Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
I updated the IDF and found that the USB interface has changed a lot. Fortunately, I managed to get it connected in time. I don’t know why, but I just use it....
The price of TPS54340 has risen from 3.5 to 15 yuan. Now 431 is used as the reference and loop, 5 BJTs are used for PWM+DRV, and NMOS is promoted. The replacement cost is 1.2 yuan. The efficiency is e...
For bidirectional DC converters, some tubes have large voltage ringing spikes when boosting, but the voltage is much improved when stepping down, and the opposite is true for some tubes. In addition t...
I would like to ask how to calculate the resistance value and choose the model of the resistor? I only know that this should use the RC discharge curve to calculate the resistance value and power? I d...
Verilog HDL is a language used for digital logic circuit design. The circuit design described by Verilog HDL is the Verilog HDL model of the circuit. Verilog HDL is both a behavioral description langu...
Anyone who has used SIwave knows that the software does not support direct import from Altium and needs to be converted to anf, but exporting from Altium to anf is very troublesome.
Today I found a si...
Fuzzy control technology is a computer digital control based on fuzzy set theory, fuzzy language variables and fuzzy logic reasoning. It first appeared in the 1960s and developed rapidly in the fol...[Details]
Bit clearing instruction CLR C; Make CY=0 CLR bit; Make the bit address of the instruction equal to 0. Example: CLR P1.0; Even if P1.0 becomes 0, bit 1 is commanded SETB C; Make CY=1 SETB ...[Details]
According to foreign media reports, South Korea's LG Electronics said its advanced in-vehicle infotainment (IVI) system has been used in the all-electric luxury sedan 2022 Mercedes-Benz EQS. The en...[Details]
Summary This article explores the fundamentals and benefits of the IEC 62443 series of standards. The standard includes a set of protocols designed to ensure cybersecurity resilience and protect c...[Details]
There are 11 timers in STM32, including 2 advanced control timers, 4 ordinary timers and 2 basic timers, as well as 2 watchdog timers and 1 system tick timer. The system tick timer is SysTick describ...[Details]
Recently, GSMA released the latest statistical information. As of the first quarter of 2022, South Korea ranked first in the global 5G penetration rate with 44.92%. The second to fourth places were M...[Details]
It is understood that Hon Hai's subsidiary Foxconn (Kunshan) Computer Connector Company is mainly engaged in the research, development, production and sales of 5G mobile phone millimeter wave connect...[Details]
The program is easy to understand #include void TIM3_PWM_Init(u16 arr,u16 psc); //1ms delay function (72MHz) void delay_nms(u16 time) { u16 i=0; while(time--) { i=12000; ...[Details]
Specific implementation functions The system consists of STC89C52 single chip microcomputer + digital tube + power supply circuit + note button + music switching button + buzzer. Specific functio...[Details]
On October 16, according to SamMobile, Samsung is accelerating the mass production of the Galaxy S21 series at an unprecedented speed, and may even be officially announced before the end of th...[Details]
I have always had a seemingly correct understanding of the RO, RW and ZI data described in the ARM system. During this period, I carefully studied them and found some rules. I understood some things t...[Details]
The China Electric Vehicle Hundred People's Forum is a think tank for the development of China's automobile industry. The information revealed by the leaders of the China Electric Vehicle Hundred Peo...[Details]
Immediate addressing means that the instruction contains data and can be read directly, which is the fastest. Direct addressing means that the address is stored in the instruction and the address is ...[Details]
congatec announced that the PICMG COM-HPC Technical Subcommittee has approved the pinout for the new high-performance embedded computer-on-module specification. The new COM-HPC standard is entering t...[Details]
According to a paper published in Nature magazine on the 23rd, teams from the Jackson Laboratory, the Broad Institute of MIT and Harvard, and Yale University used artificial intelligence (AI) techn...[Details]