ELECTRICITY TARIFF INDICATOR

This paper depicts the electricity billing system named “electricity with tariff indicator”. It is easily accessible by the consumer, in which any consumer can buy a memory card (which is an EEPROM IC) with a pass-word stored inside using a MC program. Different ranges of memory card are easily available. The Fe-male symbolizes the memory card. The smart card is protected from other user. This is done when the con-sumer inserts a female (prepaid card) into male (card reader) which is connected to the kit. The stored into is read by the male and the info is deleted from the EEPROM IC with the aid of a microcontroller pro-gram. To avoid any inconvenience of the deletion of whole amount it is equipped with an alarm sound, which is another add on of our project In this scheme, each consumer is provided with a memory card (female); with password and the re-quired number of units pre-entered by the service pro-vider and a microcontroller based system is installed at each consumer premises. The microcontroller based system is activated only after insertion of prepaid card and ensures the authentication and keeps track on con-sumption of energy, and cuts down the supply if either authentication fails or consumption expires. In this scheme the Electronic Energy meters are employed for measuring energy which will output a fixed num-ber of pulses per unit of Energy which can be counted to estimate the units consumed.