The PS-MCM-1.9G is a continuously variable, voltage controlled phase shifter. The assembly is composed of two quadrature hybrids (QHD-2Z-1.9G ), and four silicon hyper-abrupt junction varactor diodes,...
[i=s]This post was last edited by a736015 on 2014-5-29 17:14[/i] [align=left][font=宋体]1. Design requirements: input[/font]DC8-16V[font=宋体], output[/font]5V/1A[/align][align=left][font=宋体]2. Applicatio...
Application of TI battery management solution in smart locks [size=5][b][url=https://training.eeworld.com.cn/TI/video/9362]Web link[/url][/b][/size] [size=5] [/size] [size=5] [/size]...
callusbdi Windows WDM Device Driver Development Guide (Chris Cant) There is a dead wait when calling at dispatch_level, but the normal book also says that it can only be called at passive_level. What ...
Using a mobile phone as a monitoring terminal is simple and easy to use. At the same time, if the mobile phone is taken away, the communication will be disconnected, and the mobile phone and the devel...
[i=s]This post was last edited by damiaa on 2022-3-20 11:10[/i][Sipeed LicheeRV 86 Panel Review] + Hardware Circuit and Resources
I recently started to review the Sipeed LicheeRV 86 Panel and found th...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[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]
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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[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]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[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]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
PCB Design
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