Tech

Battery-free sensor powers up wirelessly via local circuitry radiation

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 08/11/2026, 03:13:24 UTC.

Briefings

Scientists at the University of Arkansas and University of Michigan developed a battery-free sensor that harvests electricity from ambient radiation using local circuitry. The device operates by converting environmental radiation into usable power, potentially enabling wireless sensor networks without batteries. This breakthrough addresses energy constraints in IoT devices by utilizing existing environmental energy sources.

Key points

• The University of Arkansas and University of Michigan researchers created a device that harvests electricity from ambient radiation using local circuitry.
• The sensor operates without batteries, converting environmental radiation into usable power for wireless communication.

Context

This research addresses energy constraints in IoT devices by utilizing existing environmental energy sources, potentially enabling wireless sensor networks without batteries.

Limitations

Evidence is limited to the two university affiliations and the specific mechanism of radiation harvesting. No specific energy output values, operational temperatures, or deployment locations are provided. The device's performance under varying radiation conditions remains unmeasured.

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