Touch IoT enabled by wireless self-sensing and haptic-reproducing electronic skin

Abstract

Tactile sensations are mainly transmitted to each other by physical touch. Wireless touch perception could be a revolution for us to interact with the world. Here, we report a wireless self-sensing and haptic-reproducing electronic skin (e-skin) to realize noncontact touch communications. A flexible self-sensing actuator was developed to provide an integrated function in both tactile sensing and haptic feedback. When this e-skin was dynamically pressed, the actuator generated an induced voltage as tactile information. Via wireless communication, another e-skin could receive this tactile data and run a synchronized haptic reproduction. Thus, touch could be wirelessly conveyed in bidirections between two users as a touch intercom. Furthermore, this e-skin could be connected with various smart devices to form a touch internet of things where one-to-one and one-to-multiple touch delivery could be realized. This wireless touch presents huge potentials in remote touch video, medical care/assistance, education, and many other applications.

A Flexible Bidirectional Interface with Integrated Multimodal Sensing and Haptic Feedback for Closed‐Loop Human–Machine Interaction

“…Table 1 compares recent representative HMI interfaces in terms of their type, flexibility, sensing, and feedback. A variety of HMI interfaces are available, such as electronic skin (e-skin), [30,42,45,65] rings, [58] armbands, [57,66] and gloves. [59] These interfaces are capable of producing effective interaction effects.…”

“…[59] These interfaces are capable of producing effective interaction effects. In particular, e-skin [30,42,45,65] has the most extensive application range due to its ability to cover most of the body's skin. Tactile feedback can be delivered using different methods, such as vibration, [42,45,58,59,65,66] heat, [58,59] and electricity.…”

“…In particular, e-skin [30,42,45,65] has the most extensive application range due to its ability to cover most of the body's skin. Tactile feedback can be delivered using different methods, such as vibration, [42,45,58,59,65,66] heat, [58,59] and electricity. [30,57] Vibration is the most prevalent and instinctive feedback.…”

Shape‐Configurable MXene‐Based Thermoacoustic Loudspeakers with Tunable Sound Directivity

“…Touch signals have long been a popular tool for applications involving human-machine interfaces, such as wearable electronics, [1,2] virtual reality, [3] augmented reality, [4] and the Internet of Things. [5] Notably, sound recognition and generation DOI: 10.1002/adma.202306637 have recently emerged as critical technologies for advanced interactive wearable electronics. [6][7][8] However, conventional sound-generating speakers based on the cone-shaped diaphragm and voice coil have limited applications in flexible electronics owing to their rigidity and large volume.…”

Ultraviolet Laser-Induced Selective Metallization on White Polymers Using Oxygen Vacancy Laser Sensitizer for IoT Sensors

“…The Internet of Things (IoT) is an enormous network of various information-sensing devices and networks that realizes the interconnectivity of people, machines, and things at any time and anywhere. − IoT sensors have long penetrated a wide range of fields, such as intelligent homes, ocean exploration, environmental protection, and medical monitoring . Most IoT sensor circuits are manufactured by printed circuit board (PCB) technology. , Traditional PCB technology is realized by subtractive manufacturing, which inevitably creates waste .…”