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. 2021 Aug 3;12:4689. doi: 10.1038/s41467-021-25047-y

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 5 — a Circuit diagram and b real photographs of the FSS-TENG for lighting 912 LEDs. c Directly driving the simulated road warning lights with 348 LEDs at a wind speed of 5 m s⁻¹ (all of the lights have a diameter of 5 mm). d Circuit diagram of the FSS-TENG with an energy management unit (EMU) for powering electronic equipment. e Voltage curves of capacitors charging at 5 m s⁻¹ wind speed with EMU. f Voltage–time curve of two temperature hygrometers in parallel at 3 m s⁻¹ wind speed with the EMU. g The detailed voltage curve of the selected area in f. h The real photograph of the temperature hygrometers powered by the FSS-TENG.