Multitouch stickers will turn a person's body into a remote control

<pre>Multitouch stickers will turn a person's body into a remote control

In 2015, scientists from the University of Saarland presented their development of iSkin – small stickers on the skin that reacted to the touch and sent a signal to the smartphone. Today, this technology has grown to the creation of full-featured sensor interfaces, which was called the Multi-Touch Skin. It will allow the transfer of commands through an arbitrary section of the human skin.

To activate the Multi-Touch Skin, you need to print a sticker that consists of a grid of thin electrodes placed between the layers of PET. The wires are connected to the power source and controller, and it transmits the signal for processing to the Raspberry Pi Zero microcomputer. Printing stickers takes about a minute, they can be of arbitrary shape and glued to the wrists, shoulder, behind the ear or chest, at the request of the user.

 Multi-Touch Skin

When the sticker touches, the finger contacts the electrode, which changes the electrical capacitance at a particular point – this is the signal for processing, similar to the smartphone screen. The complexity and variety of gestures of control are limited only by the area of ​​the label and the algorithms of the system. For example, a sliding gesture behind the ear adjusts the volume of the music, and near the eyes – the brightness of the lighting system.

Today, the developers of Multi-Touch Skin have created four optimal sticker formats. On the neck, side and back, to control the headset and similar worn electronics. Bracelet on the wrist, for tying to an external device – a smart vacuum cleaner, robot, etc. The sticker on the back of the palm will be connected to the messengers in the smartphone, for receiving and transferring calls. And a sticker on the forearm, to quickly unlock or turn off the smartphone.

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