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Similar to the tilt RFID tag by N. Marquardt I built a tilt RFID tag version, which switches between three different IDs depending on the way the RFID tag is aligned in space.

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The picture above shows the two tilt sensors on the back side of the RFID tag. It was hard to find three distinct postions, in which only one tilt sensor gets active. In the future one should limit it on only using two tilt sensors. The antenna of this RFID tag has four windings.

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