My board is FriendlyArm s3c2410. After I successfully ported and burned u-boot1.1.3, I used tftp to download the linux2.6.10 kernel to the memory. However, an error occurred when running the kernel. T...
J1 is a biological electrode. When a 300mV voltage is applied to both ends of the electrode, a variable current will be generated, which is about 10 to 30 microamperes. The AD is connected to the op a...
[url=http://www.714e.com/bbs/display.asp?UserID=37251]714 Electronics Laboratory download resources collection, providing a large number of electronic technology video tutorials, large EDA software an...
I would like to ask you experts, what is the file system of ROM and RAM in Windows CE? Can I do data recovery? Just like data recovery under NTFS, I want to recover deleted files such as text messages...
I am so depressed, the display is not responding, is it because SPI is not working properly? Logically speaking, if SPI is working, even if it is wrong, it should affect the display. It is inconvenien...
Altium Designer Official Training Materials Altium Designer 3D Component Library Modeling Tutorial Altium Designer10[font=宋体]From Beginner to Master[/font][/size][/align][align=left][url=https://downl...
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]
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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[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]
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]
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]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[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]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]