how to connect usb device to rs232 port

/VISAInstrumentClone your C # source code yourself or fromHttps://github.com/cnxy/VISAInstrument/releasesDownload release version to get the EXE file running separately.V. OtherRS232: Support common RS232 serial programming, the general address is "ASRL1::INSTR"USB: Support Common USB Interface programming, general address similar to "USB0::0X2A8D::0X0101::MY5750

* COM is displayed in the PC adapter that sets the pg/PC interface in Step 7. Indicates that the comport is replaced by another ProgramOccupied. When kepserverex4.0 is used, when the Siemens S7 MPI device driver is used, the COM1 port is prompted to be used by another program. After I disabled some AB processes on my computer, COM1 was released. In this way, kepserverex4.0 can communicate with plc314 throu

1. Turn on USB debugging in your phoneGo to "Settings", "Application", "development" check "USB Debugger". This allows the device to be recognized by the PC when it is connected via USB.2. Install the driverTo connect your Android phone to your PC you need to install a drive

Start with two open source projects one is Google's Open source project: https://code.google.com/archive/p/android-serialport-api/The other is the open source project we introduced this time: https://github.com/mik3y/usb-serial-for-android　　First step: Get all the plugged-in serial drivers1 Usbmanager manager = (usbmanager) Getsystemservice (context.usb_service); 2 list usbserialprober.getdefaultprober (). FindAllDrivers ( Manager); 3 if (Availabledri

WM_DEVICECHANGLE message. When nEventType is DBT_DEVICEARRIVAL and dwData = 7, it is a USB flash drive connection event (if it is correct) I want to set the GUID dbcc_classguid OF THE DEV_BROADCAST_DEVICEINTERFACE struct in RegisterDeviceNotification to the GUID of the device. What are the parameters? typedef void (__stdcall *FUNC_TYPE_HIDGUID) (OUT LPGUID HidGuid);FUNC_TYPE_HIDGUID _HidD_GetHidGuid = N

1, open Active Directory Users and Computers; 2, select the need to disable the USB device OU, and click the right mouse button to Group Policy; 3, create a GPO for USB, and click Edit, open Group Policy Editor; 4, into the Group Policy Editor, expand Computer Configuration, Windows settings, security settings, file system, and so on; 5, right click on "Add F

The first step is to properly install the driver for the USB-to-port device (on a random disc in a USB-to-port device), and the USB001 port will appear in the same directory as the Byla