Hello everyone: I am testing a single-board computer based on Motorola's VME bus, without a baseboard. P1 and P2 are powered on, but the board's VGA has no output, and pressing the reset button on the...
[align=center]The difference between *.c and *.h files in C language[/align][align=left]This is a question asked by HR during my interview. It has no technical content, but when you think about it, it...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:57[/i]European IPTV enters large-scale commercial use, with Chinese operators catching up 2006-7-28In Europe, IPTV has already sounded ...
I want to ask for help. We bought a Hikvision analog color camera. When we connected it to a hard disk recorder or a projector, the screen only showed PAL, not the monitoring screen. What's the situat...
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[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]
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]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
1 Introduction
In the process of crude oil pipeline transportation in the oil industry, crude oil needs to be handed over between enterprises, so flow meters are widely used. The measurement ac...[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]
In the design of multi-channel passive radar signal processor, the author used DSP chip
TMS320VC5409
to control the interface circuit of four DDC chips HSP50214B, and studied the ke...[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]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]