Wednesday, April 20, 2011

ATM Security System using GSM and MEMS Module


ATM security system using GSM and MEMS is one of the hot topics in embedded systems industry. For providing Security at ATMs GSM and MEMS Modules are controlled by using ATMEL Processor based AT89S52 Microcontroller.
Micro Electrical Mechanical Systems (MEMS) is the integration of mechanical elements, sensors, actuators, and electronics on a common silicon substrate through micro fabrication technology. The broadest requirement for these very small devices is ability to sense the environment, to collect necessary data and to create a signal or action to make desired changes to the environment.
In this project ATMEL based AT89S52 Microcontroller monitors MEMS Module , GSM and motor. MEMS module is placed on the outer panel of the ATM Machine, if any tilt is identified by this block, MEMS send a signal to AT89S52 and as the signal is received, it locks the ATM door and Alert message is send to the Security using GSM Module.
Prevent ATM from theft:
when some one tries to breakdown into ATM the MEMS(micro electro mechanical sensor)gets disturbed forwards an output signal to the ATMEL processor then a message will be send to authorized person through GSM modem and door will be locked automatic using the stepper motor.


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