The Multi-point temperature detecting system on granary is designed for the request of the provisions store in granary. It is the system of detecting spot DS18B20 sensor that consisted of microcontroller AT89S52. The users can examine the data detecting system conveniently by themselves, and send data to the controlling room at any time, the managers can know the data without researching the spot, So users can regulate the grain temperature. It can improve the safe level of the country granary store.
Keywords: AT89S52,DS18B20,Multicast temperature meterage