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Power Meter Billing and Load Control Using GSM Electronics Engineering Final Year Project


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This project includes GSM (Sim800c) module, which is connected to Arduino through UART interface. Power Meter signal taped through optocoupler to Arduino digital IO pin. Power Meter gives signal through LED while calculating wattage. In this project we are considering LED signal as unit. Multiple loads connected to Power Meter through relays.


Power meter output loads can be control from GSM module. When loads ON, Power Meter calculates power and amount will increase based on power units. This information displayed on LCD. For every three units SMS will send through GSM modem. If bill not paid within time, electricity department can turn off loads. By sending notification request to GSM modem, it will send units and amount data.

  • Microcontroller            :         Arduino Uno
  • Crystal                          :         16 MHz
  • LCD                              :         16X2 LCD
  • GSM                             :         SIM800C
  • Energy meter                :         Single Phase
  • Buzzer                           :         5vDC
  • Relay                             :         12v DC Coil type
  • Power Source                :         12v 2 amp Adaptor
  • Arduino IDE
  • Proteus based circuit diagram
  • Home purpose
  • Electricity Department
  • Industries
  • We have covered GSM (SIM800C) module interfacing
  • Energy Meter and relay interfacing

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