控制大棚的温度保持在一个恒温状态,连接一个电机,当低于一个设置温度的时候自动开启,反之则关闭,有点类似空调的恒温控制-Control greenhouse temperature was maintained in a heated state, connecting an electric motor, and automatically open when below a set temperature, and otherwise is closed, somewhat similar to the air conditioning thermostat control