There are all kind ofkeyless door lockson the grocery these twenty-four hours , but this DIY version utilise a soupcon - tender system power by an arduino that offer a bum , secure and discerning method of entering a locked room . To gain access , the user must touch a conducting wire jutting out from the door in a specific sequence . Yeah , this undertaking is tiptop - ghetto , but it would be awesome integrated into the doorknob itself . Apparently , the problem with that was that the knob had too much surface country for the sensor — but I do n’t see why the total doorknob ask to be use . It would be even more secure if only touching a specific incision would grant access . If you want to attempt it yourself , the all over instructions are available on the project pageboy . [ Washington.eduviaHack - a - daytime ]
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