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Title: Simple Sound Activated Burglar Alarm System
Page Link: Simple Sound Activated Burglar Alarm System -
Posted By: Sidewinder
Created at: Sunday 16th of May 2010 11:47:40 AM
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When the intensity of sound exceeds certain intensity, the alarm is
triggered and the siren begins to operate. The speaker beeps and the flasher
(light) flashes. Thus the owner of the residence is alerted when an intruder comes.
The functional block diagram includes
-MICROPHONE
-AMPLIFIER
-LATCH
-OSCILLATOR
-FLASHER
-SPEAKER
a 600O unidirectional moving coil microphone is used. LM386 CMOS operational amplifier was the main component in the amplifier. It had a gain of 200. The amplifier then passes it on to the latch section of t ....etc
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Title: circuit description of knock vibration activated alarm
Page Link: circuit description of knock vibration activated alarm -
Posted By:
Created at: Monday 24th of December 2012 10:35:14 PM
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I want circuit description,working of circuit ,costing ....etc
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Title: project report on knock or vibration activated alarm
Page Link: project report on knock or vibration activated alarm -
Posted By:
Created at: Saturday 13th of October 2012 03:46:10 PM
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sir,please help me in forming my project report on activated vibration alarm ....etc
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Title: circuit of knock vibration earthquake activated alarm
Page Link: circuit of knock vibration earthquake activated alarm -
Posted By:
Created at: Wednesday 18th of July 2012 11:31:41 PM
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HIIII I WANT THE DOCUMENTATION OF THIS CIRCIUT ....etc
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Title: vibration activated alarm project
Page Link: vibration activated alarm project -
Posted By:
Created at: Thursday 25th of October 2012 03:37:10 PM
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Title: working of knock vibration activated alarm
Page Link: working of knock vibration activated alarm -
Posted By:
Created at: Friday 29th of July 2016 11:37:26 AM
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Detailed explanation on the working of a earthquake detector alarm with help of a circuit diagram. ....etc
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Title: touch activated speaking robot
Page Link: touch activated speaking robot -
Posted By:
Created at: Wednesday 23rd of July 2014 06:26:57 AM
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can you explain me in short what actually the touch activated speaking robot do? ....etc
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Title: touch activated speaking robot pdf
Page Link: touch activated speaking robot pdf -
Posted By:
Created at: Saturday 06th of October 2012 02:26:01 PM
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Title: report for knock vibration activated alarm
Page Link: report for knock vibration activated alarm -
Posted By:
Created at: Monday 12th of November 2012 12:06:37 AM
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sir, i want project report on vibration alarm, please send me....
my mail is [email protected] ....etc
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Title: principle of knock vibration activated alarm
Page Link: principle of knock vibration activated alarm -
Posted By:
Created at: Monday 01st of December 2014 05:45:39 PM
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what is the principle behind knock vibrated alarm.explain? ....etc
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