之基于单片机的温室大棚自动控制系统-毕设论文.doc

agriculture, Use it can effectively control the temperature, humidity and

illumination of the greenhouse, and it is the premise of changed for plant growth to

create the best conditions, avoid changing seasons and severe weather outside of its

impact.

design of relay control which use the SCM STC89C52 as the core of the system to

collect, handle, display the data of the air temperature, soil humidity and light

temperature sensor DS18B20. (2) collected real-time humidity by humidity sensor

HS1101. (3) collected real-time light illumination by photoresistor. (4) judge the

and save the amount of work, avoid omissions or unnecessary losses that caused by

errors.