Just now, maybe when debugging with IAR, I unplugged it without turning off the function. When I plugged it in again, IAR could not simulate.When I unplugged the development board and clicked IAR debu...
Recently, when I was working on a project, the power supply voltage was required to be lower than 10V, and the system would no longer be powered. At this time, the battery could be used for power supp...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:59[/i]Although electric shavers are manufactured by different manufacturers, their basic working principles are similar. Therefore, som...
Environment: S3C2440+WINCE5.0 As the title says, before powering on, I plugged the USB into the S3C2440 board, but when I entered the system, the USB could not be recognized. However, after powering o...
[i=s]This post was last edited by zjw5000 on 2014-9-24 22:54[/i] [p=30, 2, center][size=6][b]Infrared Temperature Measurement System for Switch Cabinet[/b][/size][/p] [font=Tahoma][color=#000000][b][s...
Two sets of 2440 development kits have the same schematics of the touch screen. The only difference is that the hardware wiring of the latter is slightly longer. I burned the normal NK on the former t...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[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]
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]
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]
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]