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If I understand this correctly, this is a paper about 3D printing physical objects, with no electronics, that send information over wifi.

ie, magic.

This is magic.

Valvin @valvin

@ajroach42 Wow !!! it looks like magic but i'm not sure I've understood how it is received on wifi side ? I think it requires a specific module on receiver side to decode the information?


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@valvin @Lapineige

The details are covered in section 3.2 of the paper, which is linked from the page.

Basically, it uses a wifi transmitter and a wifi receiver. The transmitter is unmodified. The receiver is connected to a computer that is analyzing the data from the wifi receiver to look for the modulated signal from the 3d printed sensor.

Basically, they are using standard wifi hardware, with custom software on the receiving end.