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PROJECT DESCRIPTION

The main objective of the project is to develop an energy meter that informs the consumer  the exact consumption and billing that the load consumes through SMS.

For this  work, we have taken a standard electronic energy meter. The blinking LED  as seen on the front panel is directly proportional to the power consumed. More the power drawn faster becomes the LED blinking pulses. One sensor is placed above such blinking LED to derive the real time units consumed whose output goes to an 8051 microcontroller.

Whenever the LED blinks, it then gives an interrupt signal to the microcontroller of the 8051 family and thus the  program of the microcontroller counts the pulses and displays the reading on the LCD duly interfaced to the microcontroller for every minute / daily / weekly or monthly as programed which is sent to the cell phone of the user by an SMS through a GSM modem, which is interfaced to the microcontroller via a level-shifter IC and RS232 link. The desired cell number is auto saved on the microcontroller over a missed call by the user for sending SMS to that number only.

 The power supply consists of a step-down transformer 230/12V, which steps down the voltage to 12V AC. This is converted to DC using a bridge rectifier and it is then regulated to +5V using a voltage regulator 7805 which is required for the operation of the microcontroller and other components.

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm IST.
BLOCK DIAGRAM
GSM based Electricity Energy Meter Billing with Onsite Display
Hardware Requirements
  • Microcontroller (AT89C52/S52)
  • Max232
  • GSM module
  • LCD(16x2)
  • LED
  • Crystal Oscillator
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Regulator
  • LDR
  • Energy Meter,
  • Lamp.
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
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