3、yiAbstract:this design is based on a unibus temperature-humidity measurement system. DHT11 sensor is used to test temperature and humidity by acquire signal.Then using STC89C52 single-chip computer for data analysis and processing, which can display the circuit provide
4、d by the signal. This design adopts LCD1602 to display the measured values of temperature and humidity. In general, the design system has a certain practical value since it is simple, stable, high measuring precision and convenient debugging.[KeyWords]STC89C52;DHT11;L