I got a very nice light bulb from a friend. The wick inside is shaped like a flower. I have never seen such a thing before. So I wanted to make a romantic flower lantern to create a warm atmosphere at...
Ask: How to expand the size of Eboot? I am using pxa270, and now I need to display a logo when EBOOT, so I just need to compile the image into eboot. I modified the following two items and the corresp...
How to use accurate timing in applications in wince~ I use the timer SetTimer (1, 1000, NULL) to accumulate 60 seconds to count one minute. The program is very accurate when simulated on a PC (basical...
I just got the board today. I was almost disqualified because I was a substitute. I still want to thank the staff. Let's take a look at the packaging first.The whole box is very large, and the Mier lo...
The memory structure of single-chip microcomputers is divided into two types: von Neumann and Harvard. Who can tell me how the commonly used single-chip microcomputers are divided? You are welcome to ...
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]
0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
Thyristor is the abbreviation of thyristor, commonly known as silicon controlled rectifier. It is a high-power switching semiconductor device, represented by the letter symbols "V" or "VT" in the c...[Details]
1 Introduction
The Global Navigation and Positioning System (GPS) has been widely used in vehicle positioning because it can provide all-weather, continuous, and real-time high-precision posit...[Details]
Abstract: In order to improve the control effect of brushless DC motor in servo system, a brushless DC motor control system with DSP as the core is designed. The main advantage of this control syst...[Details]
Most of the temperature sensors on cars are negative temperature coefficient thermistors, such as the engine's intake temperature sensor, coolant temperature sensor, oil temperature sensor, automat...[Details]
The use of batteries
is rapidly expanding
in consumer and industrial applications
. Their testing requirements generally depend on their chemistry, specifications, usage, and whether they ar...[Details]
The growth of distributed power architectures has led to the development of miniature, low-power ( 2 W) DC/DC converters. As the name implies, these devices minimize the board space occupied by the...[Details]
1 USB Interface Introduction
USB bus is the abbreviation of Universal Serial Bus, which has become the standard interface of PC. At present, most PCs above 586 are equipped with USB interface....[Details]
Preface
In the current frequency conversion device test scheme, the control of the local oscillator signal source by the measurement system is a very difficult problem (except for the fixed lo...[Details]