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A Health Monitoring Wearable That Operates Without a Battery

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The device delivers health information using energy created by the wristband’s nano energy generators to power its sensor circuitry to display the wearer's pulse rate on an LED display, or by using embedded near-field communication technology to co

Credit: University of California, Irvine

University of California, Irvine (UCI) researchers have developed a self-powered, wireless wearable device that can monitor a user's pulse.

The researchers indicated that a change in the sensor circuitry could allow for the monitoring of heart rate, body temperature, blood pressure, and other vital signs as well.

The wristband features triboelectric nanogenerators (TENGs) that convert mechanical thumping or pressure into electricity, to power the device so it can display the user's pulse rate on an LED display.

It also features near-field communication technology to allow for wireless power and data exchange between the wristband and a nearby mobile device.

Said UCI's Rahim Esfandyar-Pour, the wristband "enables continuous, battery-free, wireless, and on-demand health monitoring anytime and anywhere. It's made with low-cost and flexible materials and can be tailored to meet a variety of wearable bioelectronic sensors' requirements."

From University of California, Irvine
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