Some time ago, I saw the big guy [ btty038 ] who bought a ZTE power supply, and then DIYed it into an adjustable DC power supply according to his own needs [ https://en.eeworld.com/bbs/thread-1199304-...
With the development of modern inverter technology, switching power supplies are widely used in . However, the rapid increase in the operating frequency of switching power supplies has caused a lot of...
Starting from the actual work needs, "What an Electronic and Electrical Engineer Must Know (2nd Edition)" summarizes the most critical knowledge points in the daily work of a modern electronic and ele...
[align=left][align=center][font=微软雅黑][size=4][color=#0000ff][b]Have you used BP? [/b][/color][/size][/font][/align][/align][align=left][align=center][font=微软雅黑][size=4][color=#0000ff][b]Are you famili...
1. OverviewI am an ordinary engineer. I recently purchased several electronic components through Li Jun , the contact person of Shenzhen Shangsite Technology Co. , Ltd. , but he never delivered the go...
LED is the abbreviation of “Light Emitting Diode”, which is translated into “light-emitting diode” in Chinese. It is a semiconductor device that can convert electrical energy into light energy. ...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
RTC: Real time clock In comparison, the RTC of STM32F407 is easier to configure than that of STM32F1. Of course, the resources of F4 are much richer. For specific resources, please refer t...[Details]
Fault 1: No response after power on, unable to boot Test results: After testing, the instrument CPU board is damaged, causing it to fail to boot; after booting, the self-test reports an error, the ou...[Details]
Five aspects that cannot be ignored when choosing a power supply When buying a power supply, consumers often check the nameplate to see if it has 80plus certification, to see if the power is suffici...[Details]
Simulation diagram: The temperature sensor on the left is not related to this example. #include "iom48v.h" #include "macros.h" #define uchar unsigned char #define uint unsigned int #define KEY_Pres...[Details]
When the switch SP1 is pressed, the AT89S51 microcontroller generates a "ding dong" sound which is output from the P1.0 port to the LM386 and then sent to the speaker after amplification. Circuit Sch...[Details]
On the evening of April 25, Lens Technology's annual report showed that in 2020, it achieved operating income of 36.939 billion yuan, an increase of 22.08% over the same period last year; net profit ...[Details]
To achieve fully reliable autonomous driving, there are currently two mainstream directions: One is to use sensor equipment such as laser radar, through AI and single-vehicle intelligence, to allow...[Details]
With the development of automobile and internal combustion engine vehicle technology, automobile batteries and current management have gradually become the focus of future automobile technology. Al...[Details]
AT89 Many netizens who are new to 51 microcontrollers will have such questions: What is AT89S51? Books and online tutorials are all about 8051, 89C51, etc.! I have never heard of 89S51. Here, beginner...[Details]
A new generation of young consumers has changed their decades-old audio-visual habits. Previously, headphones were only worn when needed. The introduction of true wireless (TWS) earbuds has changed t...[Details]
According to foreign media reports, automotive vision technology innovator Foresight Autonomous Holdings is using advanced vision technology to improve 3D perception to increase accuracy and road saf...[Details]
License plate recognition (LPR) technology is a fusion of computer vision, image processing technology and pattern recognition technology. It is a very important technology in intelligent transport...[Details]