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gender2011-03-14
Regional Manager
Guangzhou Kemi Technology Development Co., Ltd.
Guangdong-Guangzhou-Luogang DistrictUnlimited2011-03...
Its delay function uses a timer delay, but this function cannot find SysTick_Config(168000);while(ntime);while, and there is no stm32f4xx.it.c in its library file, but the compilation does not report ...
I would like to ask all teachers:Unable to download the program, error at flash address 0X00, Debug log win prompts error: Writing outside flash memory at address 0x0,What is the reason? I downloaded ...
4.3 Reduce the number of logic levels in the critical path 41 4.2 Relationship between speed and area of IF statements and Case statements 40 4.1.2 Use parentheses to handle multiple adders 39 4.1.1 S...
Current measurement is widely used in circuit design, and the main fields are divided into three categories: in measurement, electric meters are used to measure current; in protection, current often h...
I am currently working on a wireless data acquisition system, using DS18B20 to implement temperature acquisition, micrf102/007 as the RF transceiver chip, and simplex communication. [52RD.com] Someone...
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]
Conventional crystalline silicon solar cells are made on high-quality silicon wafers with a thickness of 350-450μm, which are sawn from pulled or cast silicon ingots. Therefore, more silicon materi...[Details]
This article examines some of the requirements that need to be met when designing DC/DC converters used in telecom and distributed power systems (DPS). Telecom DC/DC converters have an input voltag...[Details]
“Productivity determines production relations, and the development of productivity determines the change of production relations”, yes, society is always full of changes, and advanced science and t...[Details]
introduction
ISP in-system programmable technology is different from the previous PLD which requires a dedicated burner to realize logic design. It does not need to remove the ISP device to re...[Details]
VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
introduction
Since the 1990s, with the continuous reduction of the feature line width of integrated circuits and the corresponding increase in chip density and operating frequency, reducing po...[Details]
1 Introduction
With the development of transmission systems in recent years, multi-motor transmission systems have been widely used in various fields. In order to improve the dynamic performan...[Details]