300 citizens changed their cards on the first day to try it out. Changing an RFID-SIM card only takes a few seconds. This newspaper (Reporter Jiang Si, Correspondent Zhou Yulan) Swipe your phone to ta...
I just received the sample from EEworld and I can't wait to open it. The packaging is very exquisite.I took out the sample and tested it without saying anything.I found that the current is about 2mA w...
I wrote a driver that starts the timeout timer after receiving the first byte of the protocol, and resets the receiving buffer if the timeout expires. I don't know how to use the timer in the driver, ...
I want to use the 4 captures of F5529 for sound positioning, corresponding to P1.2--P1.5, but why is there no pin for P1.2-P1.5[img]C:\Users\king\Desktop[/img]...
[i=s] This post was last edited by Tech Hunter on 2016-6-16 18:17 [/i] [MsgOS] Post an operating system I wrote for cortex-m microcontrollers [url]https://bbs.eeworld.com.cn/forum.php?mod=viewthread&t...
As the title says, the project requires an encryption chip, but Microchip is currently in serious shortage.Are there any recommendations from domestic manufacturers for an asymmetric encryption soluti...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]