With the advent of China's 5G era, this article discusses one of the important development directions: narrowband Internet of Things applications (Cat-M/NB-IoT). From the perspective of RF devices, th...
[align=left]EE[font=SimSun] group activity, lucky to buy a [/font]STM32F0308-DISCOVERY[font=SimSun]: [/font][/align][align=left][font=SimSun]After getting the board, don't rush to power it up, first r...
Monospaced fonts can make English more regular, but will affect the display of Chinese. Using /// can make Chinese more clear. [[i] This post was last edited by osoon2008 on 2012-11-24 21:51 [/i]]...
The 430 series 5438A drives the temperature and humidity sensor SHT11. A single debug can measure the temperature and humidity values, but continuous operation does not produce results. What is the re...
I have a problem using IRF3205 and I need your help! The data sheet says that it cannot exceed 20% (NOTES: the fourth item in the original text). Is this true? If not, how should I understand it? The ...
Q16:11:37 Error: Current license file does not support the EP3C10E144C8 device Hello, how do you solve this problem? A: Recreate a simple project and try it once. Q: Warning: FLEXlm software error: In...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]