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Electric door alarm design brief.
Often even the police ignore house alarms when they are activated because of the high number of false alarms.
This can be used in defense applications to detect the humans in war field.
The door alarm system gives an audible alarm when the door handle to which it is connected to is touched.
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Police statistics clearly show that houses are much more likely to be broken into when they are empty.
This can be used in the museums to protect the valuable things.
Generally you ll want to attach your piece of wood close to the top of the door within a foot 30 5 cm from the.
The aim of the project has been the design and construction of a door alarm system.
Electrical circuits are used in a wide variety of technological innovations from television sets to windshield wipers escalators to telephones.
This can also be used as an automatic door bell circuit that rings the bell when human is detected.
The necessary specification was taken and the design was made according to this specification.
This resource is useful for introducing components of engineering design ets from the next generation science.
In this video segment adapted from zoom cast members use electrical circuits to create door alarms out of a variety of materials.
The module was then constructed and tested.
Design and make an electronic wristwatch with alarm facilities suitable for young people in the 15 19 age range a wide range of product types is possible from the open brief including simple wristwatches simple clocks simple stop.
You can attach alarm contact sensors to any door or window in your house or apartment and when armed you ll get instant alerts on your phone and tablet whenever they open.
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I am going to design and make a security device that will make my house look occupied when in fact it is empty.
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You may need to drill holes in the wood to hang it from the hangers.
Design and make a product that uses timing technology closed design brief.
Attach the plywood to the wall next to your door.
Use removable wall hangers or tape to attach the wood on the wall.
This will be the base of your door alarm.
