Mobile-Microcontroller based Wireless Communication for the Control of Appliances Integrated with their Automation

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Provided by: Creative Commons
Topic: Hardware
Format: PDF
System designed here is for automation of home appliances using Dual Tone Multi Frequency technology (DTMF). This also aims at providing an interfered and continuous control over many household devices. The user module has many buttons, each referring to the device that needs activation. An encoder (i.e., the transmitter phone) encodes the required information and transmits with the help of a FM transmitter. The FM receiver (i.e. receiver phone) receives the modulated signal and demodulates it using a demodulator and the required information is determined by the DTMF decoder.
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