The 6V battery-powered emergency lights on the market have too simple chargers that are easily burned out after long-term operation. It is also easy to overcharge the battery during charging, causing ...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:05[/i][backcolor=white][font=simsun][size=4][color=#000000]IT veteran Ji Yongqing: In the past few years, Chinese companies have suffer...
I want to use events to communicate between the driver and the application, so I call RtlInitUnicodeString(&eventname, L"\\BasedNamedObjects\ame"); event = IoCreateNotificationEvent(&eventname, &event...
I would like to ask: Does anyone have the PDF version of "The Platinum Handbook of ARM Embedded Application Development Technology" by Liao Rikun? Please share it with me. Thank you...
I want to ask, how much does the STM32F103V8 cost? I bought it for 25 yuan last time, it was okay. Now I am going to buy some STM32F103VB chips, I don't know how much they cost. Can anyone help me? Wh...
Although the competition is a digital competition, I have been more interested in domestic products in the past two years, so I chose domestic materials that are relatively good quality and cheap. It ...
Designers use PSpice primarily to simulate analog circuits. However, it can also be used to simulate digital filters. The main components in a digital filter are delay elements, adders, and multipl...[Details]
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
As the whole equipment is constantly miniaturized and power-saving, low-power-consumption low-dropout linear regulators (LDO) are becoming the mainstream of the linear regulator market for switching p...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[Details]
The particularity of portable medical devices determines that they should be user-friendly, must work in a sterile environment, and occupy little space and consume low energy.
At the same time, por...[Details]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
As microcontrollers become less expensive and more powerful, electrical designers are finding it more cost-effective to use multiple small controllers in both single-board and multi-board systems. ...[Details]
Today, various applications such as consumption, computers, industry and instruments urgently need compact and effective power solutions, while also meeting the requirements of efficiency, fast tra...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
Fetal monitoring is an important means to ensure the safety of perinatal mothers and fetuses and achieve eugenics. Intelligent fetal monitoring is a monitoring method that analyzes the health stat...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
l Introduction
Traditional human-computer communication is achieved through keyboard or mouse. The speed of information exchange is relatively slow, and the operator is required to have certain...[Details]