Description: The temperature control system is the core of AT89C51.. The system is capable of temperature on the farm for detection and acquisition, using DS18B20 digital temperature sensor, the chicken field in temperature to digital signal and transmitted to the microcontroller processing, finally by single-chip microcomputer to control the LCD liquid crystal display, greenhouse chickens on the floor of the actual temperature display, at the same time, through compared to chicken inside temperature if the temperature exceeds the set value were analyzed. According to the results of the analysis of chicken inside temperature control facilities to control switch, when the thermostat switch is open. If the measured temperature is greater than the set temperature, relay, start the compressor work if the measured environment temperature is lower than the set temperature, the relay release compression machine stop working. So as to control the temperature of chicken farm
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void lcd.doc
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