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    Projects > ELECTRONICS > 2015 > NON IEEE > EMBEDDED SYSTEMS

    Electronic Card Lock System


    Abstract

    This project is developed for the electronic card lock system is much simpler and cheaper. The circuit is configured around microcontroller PIC16F73. Any number in binary form, when available at input pins of the microcontroller makes corresponding output go logic high, thus turning on the appliance through relay contacts. Up to 15 appliances can be switched on/off. The card used should be of opaque plastic. It should be able to withstand some heat from the bulb, even though the appliance remains on only for the period for which the card is the slot. The card has a triangular notch that shows correct orientation/direction of insertion of card and prevents false operation. LDRs can be placed in a line, or randomly to increase security. The order in which holes should be punched for each appliance.


    Existing System


    Proposed System


    Architecture


    BLOCK DIAGRAM


    FOR MORE INFORMATION CLICK HERE