Scientists in China have developed a thin, flexible sticker sensor that can detect subtle hand, finger, and mouth motions and translate them into words or commands. The wearable sensor, made of soft silicone rubber embedded with fiber optic cables, is designed to be comfortable for everyday use and support assistive technologies for people with disabilities or limited mobility.

The sensor works by detecting changes in the wavelengths of light traveling through the fiber optic cables when they are bent or stretched by movements. Even the slightest gestures like bending a finger or twisting a wrist can be accurately recognized. In experiments, volunteers could send Morse code messages by bending their fingers and silently articulate vowel sounds by moving their cheeks.

The researchers envision the sensors being integrated into clothing, accessories or even directly onto skin to allow more natural interaction with digital devices. Potential applications include communication aids for the disabled, monitoring vital signs, enhancing athletic training, and enabling immersive gaming experiences controlled by gestures. Future work aims to make the sensors smaller, more durable, wireless, and tailored to individual needs.

Hit the source link and their published paper for more details.

Source: IEEE