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Normally the condition change in refrigerators are not monitored by us,it depends on the particular items kept in fridge.This project is based on Temperature monitoring in refrigerators. When the temperature falls below -10 degree Celsius the temperature sensor kept in the fridge alerts the PIC controller.Since below -10 degree considered as over cooling, the PIC send a message to the user through the GSM as ABNORMAL TEMPERATURE. When a normal temperature it doesnt response. In this project we have used PIC16F877A controller interfaced with GSM and temperature sensor.We have used AT commands for sending message to the user. The user receives the message with Exact temperature in the refrigerators,so he can maintain it correctly.
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监测
接口
温度
GSMpicfa
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