The security system using PIR receptors uses pyroelectric infrared transducer, pyroelectic infrared detector circuit, PIC(peripheral program connector) microcontroller, power supply unit, buzzer, UART, GSM modem, display memory.
This is the block diagram of this project. It has a power supply unit on its top which supplies power to the microcontroller. Heat signals type in the pyroelectric infrared transducer and it is passed through the pyroelectric infrared detector..
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