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The interface detects various walking motions such as walking, running, and limping, and reflects these movements in the virtual environment to deepen the user's sense of immersion. To achieve this, a sensor device based on Arduino was developed to analyze acceleration data from a gyroscope sensor. This data was then integrated with the Unity3D engine to synchronize character animations and first\u2010person visual effects. Additionally, a multi\u2010user environment was implemented using Bluetooth connectivity with mobile devices, allowing both head\u2010mounted display (HMD) and non\u2010HMD users to share the same virtual experience. Owing to its low cost and high compatibility, this interface can provide an immersive VR experience not only for general users but also for those with mobility impairments, suggesting its potential for applications in fields such as healthcare, education, and psychological rehabilitation.<\/jats:p>","DOI":"10.1002\/cav.70103","type":"journal-article","created":{"date-parts":[[2026,3,11]],"date-time":"2026-03-11T16:45:22Z","timestamp":1773247522000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["A Cost\u2010Effective Arduino\u2010Based Interface for Simulating the Gait of Able\u2010Bodied Individuals, Persons With Disabilities, and Zombies in Immersive Virtual Reality"],"prefix":"10.1002","volume":"37","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-1603-2675","authenticated-orcid":false,"given":"Jong\u2010Hyun","family":"Kim","sequence":"first","affiliation":[{"name":"College of Software and Convergence 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