Energy Meter Billing with Load Control over GSM with User Programmable Number Features

Model: 180

Solderable DIY project kit for Engineering & Diploma students Worldwide

Do-It-Yourself Kit :

Includes complete hardware comprising of discrete components, modules, PCB, controller etc. and tested program code for building the project. Extensive documentation for project execution including step-by-step instructions for Circuit building, Assembly procedure and Troubleshooting. (Tool kit-Multimeter, Soldering iron and program burner not included in the kit)

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The main concept of this project is to design a GSM based automatic energy meter reading system for receiving monthly energy consumption information from a remote location straight to an electricity department as well as to the consumers and also to control the loads through SMS.

At present, electricity department sends employees every month to take meter reading, which is an expensive and time-consuming job. Thus, this project provides a convenient and efficient method to avoid this problem.

The proposed system uses a microcontroller of the 8051 family and a rectified-power supply. In this system, a GSM modem is connected to the microcontroller through a level shifter IC for communication. The relays are controlled by a relay drive IC for switching the loads. The status is displayed on a LCD display which is interfaced to the microcontroller.

This system is connected to an energy meter with a load through opto-coupler IC. The microcontroller reads the pulses from the energy meter to find the energy consumption of the electrical loads. If users want to know the reading information, they can call the GSM modem number to get the reading information by SMS. This GSM modem can also receive the commands form the user phone to control the electrical loads.

This project in future can be implemented to interface with a non-volatile memory IC like EEPROM along with a keypad so that a user can change the mobile number as per the requirement.


Easy to use, Self-explanatory kit.

All-inclusive solution kit.

Extensive audio-visuals available.

Branding-free material.

Microcontroller Project.

Call/mail for Tech Support from 10 am – 7 pm.

Can be Customized for Arduino, Raspberry Pi, PIC


Hardware Requirements

  • 8051 series Microcontroller
  • Level Shifter IC
  • GSM modem
  • LCD
  • LED
  • Crystal
  • Relay driver IC
  • Resistor
  • Capacitor
  • Diodes
  • Transformer
  • Voltage Regulator
  • Opto Isolator
  • Digital Energy Meter
  • Lamp

Software Requirements

  • Keil compiler
  • Language: Embedded C or Assembly.

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