![]() I lifted the Rockwell chip, grabbed the datasheet, took some measurements, and started plotting a course: I may not be able to easily design a complete Duo replacement modem board, but that doesn't mean I can't try to modify an existing one! I know from experience I can get a PB 180 to speak AT to an ESP8266 serial wifi chip in place of the original Rockwell RCV144DPL equipped Global Village. In short, building a replacement would require a fair amount of reverse engineering beyond the capability of this occasional hobbyist, so aside from buying a spare modem module from a recycler to play with, I tabled the idea.įast forward a couple months, I have a bunch of spare PB 1xx Global Village modems sitting loose as a result of an ongoing project to develop a wifi modem replacement for that series of laptops (thread over in hacks), and I happened to notice something: They use the exact same Rockwell chipset as my Duo 280c. Furthermore, the Duo's Developer's Note is much more vague than it's 1xx companion and doesn't include connector pinout info. Finally, everyone laughed when I complained that I didn't know how to use ‘MacWord’.When I previously expressed interest in developing an ESP8266 wifi modem replacement for the Duo, pointed out that the "modem" board on the Duo serves other purposes (e.g., the power switches) and the much larger connector isn't just a glorified RS-232 port. We interacted a lot in informal settings and completed the project tasks with humor and ease. I had an opportunity to see how other students, who had different backgrounds and already worked in industry, approached project design and management. degree, my fondest memory was working in teams on a human computer interaction course project. What is your fondest memory of your time in the department? Each of us was wearing a garment with a Virginia Tech logo for easy recognition. Once I met a fellow Virginia Tech alumnus, a mechanical engineer, next to a waterfall of a French Caribbean island Guadeloupe. It is also fun to be a part of the Virginia Tech community. Most of all it's a sense of belonging to a good school with a solid education. What does being a Virginia Tech alumna mean to you? There were much fewer opportunities to rectify mistakes once I've left the department. I am grateful to the department faculty and peers that were kind to forgive my mistakes and that I had ample opportunities for do-overs. In a sense, the department was the real-world for me: I was working and studying there full time with enough salary to take care of myself and still save some. How did the department equip you for the ‘real world’? Before ODU, I was a scientist with the Ames Laboratory of the Department of Energy and a professor at the University of Minnesota Duluth. I've been here for nine years already, which, albeit short or average by academia standards, is the longest I've worked in one place. I am now teaching almost on the same latitude as Blacksburg, just in a more maritime climate of Norfolk, Virginia, where my employer, Old Dominion University (ODU), is located. As long as you work efficiently, are willing to learn, have curiosity, and do things you promise to do, a good student-teacher relationship may be established and education goals accomplished. ![]() I try to imitate their approach with my own students now. Studying was tough but I was learning many interesting things and all my professors were understanding and kind. This had tipped the scale for me to come to Blacksburg in 1993. My friends in California knew that Virginia Tech was a good engineering school. First, I decided to pursue graduate studies, selecting Virginia Tech from the three schools that offered me admission. I had to learn to make my own decisions coming to the United States from the collectivist mindset of ex-Soviet Union. This motto also succinctly bridges my exposure to horizons of places, cultures, and people. ![]() This extends to both my personal and professional life. My motto in life is "perceive, think, act", which enables me to make informed decisions, learn something new in every situation, and to be responsible for my actions. Professor, Computational Modeling and Simulation Engineering
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