Under non-root permissions to run the IDE, such as VIVADO/QUARTUS/CCS, need to use JTAG when the issue of permissions, almost all USB debugging devices under Linux will encounter this problem. Here is an example of how to solve this problem with Xilinx Platform Cable USB.After plugging in the USB, view the deviceLsusb001 006View permissions for this devicels -l/dev/bus/usb/001/006CRW11895 24 :/dev/bus/usb/ 001/006You can see that the current user do
The network cable head through a period of 20-30 centimeters, the inner core and then cut off 5 centimeters. Still according to the national Standard access method: 1 orange White 2 orange 3 green White 4 Blue 5 blue white 6 Green 7 Brown white 8 brown 1236 of which are connected with the line in the original cable, and 4 with the cut off the line of 4578 centimeters and then suppressed, the following figur
Many people doubt that the length of the network cable will affect the speed of the Internet, in fact, transmission speed is very fast, if the network cable is no problem, not blocking, the speed is no impact
But if the network cable is long, can not avoid being crushed or short circuit may, brought the speed of instability factors
And the speed is still
I have to say, Photoshop pen tool is really a very powerful tool, because it can be used to create pictures of lifelike images. Today's small series to share with you is to use PS to draw a realistic USB cable tutorial.
1th Step
Open a new document 1000x1000 Pixel, resolution: at the DPI. This document will use about 60 floors. Organization is the key. I've created 4 folders to organize my layers. See the picture below.
2nd Step
Draw t
The light is not on when the computer connects the network cable.
1, right click on the computer, turn on Computer Management-Device Manager;
2, check the network adapter driver is normal, if there is a question mark for lack of drive, if a red fork means that the network card is disabled, can be installed according to the situation or enable the network card driver;
3, if the NIC driver is normal, then look at the network
In general, the chassis we can buy now provides front-end USB and front-end audio as well as switch-key functions. And the need for us to connect including switch machine button, hard drive indicator, audio interface and USB cable. It is easy to install the audio and USB cable, is usually modular design, and switch machine buttons because each motherboard manufacturer design is different, so there will be s
The following events occur on the Shenzhou f233r version Ubutun 14.04 12.04Today to my very old notebook installed on the ubutun14.04 32, found that really slow ah, decisive change back to 12.04 appear on the internet after not recognized, network cable lights not bright problems.The solution is as follows:After installing the Ethtool tool, execute the command:Configure the network port to full duplex and the highest network card support speed is avai
Note: IPhone5S want to connect to the computer, first need to download the iphone helper class software on the computer.
1.ios7 and above system has the data line detection function, if not the original data line sometimes can not charge Oh.
2. The Shanzhai version of the data cable may have problems so we'd better use the original data cable.
3. If the data cable
connected directly with
How to make Gigabit cable
The form of Gigabit 5 or Super 5 twisted-pair lines is the same as that of the hundred-gigabit cable, which is also divided into two kinds: straight and cross. Straight line cable and we usually use no difference, are one by one corresponding. But the traditional hundred gigabit network only uses 4 cables to tr
Influence of internal resistance of USB data cable on charging current
Mobile phone and tablet Charger interface for USB interface, the use of the adapter through the power of the USB cable and ground to form a loop to charge the phone, if the quality of the data line, the resistance of the line is large, charging current in the data line pressure drop will become larger. The input voltage on the power man
Tags: serve using more than open installation method to run the LAN via spanThe person who can see this blog note that the attempt failed, will find that the memory card after the flash into Ubuntu, unable to operate the Raspberry Pi via ssh. It is because the official Ubuntu system needs to set something for the first time, similar to the initial startup of Windows, if not set up, even the operation account is not (root), so even SSH can not use the eggs. So you need to choose a non-official, s
Air Blowing Principle
Gas Blowing cables/tubes are used to push micro-tube bundles or micro-cables to the pipe, while the air compressor sends powerful air streams to the sealing silo of the Gas Blowing Machine, this high-speed flow of air forms a drag force on the surface of the cable and pipe, prompting the cable and pipe to move forward. Therefore, the cable a
Comparison of IP transmission technology in cable TV networks
Abstract: IP transmission technology in cable TV networks includes three forms: IP over ATM, IP over SDH, and IP over WDM, this article introduces and compares the three IP Address Transmission Technologies in detail.
Key words: IP technology, cable TV network, IP over ATM, IP over SDH, IP over WD
In the formation of local area network, in accordance with the general wiring of generic specifications, the construction should be used with "rice standard" network cable or on both sides of the crystal head set dedicated "special-shaped number", and in the cabinet to do with "rice mark" or "Number tube" corresponding to the computer identification record Many units have a small number of original computers, later, gradually added some computers, com
Wireless router Setup is more and more simple, but now is the router installation and network connection is not a lot of netizens. How to connect the router network cable? In fact, it is very simple, today's triple small series for you to share the most common 3 kinds of wireless router cable connection methods.
Router network cable How to connect 3
In the formation of local area network, in accordance with the general wiring of generic specifications, the construction should be used with "rice standard" network cable or on both sides of the crystal head set dedicated "special-shaped number", and in the cabinet to do with "rice mark" or "Number tube" corresponding to the computer identification record Many units have a small number of original computers, later, gradually added some computers, com
As we all know, the network cable is one of the most basic hardware facilities for us to access the Internet and the most inconspicuous equipment. We are used to purchasing a ready-made network cable. We seldom care about how the network cable is made. We only know that the network cable must be composed of eight cores
A sound video transmission design is a very important part of the CCTV system. If a set of built systems choose cameras, lenses, monitors, and video recorders that can produce or process high-quality images, but there is no good transmission system, eventually, the images seen on the monitor will not be satisfactory. According to the "barrel rule", the final image quality will depend on the worst part of the entire system, which is often the transmission system. System designers and installers m
Now is a network of the world, the network to hundreds of millions of computers, notebooks, tablets, mobile phones together. The network connection way, divides into wired and wireless two kinds. Wired connections are basically connected by a network cable. So it is necessary to know the network cable.
One, the network cable, also known as twisted pa
Overview
Verification-check whether the bandwidth of the existing cabling system supports voice, 10/100, VoIP, or Gigabit Ethernet
Fault Diagnosis-shows why the existing cabling system cannot support network bandwidth requirements, for example, there is a crosstalk at 11 meters)
Search-detect the device connected to the other end of the cable and display the device configuration speed/duplex mode/line pair)
Identifies unused switch ports for easy
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