[p=28, null, left][color=rgb(46, 46, 46)][font=微软雅黑,][size=4]About the operation of the vibration plate (the structure of the vibration plate) The piezoelectric sound element must be placed in a piezo...
I switched from software to embedded systems. Recently, I am learning S3C2440 (ARM9T). I want to write a program similar to Uboot, so I started to read the chip technical documents. I found that I cou...
From the perspective of microprocessor resolution, there seems to be no difference between the two. But the areas they focus on are completely different. General-purpose CPUs focus on transaction proc...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 20:01[/i] On December 7, Shanghai chip company Senodia Semiconductor announced the birth of the first commercial MEMS gyroscope with indep...
I want to use a hook to intercept the messages of the WINCE soft keyboard. I refer to some other information on the Internet and use the following method to set the hook, but it is always unsuccessful...
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[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]
The biggest advantage of Profibus is that it is guaranteed by the stable international standard EN50170 and has been proven to be universal in practical applications. It has been widely used in man...[Details]
The programmable controller directly controls the stepper motor, which can significantly reduce the cost of the control system of the modular machine tool automatic production line. The article int...[Details]
In the past 20 years, although the inverters that use power transistors (GTR) as inverter power devices, 8-bit microprocessors as control cores, and realize asynchronous motor speed regulation acco...[Details]
1. Why do we need to do electromagnetic compatibility design for products?
Answer: To meet product functional requirements, reduce debugging time
,
make products meet the requirements o...[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]
IP STB interactive services that are constantly updated
The interactive digital content services that can be provided through the television system include television on demand (Vo...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
1 Introduction
When studying electronic courses such as "Electronic Circuits" and "Signal Processing", college students only understand the real signal characteristics in theory. They cannot r...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
Analogue and Mixed Signal
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