I am learning Linux programming, the program is as follows: #include
#include#include
#include
#includeint main(){ FILE *fp=fopen("lhz.h","r"); fp=NULL; if(fp!=NULL){ while(!feof(fp)) putchar(fgetc(fp...
There are many aspects to discuss when analyzing the security of UWB technology. First, the power of UWB pulses is 1/10000-1/100000, and then the power of the signal emitted by the mobile phone, so ev...
I want to learn about TI c2000 microcontrollers, and I have a question when I look at the 2812 routines. The header file declares some register structures, but I don't see any file that associates the...
All you need is a small piece of PCB, solder an STM32 MCU and crystal on the PCB, connect the JTAG pins to the JTAG socket, and lead out all the MCU pins. I see a lot of new MCUs and want to try out t...
[size=4]There are few technologies or standards as ubiquitous as the Universal Serial Bus, the USB we are familiar with. For nearly 20 years, USB has always played a great role in helping us transfer ...
On August 25th, TSMC, the world's leading contract chip manufacturer, attracted significant attention for its decision to build a chip manufacturing facility in Arizona. TSMC primarily manufactures...[Details]
According to foreign media reports, secondary battery materials company POSCO Future M announced that it has successfully developed two experimental (prototype) positive electrode materials for the...[Details]
This paper proposes a temperature real-time transmission and display solution based on LED optical data transmission, with Jingwei Yager low-power FPGA HR (Yellow River) series as the main controll...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Industrial computers with GPUs leverage powerful parallel processing to build deep learning models to analyze and respond to optical inputs. The systems develop an understanding of visual data to i...[Details]
As the power density of modern electronic systems continues to increase, effective thermal management has become critical to ensuring system performance, reliability, and longevity—especially in hi...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
In the wave of electrification and intelligence in the automotive industry, the E/E architecture is transitioning from distributed to domain control and then to regional architecture.
Th...[Details]
introduction
Commercial air conditioner PCBs involve both high-voltage and low-voltage power. The power supply for commercial air conditioners often passes through the controller. This forces ...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
The working principle of a frequency converter is to process input fixed-frequency AC power through circuits such as rectification, filtering, and inversion, and then output AC power with variable ...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
From August 8 to 12, 2025, the highly anticipated 2025 World Robotics Conference (WRC) will be held at the Beiren Yichuang International Convention and Exhibition Center in the Beijing Economic and...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]