Usb can control. You can use it to control some common things, which vb Industrial very useful for beginners, I would like to thank the use of

MLYHS
.....\DELPHI7-usb_diag
.....\................\usb_sample_diag.pas
.....\................\usb_sample_project.dof
.....\................\usb_sample_project.dpr
.....\................\usb_sample_project.exe
.....\vb-usb_diag
.....\...........\usb_diag.exe
.....\...........\usb_diag.frm
.....\...........\usb_diag.vbp
.....\...........\usb_diag_lib.bas

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