Our intelligent miniature circuit breaker currently adopts the solution of MCU (STC series) + metering chip (CS5463). The internal structure of the finished product is as follows:If we replace the cur...
[size=4]The "New Thinking. New Trends" Hefei Technical Seminar hosted by element14 will be held at Crowne Plaza Hefei on June 13, 2018. In this seminar, element14 will work with many technical experts...
waveOutSetVolume(NULL,0) After muting the system sound, there is still a "pop pop pop" sound. Have you ever encountered this phenomenon? I changed the speaker and still have this problem. It seems tha...
[i=s]This post was last edited by kal9623287 on 2022-8-8 09:32[/i]The circuit below is not complicated, but I just can't figure it out. When D2, D3, and D4 are turned on, U1 and U2 heat up very badly,...
I found an STM32F103C8. It was absolutely genuine when I bought it, but I bought it in 2018. I wonder if anyone wants it now? If so, how much would you offer?...
Long ago, the lifespan of cars in my country was 15 years. Once a car reached 15 years old, it was forced to be scrapped. However, the policy was later changed. As long as the car does not exceed 6...[Details]
Is pure electric vehicles a false proposition for long-distance driving? At least from my personal perspective, based on current technological and infrastructure standards, I believe so. Below, I'l...[Details]
Topics: Bring Your Own Device (BYOD) trends; the impact of using employees' own mobile devices to control access to work facilities and equipment on information security; and ways to securely imple...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
With the increasing popularity of automated equipment, linear modules, a common auxiliary device for automated equipment, have also seen a bright future. In particular, in recent years, many small ...[Details]
Charging is an essential topic for electric vehicles. Batteries are a core component of new energy vehicles. So, what's the optimal charge level for electric vehicles? Based on current battery tech...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]