Abstract: The principle of 3DES encryption algorithm is introduced and the FPGA design and implementation of the algorithm are described in detail. The state machine and pipeline technology are used t...
I would like to ask: 1. A stepper motor needs a dual ring pulse signal and an amplifier drive. Does the stepper motor come with them? 2. Can a stepper motor be controlled without a microcontroller? Th...
1. Overview
With the continuous enhancement of wireless coverage of mobile networks, the scale of base station and computer room construction is expanding. The work of site power consumption informati...
I have always wondered what the difference is between the Chinese version of BB-BLACK and the foreign version of BB. I recently planned to buy one to learn from. When I was shopping, I found that the ...
[align=left][font=微软雅黑][size=3]Automotive electronics, especially new energy vehicle applications, have been favored by the market in recent years. So, we decided to "follow the trend" and recommend s...
I want to make an isolated power supply with input AC176-264V and convert it into DC190VDC-375VDC. Output 30V1A, F=100KHz △B=0.2 Ae=118m2 Dmax=0.45 η=0.8[/size][/font][/color][/align][align=left][colo...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]