High-speed PCB design rules and techniques analysis : https://training.eeworld.com.cn/course/6004[Course Background]:What are rules? How much should be controlled between various devices? How much sho...
Dear heroes: Assuming the development platform is PXA270+WINCE5.0, what is the actual transmission speed of a 100M network on a similar embedded platform? How to test it? Are there any test tools? Jus...
The National Undergraduate Electronic Design Competition has passed, and the competition section has naturally become "a lot more deserted", but the moderator open82977352 is still sticking to his pos...
My class assignment is an electric sliding door, in which 59 pulses are needed to open the door, the first three pulses are spaced at 100ms, 60ms, and 30ms, then 51 pulses are spaced at 20ms, and the ...
As we all know, Win95 has the function of setting passwords, but I wonder if you have noticed that when returning to Win95 from the "suspend" state, the system does not require us to enter a password....
1. After creating TFFS, formatting FLASH and mounting it, I can see "/tffs" using the devs command in SHELL. I can execute LS and CD commands, but when I execute the copy command, it says that the sym...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
Embedded System
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