Design of Granary Temperature and Humidity Monitoring System Based on STM32 and Multi-Sensor Data Fusion

摘要

To improve the monitoring and control capacity of granary temperature and humidity, sensors were evenly deployed around the ventilation opening of granary to detect the temperature and humidity with the cell of DHT11 per 10 m, and then the determination data were fused by adopting the self-adaptive weighed fusion algorithm. The granary temperature and humidity monitoring system based on STM32 and multi-sensor data fusion reduced the complexity of system hardware design, improved the accuracy of measurement results, and controlled the temperature and humidity according to the detection results. The system could effectively monitor and control the temperature and humidity of granary, create a suitable environment of food stored, and to improve the quality of food preservation.