In this paper, the automatic control of domestic electrical appliances using a wireless network is presented. The wireless network of choice is the Global system for mobile communication, GSM. This paper presents a methodology that the communication can be extended even to inanimate devices like domestic electrical appliances such as radio, refrigerator, TV, light bulbs etc. the methodology entails the use of the feature of the GSM phone known as dual tone multi frequency DTMF. This DTMF tones are automatically generated when the buttons of a mobile phone is pressed. A DTMF to binary converter integrated circuit was used to convert the DTMF tones into binary format which is fed into the I O ports of an 8052 microcontroller. A resident program enables the DTMF codes that are received to be used to control electrical appliances. The system also has a unique feature that after an action is performed it sends back an audio tone to inform the user about the success or failure of the execution of the command.
by S. O. N. Okonye | V. E Enukpere ""Implementation of a Microcontroller Based Wireless Control of Domestic Electrical Appliances using the GSM Network""
Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019,
URL: https://www.ijtsrd.com/papers/ijtsrd23973.pdf
Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/23973/implementation-of-a-microcontroller-based-wireless-control-of-domestic-electrical-appliances-using-the-gsm-network/s-o-n-okonye
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