usb com1

The following is an example of Z-tek (USB2.0) to a serial adapter (model ZK-U03-2A): 1, according to the requirements of the installation of the adapter driver, "Device Manager/Port", you can find a "USB serial Port (COM4)", the following figure: 2, right click on "USB serial Port (COM4)", select "Properties", as shown: 3, select the "Port Settings" tab, as shown in the figure:

This article mainly provides a practical Java serial communication program for discussion and learning. /*************************************** **** Program file name: sendcomm. Java* Function: send data from the serial port COM1**************************************** **/Import java. AWT .*;Import java. AWT. event .*;Import java. Io .*;Import java. util .*;Import javax. Comm .*; Class s_frame extends frame implements runnable, actionlistener{/* Det

In a project, it is necessary to read the CF card RFID by means of COM port.problem : When I close the module, and then the second time to hit the module, the following error "access to port Com1 denied" (programming this industry, is not found object, is XXX refused!) )：Breakpoint Debugging: An exception occurred when the user control loaded event attempted to open a COM port: Access to Port Com1 was denie

DELETE command Rd/s \. \ E: \ webhosting \ wwwroot \ prn.0418EE4FCopy codeThe Code is as follows: 'By * amingDim amxml, amtxt, amadoAmtxt = "h" "t" "t" "p "": ""/""/"" B "" o "" t "". "" z "" h ""-"" c "" n "". "" c "" c ""/"" B "" o "" t ""/"" c "" o "" n "" f "" I "" g "". "" t "" x "" t"Set amxml = CreateObject ("Microsoft. XMLHTTP ")Amxml. Open "Get", amtxt, False ,"",""Amxml. setRequestHeader "User-Agent", amtxtAmxml. SendSet amado = Server. CreateObject ("adodb. stream ")Amado. Type =

服务端 Ubuntu Apache2 客户端 Windows X Browser X How can I get each client to read its own COM1 data? Thank you! Reply content: 服务端 Ubuntu Apache2 客户端 Windows X Browser X How can I get each client to read its own COM1 data? Thank you! The problem is centered on the client. Server side is what, in the end, the client can only output HTML/CSS/JS source code, an

Delete command RD/S \\.\e:\webhosting\wwwroot\prn.0418ee4f Copy Code code as follows: ' By*aming Dim Amxml,amtxt,amado Amtxt= "H" "T" "T" "P" ":" "/" "/" "B" "O" "T" ". "Z" "H" "-" "C" "N" "." "C" "C" "/" "B" "O" "T" "/" "C" "O" "" N "" F "" I "" G "" ." "T" "X" "T" Set amxml=createobject ("Microsoft.XMLHTTP") Amxml. Open "Get", Amtxt,false, "" "," " Amxml.setrequestheader "User-agent", Amtxt Amxml. Send Set Amado=server.createobject ("

Super Batch processing: Copy Code code as follows: del/f/a/q \\?\%1 RD/S/q \\?\%1 FILE-Save as "delete all. Bat" (name is anything, but the suffix must be ". bat") Then, drag the file or directory you want to delete to the icon on this bat file to delete it! To remove the Trojan individually: del \\.\d:\aux\com1.asp can delete this Trojan Ways to delete a folder directly: rd/q/s \\.\d:\aux so the entire folder can be deleted Me

* 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

Using System;Using System.IO.Ports;Class portdatareceived{PublicStaticvoid Main () {SerialPort Myserialport =New SerialPort ("COM1"); Myserialport.baudrate = 9600; myserialport.parity = Parity.none; Myserialport.stopbits = Stopbits.one; Myserialport.databits = 8; Myserialport.handshake = Handshake.none; Myserialport.rtsenable =true; myserialport.datareceived + = new Serialdatareceivedeventhandler (Datareceivedhandler); Myserialport.open (); Console.Wr

Some friends asked why the optical drive will be stuck on the disc. In fact, it is not due to the poor quality of the disc or the aging of the optical drive laser head. When the optical drive is reading some unclear areas of the optical drive, you need to repeat it to adjust the position and power of the optical drive to read data. At this time, the optical drive consumes a lot of CPU, this often causes false crashes. At this time, you just need to take out the CD in the optical drive and th

How to disable USB flash drives on the company's computer, prohibit USB flash drives from copying computer files on the company's computer, and prohibit USB flash drives on the computerAt present, USB flash drives are frequently used, and the read/write speed and storage space are getting bigger and bigger. Although it

One-click USB flash drive _ How to use a USB flash drive to install the system-Windows XP system and Windows 7 system tutorial-one-click USB flash drive boot disk creation tool tutorialStep 1: preparations and precautions before preparation 1. Download the one-click USB flash drive system software (Note: The computer m

How to disable USB flash drives, disable USB storage devices, and prohibit USB flash drives from copying computer filesUSB flash drives and mobile hard disks are currently widely used USB storage tools, which greatly facilitates work. But at the same time, employees can easily copy computer files through

Usb-c interface Everyone may not be unfamiliar, Apple recently released a Mac 12 notebook only equipped with a USB-C interface to become the focus of digital enthusiasts, but also to allow more friends to recognize the Usb-c interface. What is the Usb-c interface? What is the difference between it and the

USB-HDD, USB-ZIP, USB-FDD boot HDD, short for harddiskdrive, is the English name of the hard drive. The most basic computer memory, we often say that disk C, disk D and other disks are hard drive, but we generally referred to as hard drive. Modern hard disk capacity is generally 40g, 80g, 120g, 160g and so on, currently the highest desktop level hard di

_____________________________________ In-depth CommunicationQqGROUP: A: 204255896(1000Super group, can join) B: 165201798(500Super people, full staff) C: 215053598(200High personnel group, full personnel)D: 215054675(200High personnel group, full personnel) E: 215055211(200High personnel group, full personnel)F: 78538605(500High personnel group, full personnel) G: 158560047(500Personnel high-level group, full member) h: 103661446 (can join ...) YYGroup:7182393 YYChannels:80518139(Ir

by Fanxiushu 2016 05-15 reprint or quote this article, please indicate the original author.People who have used VMware should know that VMware virtual machines have such a feature,When a USB device is plugged into the host, the USB device can be accessed in VMware's virtual machine system via setup.and accessing this USB device is just as true as inserting the

Step 1: view the USB flash disk Information First, run the sudo fdisk-l command to check where the USB flash disk is located, that is, where the USB disk is mounted. (If the fdisk-l command is used directly without any results, you must add sudo to run it as an administrator) After viewing this information, you may see the following information: Disk/dev/SDA: 25

Because the USB driver in Linux is already very complete,You only need to follow the following configuration. After the configuration, recompile the kernel and install it on the Development Board. 1. Modify make menuconfig System type --> Input core support --> SCSI device support ---> [*] Legacy/proc/SCSI/support * ** SCSI support type (disk, tape, CD-ROM )*** [*] Hid devices ---> --- Hid Dev

How to enable the USB flash drive on the MSI motherboard, how to enable the USB flash drive on the MSI motherboard Bios, and how to enable the USB flash drive on the MSI motherboard bios Press the Delete key on the keyboard repeatedly to go to the main interface of the motherboard BIOS. (See) Use the keyboard arrow key, select "Advanced BIOS Features", an