I 'm very sorry. I don't know how to send you an email, so I have to shout here.Please bear with me!!!My program had an error yesterday. I searched the forum and found your post from last year. The er...
As the title says, my CPU is s3c2440, and the chip select of the chip connection is nGCS4, so the address should be 0x20000000. But the offset address below the driver uses 0x20000300. How is this obt...
I connected a MC35IT to the PC serial port and wanted to use AT commands to dial up the GPRS network, but failed. The results are as follows: OK at+cgatt=1 OK at+cgdcont=1,"ip","cmnet" OK at+cgact=1 O...
PPTC device technology has been widely used in overcurrent and overheating circuit protection designs for portable appliances, mobile phones, computers and telecommunication equipment. The new standar...
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
In this final installment of a five-part blog series, I will discuss noise in op amps driving headphone loads and some techniques for reducing it. Previous posts have discussed headphone load power...[Details]
The intelligent
dust monitoring system intelligently monitors dust concentrations at and around construction sites. All concentration values are transmitted to a cloud server for
cloud co...[Details]
The primary control objective in this case is the display and alarming of data parameters on the Xinheng control scale instrument. The system's main PLC uses a Siemens CPU, and data is collected vi...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]
With rapid economic development, the types of pollution sources are increasing, especially in chemical and industrial zones and their surroundings. The patterns of pollution and the types of ecolog...[Details]
While aberration theory is a vast subject, a basic understanding of some fundamental concepts can make it easier to understand: spherical aberration, astigmatism, field curvature, and chromatic abe...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
DSP and ARM Processors
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