(1)简介
Mlx90614模块如下图所示广泛用于人体红外测温中,比如常见的额温枪等,具有响应速度快,精度高等特点,通过IIC接口和控制器连接,同一IIC总线上可挂载多个设备。

(2)连线
| Mlx90614 | UNO |
|---|---|
| VIN | 5V |
| GND | GND |
| SDA | A4 |
| SCL | A5 |
(3)主函数(完整代码见文末链接,亲测可用)
void loop() {Wire.beginTransmission(0x5A);Wire.write(0x07); // sends instruction byteWire.endTransmission(false); // stop transmittingWire.requestFrom(0x5A, 3); //Send data n-bytes readresult = Wire.read(); //Receive DATAresult |= Wire.read() << 8; //Receive DATAuint8_t pec = Wire.read();temp = result*0.02-273.15; //温度数值转换Serial.println(temp);}
测温结果如下图所示:

附完整代码下载链接
CSDN下载
https://download.csdn.net/download/u011816009/85108754
百度网盘下载
链接:https://pan.baidu.com/s/1r_wTJj9FU-TLGmyzdMiD1w
提取码:4z7d