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A blanket that triggers an alarm when someone moves it

Image credit: Aulola

Darko Savic
Darko Savic Sep 12, 2021
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A blanket full of sensors that trigger an alarm if its shape changes more than a few percent.

Depending on what you are trying to detect, you can configure the threshold percentage of movement that triggers an alarm.

The alarm can be audible or silently sent to your phone.


Some use case scenarios:
  • detect when your child is awake
  • cover your belongings on the beach
  • cover your bike in the driveway/garage
  • hang it as a curtain behind your hotel door when you are out of the room
Creative contributions

Two kind of alarms - emergency and notice

Shubhankar Kulkarni
Shubhankar Kulkarni Sep 13, 2021
Two different alarm systems can be used -
  1. When someone steals your belongings, the alarm should sound where the blanket is and also on your phone. The alarm on the blanket will scare most burglars off.
  2. To detect if your child is awake, you need not have the alarm on the blanket :)
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Darko Savic
Darko Savic3 years ago
You mean when the child is awake you need a notification sent to your phone but the blanket should remain silent:)
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Shubhankar Kulkarni
Shubhankar Kulkarni3 years ago
Darko Savic Haha! Yes. I edited the sentence.
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Smart tags can be redesigned to perform a similar function to the blankets

Samuel Bello
Samuel Bello Sep 13, 2021
Smart tags are devices that can be used to detect the location of objects that they are attached to. They are mostly used to locate keys, and bags The smart tags communicate with the user's phone via Bluetooth or Z-waves. Smart tags are primarily used to detect the location of the objects that they are attached to. With a little change in design, I believe they can be made into more sensitive versions that can serve a purpose similar to the proposed blanket. A security alarm mode can be added to the functions of the tags so that it goes off when someone tampers with the object it is attached to.

A challenge with such a device is its short range . If the device is used in a smart home then the signal from the device can be relayed between other devices via Z-waves and the range problem is solved. For longer distances, it will not be practical to use such devices since their small sizes limit their range. One of the advantages of smart tags is that they can be attached to almost any object to set up an alarm system. They are also small and inconspicuous so they can be placed at spots that a trespasser will least expect.
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