1. Capacitive reactance: Xc = 1/(ωC) = 1/(2πfC)ω---------angular frequency (angular velocity)π---------pi, approximately equal to 3.14f---------frequency, the power frequency of my country's national ...
NodeMCU-BU01 Development Boardpower supply
The power supply part uses Micro USB as the power supply interface of the NodeMCU-BU01 development board. PA11\PA12 are reserved for USB function expansion. ...
The automotive industry is changing. Today, tasks that can only be accomplished by internal combustion engines will be handled by hybrid, electric, or even fuel cell-powered vehicles in the future. In...
[i=s]This post was last edited by xld0932 on 2022-6-26 12:14[/i]This article will use the KEIL MDK integrated development environment to create a template project based on the N32L43XRL-STB developmen...
The software version is Altium designer 18. After drawing the PCB and laying copper, I planned to fill the teardrop, but found that the teardrop can be filled between the connected wire and the via, b...
Board Resource Introduction
Lichee RV-86 is a smart home central control development kit that is compatible with Lichee RV-Nezha CM.
Supports WAFT (WebAssembly Framework For Things) development enviro...
Electronic measuring instruments can be roughly divided into the following categories according to their working principles and uses:
1. Multimeters
Analog
voltmeters, analog multimeters ...[Details]
Things to note when using a gas detector:
1) Pay attention to regular calibration and testing.
Toxic and harmful gas detectors, like other analytical detection instruments, are measur...[Details]
Recently, South Korean media ELEC quoted an insider as saying that Hyundai Motor has begun to consider purchasing home appliance chips and then equipping them in cars after testing to alleviate the c...[Details]
The timer is a powerful tool of stm32. It can be said that there is no project that does not use the timer, so only by mastering and understanding the use of timers can we make good products.
This ch...[Details]
In August this year, China Post Telecommunications Equipment Co., Ltd. opened and certified an official Hi nova Weibo account. There were reports that the brand would launch a mobile phone simil...[Details]
With the development of computer networks and the widespread use of technologies such as fieldbus, serial communication is increasingly used in various occasions. In centralized control systems, commu...[Details]
Compared with models with single-axle drive, all-wheel drive (AWD) models can provide stronger power and better driving safety. At present, this technology has been increasingly used in high-end cars...[Details]
Winter is here, and the battery level of mobile phones has turned on its metaphysical mode again. I believe that everyone has more or less encountered the following situation. Why does my small mob...[Details]
1. ATMEGA128 Data Sheet Watchdog Timer The watchdog timer is driven by an independent 1 MHz on-chip oscillator. This is a typical value at VCC = 5V. See the characteristic data for typical val...[Details]
Recently, the first shared energy storage power station in Xilin Gol League, Xilinhot Taifu Shared Energy Storage Station, completed equipment testing and commissioning. After the project is completed...[Details]
1 Introduction
PU is the heart of the computer, and the power supply is the energy source of the computer. At present, ATX power supplies have replaced AT power supplies and are widely ...[Details]
On May 21, Sihui Fusi stated on the interactive platform that the successful development of the company's 48-layer chip test board marked a further improvement in the company's process technology lev...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
The thyristor zero-crossing trigger KJ007 can trigger the switching process of the bidirectional thyristor at the moment when the power supply voltage is zero or the current is zero. In this way, the...[Details]
Recently, Wuhan Municipal Bureau of Economics and Information Technology announced the results of the 2024 unicorn enterprise certification. 44 enterprises in the city were selected, of which 31 were ...[Details]
Switching Power Supply Study Group
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