Implementation of Small Electrical Power Using GSM Modem
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Publication date: 2019-11-25
Eurasian J Anal Chem 2018;13(3):em2018178
Main aim of this paper control the home automation system by sending SMS through GSM Modem. The user can be access the remotely and providing security when the user is away from the place. The automation systems are becoming very important role in the today world.GSM signal covers all over the world widely. So by using GSM band we can control the home appliances efficiently with very low cost by short message services. If any of the sensors goes beyond the set threshold value, then the microcontroller recognizes it and sends particular message to the house owner. For this purpose, we are using GSM modem (SIM900A). The house owner number was initially stored in the system. So, any abnormal condition occurs in house, then the owner immediately receive an alert message from the GSM modem interfaced to the LPC 2148 microcontroller.