1. The concept of embedded system Focus on understanding the concept of "embedded" mainly from three aspects. 1. From the hardware perspective, the CPU-based peripheral devices are integrated into the...
[size=4] Video codec systems developed by DSP systems in China are almost all transplanted and optimized, and the transplanted codes are all open source. After all, spending a lot of manpower and mate...
Is there a contradiction between the grounding of the monitoring system and the grounding of lightning protection? Yes!!! Some lightning protection device manufacturers clearly advocate "grounding eve...
[p=25, 2, left][color=rgb(51, 51, 51)][font=Simsun]There are some applications of magnetic beads and inductors. Now let's make a brief summary of them. [/font][/color][/p] [p=25, 2, left][color=rgb(51...
[i=s]This post was last edited by dcexpert on 2019-5-13 16:09[/i] The new version of micropython supports the serial port interrupt of STM32, but due to the lack of documentation and no complete usage...
[size=10pt][font=宋体]Solutions to monitoring system failures (1) [/font][/size] [size=10pt][font=宋体] 1. Equipment failure caused by incorrect power supply. There are several possible reasons for incorr...
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
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1 Introduction
The stepper motor is an actuator of an open-loop servo motion system, which is controlled in a pulse mode and outputs angular displacement. Compared with AC servo motors and DC servo ...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
0 Introduction
The tobacco leaf curing process is a key step in producing high-quality tobacco leaves, and the quality of flue-cured tobacco is closely related to the temperature and humidit...[Details]
ARM Technology
京公网安备 11010802033920号
EEWORLD
