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.
Hello everyone, I've recently been studying the derivation process of various inductance and capacitance values of NFC antenna matching circuits. Referring to the official application documents of NXP...
I have three RISC-V RV32 microcontrollers (GD32VF103 Zhaoyi Innovation, CH32V103 Jiangsu Qinheng, CH2601 Ali Pingtou Ge). RISC-V (pronounced "risk-five") is an open source instruction set architecture...
Problems that should be paid attention to in the application of variable frequency speed regulation technologyJiang Dongqing, Li Rong, Zhou Haijun 2005-2-9China Cement AssociationBelow, the author dis...
Is it the parasitic inductance of the switch?Then I saw a circuit similar to RCD function in the PFC circuit. Is the black circle the RCD circuit? Why is it different from the flyback switching power ...
There is a spike after the rectifier bridge, which cannot be clamped by the varistor. It can be clamped when the phase is 90 degrees, but not when it is -90 degrees. Is it because the varistor cannot ...
Prepare to install the module with Python pip, prompt 'pip._vendor.requests.packages.urllib3.connection.VerifiedHTTPSConnection object
After searching for a long time, I felt that I couldn't find the ...
In mid-December, Dianyang International New Energy Technology Service Co., Ltd. and Huawei signed a cooperation agreement in Beijing. The two parties announced that they would focus on the procurem...[Details]
The final version of Android 12 has been available to developers and eager fans on AOSP for a few weeks, but today it's officially rolling out to those who want to easily get it via OTA. It's n...[Details]
PIC structure and definition bit structure
extern volatile near unsigned char PORTB; // PORTB is a byte (unsigned char). Since the variable is defined in a register, the extern modifi...[Details]
/************************************************************** ;eeprom.c can be used in AVR microcontrollers, ATMEGA16 and ATMEGA8, under GCC ;Compiled. November 1, 2009! Chen Yongfei has tested it...[Details]
A system formed by connecting several electrical components is called a network. "Network" can be used as a synonym for circuit, and "network analysis" is circuit analysis, but it is rarely said in t...[Details]
The Marquee is a classic, the first example of learning microcontrollers. Through the study of the Marquee, we will master the most basic IO port operations, starting from the code. This code is not o...[Details]
First configure I2C
1. Reset I2C through APB and enable I2C clock
2. Enable GPIO clock and configure GPIO in AF OD mode
3. Enable I2C ( PE="1")
4. Set the speed parameters FREQ CCR F/S DUTY TR...[Details]
Our reporters Tang Jinyan and Zhang Jingchao reported from Guangzhou
"We use the money we save for business innovation, and each of us can maintain our brand and provide differentiated (servic...[Details]
When learning ARM embedded development, especially for beginners, you should not spend too much energy on embedded system transplantation and Linux kernel research and learning too early. These attra...[Details]
When a CAN L short-circuit to ground fault occurs, depending on the fault-tolerance characteristics of the CAN bus, the entire CAN network may be unable to communicate or a related fault code may b...[Details]
Jiwei.com reported on April 27 that Apple was recently sued again, this time because of the waterproof problem of its mobile phone. Some consumers claimed that iPhone was suspected of exaggerating it...[Details]
Not all portable systems are as simple as the one shown in Figure 1 (see Part 2 of this series). A typical block diagram of a wearable electronic device is shown in Figure 3. Design complexity is f...[Details]
China Energy Storage Network News:
The Global Energy Interconnection Development Cooperation Organization released the "Global Energy Interconnection Development Strategy White Paper", "Cross...[Details]
Recently, Korean researchers said that they are commercializing the world's first Micro LED roll transfer process technology, which can significantly improve the production efficiency of MicroLED dis...[Details]
WENZHOU, Nov. 3, 2024 /PRNewswire/ -- Recently, the 30.09MW/60.18MWh user-side energy storage power station project of Dongfang Special Steel, supported by Ruipu Lanjun, was officially connected to...[Details]