Now there are many businesses that make ARM development boards, they just make money by selling development boards. How much can they ship? Can they make target boards (that can be used on devices) fo...
It seems to be the same package as shown in the picture. I don't know what it is called. How do I solder the AGND in the middle? How do I solder it by hand?...
Generally, the product manual of transistor manufacturers will have the maximum power dissipation Pcm of the transistor. When the transistor is working in a specific circuit, how can I determine its a...
They all use RMS-DC chips such as AD637. If the waveform is just a single sine wave, can this chip be omitted? Full-wave rectification and filtering can be used to output DC. The main reason is that A...
I would like to ask which hero has an Arm + Linux system. I want to learn Arm + Linux now, but I don’t know what to do. I want to find a system to try! ! ! ! Is there any kind-hearted person who can s...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
The 8051 microcontroller is the most common microcontroller we have. I have been using 8051 for a long time and have also taught microcontroller courses for a period of time. Here I would like to s...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
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