In the CCS development environment, turn on the -O2/-O3 optimization option, and the compiler will automatically perform software pipelining for the appropriate code. Therefore, programmers need to pa...
Proteus8.6 simulation, the code is debugged, it can be simulated successfully on other computers, but it can't achieve the expected effect when I change it to my own computer. The computer system is W...
[size=4]I designed the DM648 image processing system myself. The codec solution is TVP5150*2 and SAA7121. The driver of the codec chip is modified based on the original DM642 supporting driver in the ...
[size=5]This device is used to measure the temperature of an incandescent lamp. When the temperature rises, the black body radiation spectrum shifts to shorter wavelengths. The filter is used to separ...
I had an OLED that was half yellow and half white. I bought it online. But it never lit up after I bought it. I was very sad. I asked the seller, and the seller sent me some information. I was very an...
[i=s]This post was last edited by dcexpert on 2019-2-8 10:38[/i] From: [url=https://fosdem.org/2019/schedule/event/microcontrollers_python/]https://fosdem.org/2019/schedule/event/microcontrollers_pyth...
The high-definition lighting system developed by Hyundai Mobis displays road driving information in real time, improving user convenience and safety. Combined with navigation information, it notifi...[Details]
IEC61850 is a configuration tool for substation automation systems, in which the Substation Configuration Description Language (SCL) is defined in the IEC61850-6 section. The SCL language is a spec...[Details]
High performance liquid chromatography (HPLC) has now become one of the important means of organic chemical analysis. Similarly, in food analysis, whether it is residue analysis or component analysi...[Details]
According to foreign media reports, the new Powerbeats Pro wireless headphones will be available in May as planned, but only black will be available for the time being. Just after the news...[Details]
Focus on hot topics such as semiconductor supply chain, IoT wireless connectivity, medical IoT and smart home security Industry leaders and technical experts will discuss market focus and developm...[Details]
On September 24, Shenzhen South Circuit said in response to questions from investors that the company's main products include printed circuit boards, package substrates and electronic assemblies. Amo...[Details]
As a special transformer, the leakage inductance transformer can not only transform the voltage, but also stabilize the voltage due to the existence of leakage inductance. This is because the magne...[Details]
31 technology and telecommunications companies today announced an alliance, calling on the US authorities to build an open and interoperable 5G network system and get rid of dependence on a single su...[Details]
In electric vehicles, the temperature of all system units needs to be constantly monitored. High currents lead to losses and corresponding heat generation, especially at the contacts. TDK has now d...[Details]
With Tesla also set to join the lithium iron phosphate battery camp, coupled with BYD, which has made considerable achievements in the research and development of lithium iron phosphate battery elec...[Details]
A. Basic information:
1. Defective sample: high-power white light finished product.
2. Number of samples with bad feedback: 114pcs.
B. Abnormal content:
After testing the abnormal...[Details]
Kernel version:2.6.14
CPU architecture:ARM920T
Author:ce123(http://blog.csdn.net/ce123)
There are two main functions in the Linux kernel that involve the allocation of file descriptors: get_unuse...[Details]
Under the epidemic, the chip shortage in the automotive industry continues to ferment. In order to prevent foreign chip companies from cutting off supply, we should prepare for a rainy day and study ...[Details]
The role of the watchdog: The watchdog timer is a counter whose basic function is to restart the system after a software problem or program runaway occurs. The watchdog counter counts automatically w...[Details]
As the incidence of ATMs has remained high in recent years, commercial banks have strengthened
video surveillance
measures for teller machines and installed professional surveillance syst...[Details]