针对目前物联网技术实验教学的特点,结合嵌入式开发技术和传感器技术应用,设计了传感器数据采集与输出实验装置。实验装置由U型管加热装置、温度感知装置、信号放大与滤波采样装置、AD转换及控制装置、显示装置以及相关软件等几部分组成。通过温度传感器采集温度信号并对传感信号进行放大、AD转换及相关软件处理等显示温度。实验装置覆盖了教学实验环节中的多个实验任务,起到了很好的教学效果,具有较强的实用性。 In view of the characteristics of current IOT technology experiment teaching, the experimental data acquisition and output device of sensor was designed based on the application of embedded development technology and sensor technology. The experimental device consists of U-tube heating device, temperature sensing device, signal amplification and filtering sampling device, AD conversion and control device, display device and related software. The temperature sensor through the acquisition of temperature signals and amplification of the sensor signal, AD conversion and related software such as display temperature. The experimental device covers many experimental tasks in the teaching experiment, plays a very good teaching effect and has strong practicality.