Nov 16

handle2-300x225Student Chris Varenhorst has come up with a smart way to open the door of his room. With electronic and hydraulic components he built a automatic door opener. He now has the ability to open his door remotely.

On his iPhone he has an application. When he taps the icon of that application the door automatically opens. He can also nock on the door in a special sequence. A vibrationsensor checks if the correct amount of knock has been given. If the answer is yes, the door opens. Chris has used the door for 9 months now and he is still happy with his solution.

Source: Varenhorst

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