A student was looking for a innovative way to open his door without the need for keys. He combined a touch sensor with a high powered servo all controlled by an Arduino to open his door.
Whilst touching the sensor with his fingers in a specific manner, his code, the servo gets activated and opens the door.
Below is a little video of the system in action,
Reflection
A interesting use of technology here, not too complex and to be easily executed. It would be interesting to see this concept fully integrated in a door.
With the actual door knob being the sensor, as mentioned in the article it says that the door knob seemed a too big of a surface area to get accurate responses. Although you could have a plastic doorknob with just a small patch of where the sensor is.
Having the servo fully integrated in the door and this would be quite a innovative way of opening your door opposing technological solutions as keypads and fobs.
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