Now tissue paper will easily become a keypad, see the unique video in the news

Now plain paper, cardboard and even tissue paper can be turned into a keyboard or keypad. This important work has been done by the experts of Purdue University.

The interesting thing about this invention is that it does not require any additional battery to make and operate the keypad and it is self-powered. In this way even the packaging of common goods can be made interactive.

“This is the first time that a self-powered electrical device has been demonstrated in practice,” said Ramsis Martinez, an associate professor at Purdue University’s Weldon School of Biomedical Engineering. It is coated with a layer of fluorinated molecules that protect it from water, dust and grease, he said.

This way we can put many layers of circuit on paper. As soon as someone presses a button, the pressure sensor starts generating electricity from that pressure.

Importantly, it can be printed using conventional printing. In this way, smart packaging and man-machine interface can be simplified.

Through this technology, the packaging of food and drinks will be able to automatically inform whether it is fresh or old, what are the ingredients in it? Or what is the use by date?

A video has been made of a practical demonstration of this, which turns a piece of paper into a music interface to play songs and control sound.

But paper keyboards and keypads can be used for countless other tasks as well