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03-09-2017, 01:41 PM

Plzz send the required components and the program code

jaseela123d · 05-09-2017, 02:38 PM

System work

The whole circuit of 8085 based home security system consists of the transmitter, receiver, Phase-Locked-loop and the processing section as shown in block diagram.

[Image: block-diagram-of-microprocessor-based-se...ystem1.jpg]

The mechanism of the project "Microprocessor Based on Home Security System" is very simple. As this project is based on IR, the IR beam of the transmitter focuses on the base of the receiver's phototransistor wedged in opposition to each other. The property of the phototransistor is that whenever the IR ray focused on its base is obstructed, the microprocessor according to program burned in EPROM that controls more the siren, the telephone and the cassette player.

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