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Fire Alarm using IC TD2002 | 5,650 view(s)

>Fire Alarm using IC TD2002

This is Fire Alarm using IC TD2002 suite, to identify if there is a fire. This alarm is very important in crowd residential complex, so that we can know earlier.

This alarm works if there is a fog that generated by the fire cross the lamp and LDR sensor, so that the incoming light in LDR is reduced, this cause the resist in LDR is higher to generate the voltage in COB chip to be on/off to make a sound/alarm.

The alarm / sound amplified by the IC Amplifier of TDA2002 to gain the sound higher.

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Fire Alarm using IC TD2002

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