I am a novice in ARM. I found an EK-LM3S811 development board (black cutout version) in the company. I plan to use it to make a timing control relay program for testing. I used the source code in the ...
If a PLC serial communication module is used, the baud rate can reach 19200. I communicate 10Bytes each time, so is the communication frequency simply 19200/8/10=240Hz? I use Siemens CPU312 and the se...
[i=s]This post was last edited by chen468859 on 2017-2-27 15:32[/i] Draw a serpentine differential line similar to Figure 1 Figure 1 The first step is to set up the differential pair. I drew a schemat...
[i=s]This post was last edited by eagler8 on 2022-6-14 05:29[/i]When I woke up in the morning, while watching Wangzai’s father’s video, I accidentally learned that the main control chip of the Xingkon...
The game is a bit simple:lol. But the power module is indeed becoming more and more important in system design. There is a lot of information about Yi Power Supply in the forum. I will take a good loo...
I majored in computer science, and it has been 3 years since I graduated. When I was in school, I played with single-chip microcomputers and had some knowledge of hardware, and I drew simple double-si...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
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]
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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]