[b]5. Positive power supply PNP transistor collector DC circuit[/b][align=left][color=rgb(34, 34, 34)][font="]The figure below is a positive power supply PNP transistor collector DC circuit. Q1 in the...
Industrial data links that require RS-232 data transmission over long distances or between multiple RS-232 applications typically use RS-232 to RS-485 converters. Despite high signal swings up to ±13V...
[b][size=3]Since the system is running slow recently, I cannot guarantee the time to play with this board. This post should have been written a long time ago, but it has been delayed until now. {:1_91...
It is recommended to open a special section for application software in the download center, where users can upload some tool software, which will also make it more convenient for everyone to download...
[align=left][font=Tahoma,]In the previous blog post, I have introduced the whole process of building custom peripherals for AXI bus, including the Verilog logic part and the bare metal software part. ...
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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[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]
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]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[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]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]