180PL390DAA

1. Overview Most of the industrial computers, various communication modules, security devices and field measuring instruments in the intelligent instrument control system use integrated circui...[Details]

    According to reports, the life performance measurement and evaluation of traditional light sources have been standardized. Because of their short life and interchangeability of light sources, whe...[Details]

Following Apple, Samsung also launched its own repair service Business Code April 2 (Shao Feng) reported that after Apple launched its self-repair service, the right to repair movement has once again...[Details]

In early June, the Ministry of Industry and Information Technology officially issued 5G licenses to four telecom operators, making China the fifth country in the world to launch 5G services after Sou...[Details]

#include void leddisplay(); // digital tube display void delayms(unsigned int k); // delay n ms void USART_SEND(unsigned char dat); // serial port sending subroutine unsigned char data ledxs ={16...[Details]

1. Current-mode control Principle and characteristics principle: The current-mode pulse width modulation (PWM) controller adds a current feedback control link inside the ordin...[Details]

Corrections from the previous version. sd3008 does a bus reset 0.5s at the beginning of each communication, so there is no need to consider the i2c bug problem of stm32. And, should the HAL libra...[Details]

　　With the development of embedded technology in recent years, embedded products are increasingly widely used. However, embedded product development requires a lot of investment. It is necessary to b...[Details]

　　In order to quickly realize digital signal processing operations, DSP chips generally use special software and hardware structures. The following briefly introduces the basic structure of DSP chips...[Details]

Europe's second-highest court on Wednesday cut an antitrust fine against Infineon by 7% to 76.87 million euros ($86.7 million), saying the company did not have as many monopoly ties to other members ...[Details]

How to connect the car speaker crossover Crossover: INPUT: audio input WOOFER: midrange TWEETER: treble In general, the crossover has the three interfaces as mentioned above. "INPUT" is t...[Details]

China’s battery technology “spillover” offensive continues unabated Even in the U.S. market, the "spillover" offensive of China's power battery technology continues unabated. Recently, BYD's subs...[Details]

#include  unistd.h #include  fcntl.h #include  sys/types.h #include  sys/ioctl.h #include  stdlib.h #include  stdio.h #i...[Details]

Three-terminal sampling integrated circuits are widely used in display switching power supply circuits. Their appearance is similar to that of transistors, but their internal structure is qualitative...[Details]

This year's Zhuhai Air Show is very popular. As an excellent stage for my country's military industry to "show off its muscles", we will also have the opportunity to "take a glimpse" of some thin...[Details]