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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Metal detectors are fun to play with and I had always been fascinated to unearth things using that. Following that I have decided to design my own metal detector which offers better performance with some minimal components I could buy…
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Raising from bed can be the most painful thing you could ever do. We often set alarms to wake up but ends up in snoozing it out or even kick the alarms away. To address this we have come up…
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Today we are in a world where robbery has increased to a great extent. Hence there is a need to protect everything using a security system. Here is a small project on security system called ULTRA SECURITY SYSTEM which will…
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Beacons are used for the purpose of guiding travelers or marking significant places or things. In early days fire and light serves as beacon for travelers as explorers. Nowadays beacon have evolved very much from fire and light. While on…
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Door or Window alarm circuit have been used widely in many homes to detect intrusion. A simple search in internet might fetch you lot of alarms for you to buy. But making your own alarm will be something special and…
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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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