Is there a certain order for sending data and latching? Or can it be either one in front? Part of the program is as follows: P0=0; dula=1; // open the latch end; dula=0; // close the latch end; If the...
Reprinted from deyisupport [align=left][color=#000]In power systems, temperature is one of the most important parameters that need to be monitored. For example, as an expensive and critical component ...
I have been in the forum for a short time :loveliness:, and I found that the forum is very good (many experts, many discussions, many DIY activities, and awesome group purchases) :kiss:. The atmospher...
It's an ASUS laptop, A6 series. It started like this yesterday. When I turn on my computer, there are four screens. From system startup to login, it's all black. I can enter the BIOS, but it's always ...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
The platemaking machine is an indispensable device in platemaking and printing, and plays a very important role. The platemaking machine is a device used to make printing plates. The principle is c...[Details]
Example of multitasking and resource reuse of programs
There is an electromechanical device with two buttons that control two different parts of the device.
Now the requirement is:
wh...[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]
51mcu
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