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PROJECT ON LIGHTING LOAD CONTROL USING GSM SYSTEM
The DTMF based remote monitoring system consists of sensors for sensing the present parameters of the process or machine. The whole system can be installed at a distance place from where these data can be directly sent to the logging system. The data obtained is sent to doctor’s system by converting it into DTMF signals. The DTMF stands for dual tone multiple frequencies. The idea behind this project is generation of DTMF signal for sending data. In communication any digit may be transmitted in pulse mode or in DTMF mode. We are generating DTMF tones at transmitter end and decoding these tones at receiving end which can be used for transmitting the data from one end to another end.
Electrical Engineering Project
LIGHTING LOAD CONTROL USING GSM SYSTEM Electrical Engineering Project Working:- DTMF decoder sends the information in the form of frequency from the 3G hand set ,Then DTMF decoder decode the information in the form of frequency and this information fed Here microcontroller is the heart of this project ,Firstly the power supply of 5v DC is very essential for this set up, this power supply trigger the microcontroller 8051,then 8051 is directly connected with LCD & device control, LCD gives the info regarding devices that can be operated by microcontroller 8051 & device control here acting as a switch with the help of relays .To microcontroller pins.Finally microcontroller performs the relative operations.
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