12-04-2017, 04:16 PM
complete code of rfid based prepaid energy meter along with circuit diagram and xplanation
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source code for rfid based prepaid energy meter
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complete code of rfid based prepaid energy meter along with circuit diagram and xplanation
15-04-2017, 03:02 PM
Due to drastic changes in technology in the last decade, so much progress has been made in the electricity departments. The electricity bill can now be paid through E-Seva centers, ATMs, Net-banking and even through mobile phones. But prepaid electricity is a unique new concept that saves a lot of time and energy for the electricity department. In this system, the user has to purchase a prepaid RFID card and must approach the RFID reader provided in the prepaid power meter kit.
The standard electricity retail business model involves the electricity company invoicing the customer for the amount of power used in the previous month. If the retailer believes that the customer can not pay the bill, a prepaid meter can be installed. This requires the client to make the advance payment before the electricity can be used. If the available credit is exhausted, the electricity supply is automatically cut off by means of a relay. The METER consists of a microcontroller, a current feedback section consisting of a current transformer, a signal conditioning circuit and ADC. A prepaid RFID card that contains a serial number and the quantity has to be inserted into the meter. The meter calculates current consumption and, consequently, deducts the amount from the card.
The standard electricity retail business model involves the electricity company invoicing the customer for the amount of power used in the previous month. If the retailer believes that the customer can not pay the bill, a prepaid meter can be installed. This requires the client to make the advance payment before the electricity can be used. If the available credit is exhausted, the electricity supply is automatically cut off by means of a relay. The METER consists of a microcontroller, a current feedback section consisting of a current transformer, a signal conditioning circuit and ADC. A prepaid RFID card that contains a serial number and the quantity has to be inserted into the meter. The meter calculates current consumption and, consequently, deducts the amount from the card.
It can be understood in the following video:
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