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https://bravikov.wordpress.com/%d1%80%d0%b0%d0%b7%d1%80%d0%b0%d0%b1%d0%be%d1%82%d0%ba%d0%b8/usb-16-uart/
Многопортовый высокоскоростной переходник USB — 16 UART (COM, RS-232)