Burglar Alarm With IR Sensor

by Technoreview85 in Circuits > Sensors

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Burglar Alarm With IR Sensor

Very simple Infra red IR proximity sensor|burglar alarm

It is simple burglar alarm using ir sensor .

when any thing come near ir led & photo diode ,ir ray reflect and relay on then buzzer active

video on youtube

You Need to Make This Project

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IR proximity sensor

single channel relay module (5v)

small breadboard

Buzzer

old mobile phone battery or any other battery( 3.7v)

jumper wire

cabinet box ( I use soap case )

Connection

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keep ir module in digital mode.

connect ir module out to relay in pin

vcc to vcc & gnd to gnd .

now connect buzzer to relay & gnd

now supply with battery via bread board

Fit to a Cabinet

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fit all components in a small case.I use small soap case

now test it & enjoy