[i=s]This post was last edited by lugl4313820 on 2021-12-17 22:50[/i]Today I used the serial port assistant to upload MQTT to my server. After half a day's hard work, I finally completed the module co...
Our testing center is an authoritative physical and chemical analysis and testing center approved by the superior competent department, Beijing Academy of Science and Technology, and has the third-par...
[i=s]This post was last edited by hjl240 on 2015-6-26 20:51[/i] [align=left][size=4][font=宋体] I have graduated, and I have sorted out some books. Each book is 6[/color][font=宋体][color=#ff0000]yuan[/co...
[i=s]This post was last edited by 不足论 on 2016-12-25 17:18[/i] I was quite busy recently, so I wrote this article late. Today is December 25th. Calculating the time, it has been 2 and a half years sinc...
[i=s]This post was last edited by freebsder on 2017-3-29 13:26[/i] [size=3][url=http://www.nxp.com/assets/documents/data/en/data-sheets/MKW41Z512.pdf]KW41Z Datasheet[/url] [url=http://www.nxp.com/asse...
[p=30, null, left][font=宋体][font=Verdana][color=#111111] [/color][color=#000000] The most effective way to regulate the current in an LED from a higher input voltage is to use a synchronous buck regul...
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]
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]
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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
If a car stereo could play multiple CDs, then such an in-car entertainment system was an advanced system configuration. Today's in-car infotainment systems are complex embedded subsystems that combine...[Details]
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