Alerting System Of No Wires and Battery

When the weather is not so good and you are at the place out of your home town. You don't know that either window of your house is open or not then at this stage you should take an alert system. So, here is i am telling about that alert system.

Germany's  Fraunhofer Institute for Integrated Circuits, developed and Alert system in which
you can check that either your home window is open or not, if you have the contact sensor in your window.

In this Alert system " No use of Wires" and "No use of Battery" . It will charge itself from Environment.

We know that these type of sensors required wiring and a Battery for main Power.

But here is nothing required.

The system incorporates a fingernail-sized 3D magnetic field sensor that is based on an existing product known as the HallinOne, which is already used in washing machines to determine the exact position of the drum.


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ALERT SYSTEM