In the WT4090+CE5.0 environment, the client and server are both developed in VS2005. When the client calls the WEB service, it cannot access the WEB service. The program is traced to System.Web.Servic...
Prepare to make a historical report in KingView, and store the historical report at 23:59 every day according to the real-time report
Why can't the report storage command be stored in the event comman...
I am now involved in 3530WINCE6.0 platform development. After compiling the bsp, some errors were reported. Later, I found that I needed to apply the 6.0 patch to solve the problem. I first applied 6....
With the development of speech recognition technology, development boards with speech recognition processing functions have gradually become more abundant. Currently, the development boards available ...
This telephone interceptor is said to be able to intercept telephones in parallel without being easily discovered. The circuit is shown in the figure below....
[font=宋体]In our opinion, power sockets have become an indispensable power equipment in life and work. Perhaps because the use of power is too common, it is often ignored by everyone. Few people make a...
Photovoltaic inverters are the core equipment of photovoltaic systems. Their main function is to convert the direct current generated by photovoltaic modules into alternating current that meets the...[Details]
China's photovoltaic power generation installed capacity achieved rapid growth in 2017, and distributed photovoltaics achieved explosive growth. In 2017, the country's photovoltaic installed capaci...[Details]
【JDPCB】Qisda is introducing smart factories in phases. Chairman Chen Qihong said yesterday (25th) that through high automation, order delivery can be accelerated. The current benefits have reached a...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
1. Placement suspension void NVIC_Configuration(void) { NVIC_InitTypeDef NVIC_InitStructure; /* Set the Vector Table base location at 0x08004000 NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x4000)...[Details]
The status of interrupts in developing embedded systems is absolutely unquestionable. In the era of C51 microcontrollers, there were only 5 interrupts, including 2 external interrupts, 2 timer/counte...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
0. Preparation First use st-link to connect the stm32 core board and PC for burning St-link Stm32 3.3V 3.3V GND GND SWDIO PART SWCLK DCLK Then connect with USB serial port board to v...[Details]
1. About FPU transplantation As long as the chip has FPU function, the use of FPU is generally enabled by default. You can also select it in the Options tab; 2. About the transplantation of DSP li...[Details]
Processors with artificial intelligence are mostly integrated into cars, PCs, security cameras, smart speakers, robots and other related technology equipment, but
AI
chips were initially de...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
At the just concluded InfoComm 2018 exhibition, the two major brands, Zhongke Jiguang and China Hualu, both displayed three-color light source
laser TVs
. The outstanding color performance ...[Details]
Every era has its own representative company, and the small game between representative companies in the big era also reflects the big game between countries to a certain extent. Let's learn about ...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
Autonomous driving
and
5G
are the two hot topics that global companies and media are paying the most attention to, and the combination of the two is the focus of everyone's attention....[Details]