Using the webcam.dll from the Internet, it can be recognized in the system (cam2:) but cannot be displayed. There are camtest2 and camtest3 on the Internet that are app interfaces for watching videos,...
There are 20 minutes left before the event begins. [url=https://www.eeworld.com.cn/eetuan/20150119STM32/index.php]https://www.eeworld.com.cn/eetuan/20150119STM32/index.php[/url] [b]【EE Group】Be the fi...
The company focuses on WINCE/WINDOWS?MOBILE product development. The main products are smart phones, GPS, and car entertainment systems authorized by Microsoft. There are a full set of development equ...
I am working on ultra-low power consumption products recently. Since the program was basically completed when I took over, it was written in assembly language. The modification and maintenance of the ...
1. Interrupt-related concepts Interrupt process ---------------------------------- You are playing chess, and suddenly the phone rings. You go back to the room to answer the phone, and then come back ...
[url=http://www.fujitsu.com/cn/fss/freesample/]http://www.fujitsu.com/cn/fss/freesample/[/url]If you need it, you can apply. The application speed is good this time, and I got a reply in less than 1 w...
The Sino-US trade war has already started. Trump's series of actions have had a negative impact on the global economy, such as increasing tariffs on Chinese companies and restricting domestic compa...[Details]
In the actual project development process, hardware circuits often need to be modified, and the modified parts need to modify the driver. Thinking about the coming and going of such requirements is t...[Details]
I have read the source code of mbed these days, and the interface encapsulation for upper-level application calls is quite good. The code quality is relatively high, the comments are also very detai...[Details]
In simple terms, high-end chips solve many complex problems, mid-range chips solve a single complex problem, and low-end chips solve a simple problem. Let's learn more about the relevant content wi...[Details]
LAN8720 test code arrangement 1. Modified based on two projects, namely "Experiment 55 Network Communication Experiment" of Zhengdian Atom ATK and "STSW-STM32070" routine of ST official The hardware ...[Details]
Security PPP is a new model of urban video surveillance projects: 1) The government and social capital establish a project company in a certain proportion; 2) The project company participates in the ...[Details]
On April 18-19, 2018, at the "Second Distributed Photovoltaic Carnival" held in Hangzhou, Jinko Power and China New Energy Assets Investment, Financing and Trading Platform (hereinafter referred to as...[Details]
Recently, the "Smart Photovoltaic Industry Development Action Plan (2018-2020)" jointly issued by six departments has put this concept on the forefront. Photovoltaic smart solutions will become the ne...[Details]
When designing a product, if the application environment's requirements for power isolation are not considered, the product will be unstable due to improper design, and even high voltage may damage t...[Details]
The F1 racetrack is roaring with engines, and a fierce F1 race is about to begin. I am not a fan of racing cars, and I have nothing to do with this world, but
I spent a special day here
because...[Details]
This program uses the eight-channel ADC single acquisition mode. According to the configuration, ADC12SC will automatically reset after the conversion is completed in the single mode, so it is necess...[Details]
Recently, Jiangsu GoodWe Power Technology Co., Ltd. ("GoodWe") unveiled two products of the SDT family, the 17kW smart photovoltaic inverter GW17KN-DT and the 20kW smart photovoltaic inverter GW20KN-D...[Details]
Today’s medical devices are filled with increasingly complex electronic devices that monitor, display, assist and warn patients. The latest generation of medical device electronic devices are smaller...[Details]
1. Common knowledge about DMA. 1. Function: to achieve high-speed data transmission between chips. That is, it can achieve data transmission without occupying the CPU. 2. Mode: There are three tran...[Details]