Automatic Day Alarm

by bossimaad in Circuits > Sensors

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Automatic Day Alarm

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This is automatic day alarm . the buzzer turns on wen light falls on the ldr

Supplies

1.buzzer

2.ldr(light dependent resistor)

3.power supply adaptor12 volts dc

Step:1 Connect the Ldr to Buzzer

take the positive wire of the buzzer and connect it to ldr

Step:2 Connect the Power Supply

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connect the positive end of the power supply to the ldr

and connect the negative wire of the power supply to the negative end of the buzzer

Step 3 Plug and Enjoy

connect the power supply to the wall socket and BOOM enjoy. the buzzer will turn on as the light falls on it