int GetGBKCode_from_sd(unsigned char* pBuffer,unsigned char * c) { unsigned char High8bit,Low8bit; unsigned int pos; High8bit=*c; /* Get high 8-bit data*/ Low8bit=*(c+1); /* Get low 8-bit data*/ pos =...
Cache memory is a memory chip on the hard disk controller with extremely fast access speed. It is a buffer between the hard disk's internal storage and the external interface. Since the internal data ...
[color=rgb(51,51,51)][backcolor=rgb(229,229,229)] Hello everyone, today I bring you the last article on weather monitoring. [/backcolor][/color] [color=rgb(51,51,51)][backcolor=rgb(229,229,229)] Today...
The author of this article is Professor Shao Beibei of Tsinghua University. He has a special affection for embedded operating systems and has played a huge role in promoting the promotion of μC/OS in ...
How to manually add a network to a PCB in Altium?
A: As shown in Figure 1, many experienced Protel engineers are accustomed to directly drawing wire strips without a network in the PCB for PCB design....
There are many MCUs with SDIO in the ST Nucleo development board series, but none of them have a (micro)SD card socket on board. The Nucleo-144 is relatively good, as it groups together several IOs us...
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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 to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
Rated capacity refers to the maximum output power of the UPS (the product of voltage V and current A).
Usually, the UPS power supplies sold on the market are marked with "W" (watt) for smaller...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[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]
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