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Implementation of USB-UART Converter for Digital Virtual Experiments

  • Journal of Software Assessment and Valuation
  • Abbr : JSAV
  • 2025, 21(3), pp.79~85
  • Publisher : Korea Software Assessment and Valuation Society
  • Research Area : Engineering > Computer Science
  • Received : August 6, 2025
  • Accepted : September 20, 2025
  • Published : September 25, 2025

Ki Jang Geun 1

1국립공주대학교

Accredited

ABSTRACT

In order for hybrid learning that combines the advantages of online and offline learning in engineering education to efficiently achieve the intended educational goals, it is essential to develop a virtual experimental tool that can replace offline experimental practice. In this paper, we developed a USB-UART conversion module that enables a virtual microprocessor within virtual experiment software to transmit and receive data with external physical devices via the RS232 serial communication, and verified its functionality through experiments. The developed USB-UART conversion module is provided in the form of a device in the virtual experiment software and is connected to the virtual microprocessor using Rx/Tx lines in the RS-232 serial communication. It also provides an interface function with other external real-world devices through the USB virtual COM port of the host computer running the virtual experiment software. The developed USB-UART conversion module was successfully validated through experiments and is expected to significantly enhance the utilization of virtual experiment software by enabling RS-232 serial communication between virtual microprocessors and external physical devices extending its application beyond purely virtual environments.

Citation status

* References for papers published after 2024 are currently being built.