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An affordable open-source hydrophone for low-frequency underwater acoustic measurements for educational and small-laboratory applications.

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Title: An affordable open-source hydrophone for low-frequency underwater acoustic measurements for educational and small-laboratory applications.
Authors: Le NT; Key Laboratory of Digital Control and System Engineering (DCSELab), Faculty of Mechanical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City, Viet Nam.; Vietnam National University Ho Chi Minh City, Linh Xuan Ward, Ho Chi Minh City, Viet Nam., Nguyen NH; Key Laboratory of Digital Control and System Engineering (DCSELab), Faculty of Mechanical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City, Viet Nam.; Vietnam National University Ho Chi Minh City, Linh Xuan Ward, Ho Chi Minh City, Viet Nam., Truong CT; Key Laboratory of Digital Control and System Engineering (DCSELab), Faculty of Mechanical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City, Viet Nam.; Vietnam National University Ho Chi Minh City, Linh Xuan Ward, Ho Chi Minh City, Viet Nam., Nguyen HH; Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology and Engineering, Ho Chi Minh City, Vietnam., Nguyen TT; Key Laboratory of Digital Control and System Engineering (DCSELab), Faculty of Mechanical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City, Viet Nam.; Vietnam National University Ho Chi Minh City, Linh Xuan Ward, Ho Chi Minh City, Viet Nam., Duong VT; Key Laboratory of Digital Control and System Engineering (DCSELab), Faculty of Mechanical Engineering, Ho Chi Minh University of Technology (HCMUT), 268 Ly Thuong Kiet Street, Dien Hong Ward, Ho Chi Minh City, Viet Nam.; Vietnam National University Ho Chi Minh City, Linh Xuan Ward, Ho Chi Minh City, Viet Nam.
Source: HardwareX [HardwareX] 2026 May 24; Vol. 26, pp. e00798. Date of Electronic Publication: 2026 May 24 (Print Publication: 2026).
Publication Type: Journal Article
Journal Info: Publisher: Elsevier Ltd Country of Publication: England NLM ID: 101710262 Publication Model: eCollection Cited Medium: Internet ISSN: 2468-0672 (Electronic) Linking ISSN: 24680672 NLM ISO Abbreviation: HardwareX Subsets: PubMed not MEDLINE
Database: MEDLINE Ultimate
Description
ISSN:2468-0672
DOI:10.1016/j.ohx.2026.e00798