14-06-2012, 03:34 PM
GSM BASED MONTHLY ELECTRICITY ENERGY METER BILLING WITH SMS AND DISPLAY TO THE USER
INTRODUCTION
Domestic electricity consumed is displayed in terms of rupees.
It is daily and monthly basis to the user.
Billing details sent over GSM network for the user.
HARDWARE REQUIREMENTS
TRANSFORMERS
VOLTAGE REGULATOR (LM7805)
RECTIFIER
MICROCONTROLLER (AT89S52/C51)
GSM MODEM
LCD DISPLAY
MAX-232
DB9 CONNECTOR
ENERGY METER
OPTOCOUPLER
RESISTOR
CAPACITOR
ABSTRACT
The main objective of the project is to develop a wireless energy meter.
The microcontroller takes the reading from the energy meter and displays the reading on the LCD.
The reading of the energy meter is also sent to the cell
phone of the user by a message through GSM modem.
This project is powered by an on-board power supply takes the ac power and converts it into dc power that is fed to on-board devices and integrated circuits.
Working:
The project uses a commercial digital energy meter and derives positive pulses from the same by taking a connection from the pulsing LED.
The pulsing LED pulses 3200 times for 1 unit of electrical energy i.e., 1 kilo watt hour.
As it is not feasible to wait for consuming 1000 Wt Hr. the program assumes 10 pulses for unit, which is fed to the Microcontroller to send 1 unit consumption through the GSM Modem duly interfaced to the Microcontroller through Max232, Therefore the 1 unit so sent shown have to be read as 1/3200 unit.
Conclusion
Finally we conclude that this is the project that is helpful to make us aware of the consumption of electricity through constant observation of the billing system using GSM modem.