Abstract: The outdated way for deposition of a bill of energy consumption results in unwanted fault and wastage of time. Thus this paper imposes a completely new idea of " Prepaid Energy Meter with GSM Modem using pic microcontroller’’ to facilate power utility and minimize the labor work. Proposed system is good for electricity distribution board, non-public companies, IT parks & in residential areas also. The motive of this paper is to develop and design a Prepaid Energy Meter based on SMS technology using GSM. In this technique some threshold data is set for unit consumption and it stops the energy supply when amount of unit consumption goes below the threshold value. After it reaches the threshold limit an alert message is sent via GSM i.e. as it reaches the subsidy unit. After it reaches it's monthly limit, it gives an alert message which indicates the bill amount. If the bill amount is not reimbursed then electricity will automatically be shut down after a period of time. Here only registered SIM card number is used to get information about the bill. If the consumer changes the mobile number and fails to register that changed number then the information won't reach the consumer
Keywords: Transformer, Bridge Rectifier, Voltage Regulator, LCD Display, Microcontroller Pic 18F452, Energy Meter, Max 232, GSM Modem
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