Hongfa Co., Ltd. (stock code: SH600885) was established in 1984. Adhering to the enterprise spirit of "continuous progress and never satisfied", the company has built an industrial system with complete categories and complete supporting facilities. At present, Hongfa has established three regional R&D and production bases. Hongfa's products cover multiple categories such as relays, low-voltage electrical appliances, high and low voltage complete sets of equipment, capacitors, precision parts and automation equipment, which are widely used in industry, energy, transportation, information, household appliances, medical and other fields. In countries and regions such as America, Europe, and Southeast Asia, Hongfa has established a localized marketing and service network, with global market operation and technical service capabilities. Relying on professional and rigorous technical support, fast-response all-round services, safe and reliable product quality and high cost-effective advantages, Hongfa has reached business cooperation with many Fortune 500 companies and well-known domestic companies in the world, and its products are sold well at home and abroad. As a national technical director unit with or without electrical relay standardization, Hongfa has been committed to promoting the development and progress of the industry, participating in the organization and formulation of a number of national standards and industry standards. In the future, Hongfa is willing to work hand in hand with global customers to share the convenience and happiness that technology brings to all mankind.
As the title says, I want to create a task in esp32 to periodically obtain the file name and number of files in the file system of the micropython task...
I am a newbie in zstack. When debugging the serial port of 2538, the serial port cannot print out data. What is the reason? The LCD below shows correctly, indicating that the data is received, but the...
[Review details] Try GigaDevice GD32L233 and start the energy-saving "chip" era![First batch of shortlisted candidates and award receipt matters][Second batch of shortlisted candidates and award recei...
IP5328P is a multifunctional power management SOC that integrates QC2.0 / QC3.0 output fast charging protocol, FCP / AFC / SFCP input and output fast charging protocol, MTK PE + 1.12.0 output fast cha...
## Preface The architecture is well done, and it is as productive as a sow. The effect will come out after the interface is changed. On the second day of work, it took half an hour to get the PWM driv...
South Korea's Ministry of Land, Infrastructure and Transport said on the 18th that the government plans to introduce a series of measures to regulate the use of civilian drones and manned aircraft t...[Details]
Lithium metal battery (LMB) is a new type of lithium-based rechargeable battery made of solid metal instead of lithium ions, and is regarded as one of the most promising high-energy-density rechargea...[Details]
SZAC380-40KW
AC intelligent dummy load accurately measures the actual output power and load capacity of various generator sets, and simultaneously detects various power supply performance elec...[Details]
SK Innovation said it plans to build an electric vehicle battery manufacturing plant in Yancheng, Jiangsu Province, China, with an estimated investment of US$1.05 billion (about RMB 7.382 billion). T...[Details]
The core Cortex-M3 processor of STM32 is a standardized microcontroller structure. I hope you will think about what standardization means. In short, the Cortex-M3 processor has a 32-bit CPU, a parall...[Details]
Due to cost, space and other issues, 5G base stations need to be deployed on top of existing sites. The coexistence of 2/3/4/5G equipment results in insufficient antenna space, which is a common prob...[Details]
I. Introduction According to statistics, the annual capacity of single-chip microcomputers in my country has reached 100-300 million pieces, and it is growing at a rate of about 16% per year, but my ...[Details]
This paper introduces a design scheme of digital display resistance and capacitance measurement system based on 555 timer and single chip microcomputer. The system uses 555 and the resistance or capa...[Details]
Since the Trump administration included Huawei in the export control entity list in mid-May, a large number of domestic companies have been included. According to the provisions of the entity list, a...[Details]
Installing current indicator on low-power household appliances
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At present, power MOSFET tubes are widely used in switching power supply systems and other power electronic circuits. In practical applications, especially under some extreme boundary condition...[Details]
introduction
Speech signals are the main medium for people to communicate and exchange. Speech has two properties. On the one hand, speech has the function of expressing meaning; on the other hand, ...[Details]
On May 23, according to Dutch media Bits&Chips, ASML consultant and former CTO Martin van den Brink recently said that the lithography machine manufacturer is considering launching a universal EUV ...[Details]
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