"基于单片机的智能温室温湿度控制系统设计与应用"

In the field of agricultural production, the application of greenhouse greenhouses is becoming increasingly widespread, creating higher economic benefits for people. The key to greenhouse greenhouse is the temperature and humidity control method. Traditional temperature and humidity control methods are completely manual, which is not only time-consuming and laborious, but also inefficient. This paper aims to discuss the design of a greenhouse temperature and humidity control system, which mainly consists of a single-chip microcomputer AT89S52, temperature and humidity sensor DHT11, wireless communication module nRF2401, and LCD display LCD1602. The temperature and humidity sensor DHT11 is used to measure temperature and humidity, which has high accuracy, and DHT11 directly outputs digital signals that can be directly connected to the single-chip microcomputer. The wireless sensor nRF2401 is used for signal transmission, which can reduce the trouble of wiring. The display part uses LCD1602 to display temperature and humidity. The core of this system is the single-chip microcomputer AT89S52, which receives and processes the data measured by the sensor, and then performs various operations. This system has high intelligence, high reliability, stable system operation, and relatively high cost-performance ratio, with great market prospects. Keywords: single-chip microcomputer, temperature and humidity control system, temperature and humidity sensor DHT11, LCD display, wireless module nRF2401.