIIziNE.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/oMxM9ucS4CZaRneSkMprorg3PT1Tsk2tO5L7POFR.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/tpiCOQJ08dMi2QzrVjOhnUvsjqvNhZyPIPhF7QSs.png"></p> <p style="line-height: 1.8;"> </p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/jDnie2kVnKTwpMQe8wTTDqQLuG35rEKdfwlwsyNp.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/zaYMMC7tDQXBs7IsPRSDTMiD1pkUZYQXK3jX3yzi.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/JHcFbIMUKwwuMS8dzu563M8SHGgRtF1lsotq8EzP.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/Ew1UjZZlNF9Eb2rMbeh0C3dfujX5EZAYm9Tjslvi.png"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/gFCmhBvjtSQm6IBYFNFKNnTjlJ6AbfAvmEK5lEwx.png"></p> <h3 style="line-height: 1.8;">实物展示</h3> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/r5g7OdZdWhZs81C1b6JD8b9Xcu3YcIQdQ6qSHqjx.jpeg" alt="" width="1080" height="1440"></p> <p style="line-height: 1.8;"><img src="//image.lceda.cn/pullimage/Nya6RBoiQYNC7NTkDecCzErS9P5jnugIQ9be6uLM.jpeg" alt="" width="1080" height="810"><img src="//image.lceda.cn/pullimage/rHYCiPIixXPqQvq8LYO3lQ9atY6KMDmxMlzh0UPz.jpeg" alt="" width="1080" height="1440"><img src="//image.lceda.cn/pullimage/bxnDD4ivQea93Ou9Zezn0MPVn8E0nXnZyHDBlL85.jpeg" alt="" width="1080" height="1440"><img src="//image.lceda.cn/pullimage/6dSborEHoLwtqYgzKKWGzMotz8ogjTx1IiFjdCip.jpeg" alt="" width="1080" height="810"></p> <p style="line-height: 1.8;"> </p> <h3 style="line-height: 1.8;">示例代码</h3> <p style="line-height: 1.8;"><code></code></p> <p><code>#include <br>#include </code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// OLED 相关定义</code><br><code>#define OLED_ADDR 0x78</code><br><code>#define OLED_CMD  0x00</code><br><code>#define OLED_DATA 0x40</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// SHT40 相关定义</code><br><code>#define SHT40_ADDR 0x44</code><br><code>#define SHT40_MEASURE_HIGH_PRECISION_CMD 0xFD</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// 定义 OLED 控制引脚</code><br><code>sbit OLED_SCL = P2^5;</code><br><code>sbit OLED_SDA = P2^4;</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// 延时函数</code><br><code>void Delay(unsigned int t)</code><br><code>{</code><br><code>    while (t--)</code><br><code>        _nop_();</code><br><code>}</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// I2C 起始信号</code><br><code>void I2C_Start()</code><br><code>{</code><br><code>    OLED_SDA = 1;</code><br><code>    OLED_SCL = 1;</code><br><code>    Delay(5);</code><br><code>    OLED_SDA = 0;</code><br><code>    Delay(5);</code><br><code>    OLED_SCL = 0;</code><br><code>}</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// I2C 停止信号</code><br><code>void I2C_Stop()</code><br><code>{</code><br><code>    OLED_SDA = 0;</code><br><code>    OLED_SCL = 1;</code><br><code>    Delay(5);</code><br><code>    OLED_SDA = 1;</code><br><code>    Delay(5);</code><br><code>}</code></p> <p style="line-height: 1.8;"><code></code></p> <p><code>// I2C 发送一个字节</code><br><code>void I2C_SendByte(unsigned char dat)</code><br><code>{</code><br><code>    unsigned char i;</code><br><code>    for (i = 0; i <br><code>    {</code><br><code>        OLED_SDA = dat & 0x80;</code><br><code>        dat </code></code></p>