I use the smart card mode of STM32's UART3 to connect a smart card, but it doesn't work properly. Specifically, I have to reset the smart card mode every time before reading the smart card, otherwise ...
Please help me, I want to use the timer of msp430g2553 to write a PWM wave with dead zone output, and can also adjust the frequency (above 300K) and duty cycle. Although I wrote it myself, it is not i...
Circuit diagram: I don't understand this circuit. Can someone explain the principle? The following is my own analysis of this circuit. Please correct me. When ui=0, D1 and D2 generate a forward bias v...
[font=Arial][align=left][color=#000000]A comprehensive demonstration of the operation of [font=Calibri]Energysense[/font] in sleep[font=Calibri]/[/font] wake-up events. Welcome to learn more. [/color]...
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Test/Measurement
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