Shopping Cart Anti-Theft Security System

Nazrin, Othman (2013) Shopping Cart Anti-Theft Security System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The objective of this project is to design Shopping Cart Anti-Theft Security System which is a design that will greatly reduce missing cart problem. The design will use three main components which are transmitter, receiver and also a pair of solenoid. This research also will cover on implementation and technique used in measuring distance of the signal transmitted between transmitter and receiver for activation or triggering the circuit. Transmitter will send a signal to the receiver, and whenever the signal from transmitter did not receive by receiver, it will activate trigger circuit which consists of relay, diode and transistor. Thus, solenoid will be pushed down to lock the wheel and prevent the cart from being push away from supermarket. Besides that,systems compartment also have been designed to ensure the circuit and other component in the system not affected by environmental factor.

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