[i=s] This post was last edited by Mai Tu Shu Sheng on 2018-12-19 11:40 [/i] I recently saw an article about Johnson noise, which mentioned that the noise bandwidth of the RC circuit is 1/(4RC). I was...
[flash]http://player.youku.com/player.php/sid/XMTM3ODYzNTk2/v.swf[/flash] I don’t know what liquid they poured into the magnet to change its magnetic poles....
In-depth technical training on battery management : https://training.eeworld.com.cn/course/5288This on-demand training provides practical recommendations to select the right charger for IP camera. It ...
#define ADDR_NORMAL_DATA *(volatile Uint32 *)0xA0200014 The parameter addr passed to the function is RD_ADDR_KEY_0, and its macro definition is as follows: #define RD_ADDR_KEY_0 1 int RDNormal(unsigne...
When developing single-chip microcomputer programs, many people rely on emulators. Once they leave the emulator, they feel at a loss. In fact, for FLASH memory single-chip microcomputers, programs can...
In our country, there are countless people using 51. Although I haven't done a survey, everyone says so. At MCU DAY, I chatted with an uncle sitting next to me, and it turned out that his company make...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]