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Fire Alarm with LDR Sensor

2015-03-02 19:03  
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Fire Alarm with LDR Sensor
This is the fire alarm circuit which use LDR to sense the smoke from the fire, so it can be used to detect any dark smoke. With the onset of summer season, possibilities of fire accidents go up. These fire accidents could be prevented if timely alarms are available. The circuit given right here alerts the user against these fire accidents.