The international general name of silicon controlled rectifier (SCR) is Thyyistor, which is abbreviated as thyristor in Chinese. It can work under high voltage and high current conditions, and has the...
I am a novice, and I want to ask why CCS3.3 cannot create a project. The "project" column is bold and the "finish" icon is shaded. I cannot create a project. Please help me. In addition, I sincerely a...
Because children are short, it is difficult for drivers to spot them when they cross the road, which can easily lead to traffic accidents. To reduce the occurrence of tragedies, Australian government ...
[i=s]This post was last edited by nemo1991 on 2015-3-27 22:33[/i] [size=6][color=#ff8c00]The study notes use F28069 as an example, but it has universal significance and can be used as a reference when...
[font=微软雅黑][size=3]In digital image processing, Lena (Lenna) is a widely used standard image, especially in the study of image compression algorithms. [/size][/font] [font=微软雅黑][size=3] [backcolor=rgb...
If you are a RD engineer, technical manager, researcher or teacher in Nanjing:
· Robotics, autonomous systems, artificial intelligence· Simulation optimization, algorithm development· System design, e...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]