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...
StartFragmentMy program generates 4-channel PWM, 2 of which are 90 degrees different from the other 2. The frequency displayed by the oscilloscope is not the 50HZ I set. It is very slow. What's going ...
By chance, I found that the MSP430F2xxx board I made would have the information memory erased for unknown reasons when powered on. Later, I tested several boards and found that some of the boards woul...
A pressure sensor is a device that detects pressure and converts the pressure signal into an electrical signal and outputs it linearly. Pressure sensors can be divided into mechanical pressure sensors...
Write a low-level software, download it to the microcontroller, and run it automatically when powered on. There are 10 files pre-stored in the CF card. Each time the power is turned on, a different fi...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[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]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[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]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
At present, the most troubling thing about pure electric vehicles as new energy sources is not only the range anxiety, but also the disadvantage of long charging time. At present, ternary lithium b...[Details]