Thief or Burglar or door alarm is obviously most famous form of hobby circuit that we find in the Internet. Each of these circuits use different components and different trigger mechanism to activate the circuit. Here is a circuit…
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Theft alarm circuits are quite famous and you probably could have seen plenty of different versions of it. The above circuit is yet another burglar alarm circuit but a simple one which would take only 5 to 10 mins of…
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Obviously this isn’t the first siren circuit you come across in the internet. But most of the siren circuits in the internet does not actually produce the siren sound instead you will hear sounds such as “Tik- tok” or “Bim…
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Alarms are pretty handy to use in alerts, detectors, sensors etc. In such applications the loudness of the alarm can be a challenge since some most circuit you find online won’t produce audible sound. So to overcome this defect here…
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Alarm Circuits are used everywhere to alert the nearby in case of any special events and act accordingly. Rain alarm circuit is something that will be used to indicate the one nearby in case of rain. These kind of alarms…
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Pocket Size alarm using IC 741 Alarms are of great use in real world. It alerts people when there is a breach also building one will be easy task. You might have come across different types of alarm circuits varying…
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Click over the image to view enlarged one Burglar Alarm circuit can be seen wide over the internet and some of them are real simple to implement to do it self on our home. Each circuit needs different kind of…
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