Introduction: Light Sensor Circuit/Burglar Alarm
It is a Light Sensor Circuit.With little modifications it can be turned into Burglar Alarm Circuit.
Step 1: Components Required
Step 2: Basic Circuit
Principle:The buzzer rings as long as light falls on LDR.but when LDR comes into darkness the alarm stops.
Step 3: Practical Circuit
Connections are shown in the basic circuit previously
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