The heart of a man in first love is like the simplest signal amplifier, and the woman controls the input end. Your smallest happy signal can bring him great happiness. Similarly, your careless small h...
I have two boards, one boots normally, the other won't. The situation is this: the CPU is working (some signals can be seen outputting), and when I test the flash, there is no signal from the power on...
Hi, everyone. Due to development needs, I upgraded the memory of the original 2440 development board from 64MB to 128MB. I used two K4S511632D (originally two HY57V561620). Now I encounter a situation...
[i=s]This post was last edited by szkei on 2020-8-8 23:18[/i]1. Acknowledgments.I have known Hetai since 2010, but I could not use Hetai because I could not afford to buy a programmer. Ten years have ...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
According to the National Shipbuilding Industry Economic Research Center, the total shipbuilding capacity in my country last year was about 9×106t. The new ship orders exceeded 17×106t, accounting ...[Details]
1. Introduction
Diesel engine test is the last key process in the diesel engine production process, which plays a very important role in the manufacturing quality of diesel engines. Its main c...[Details]
1 Introduction
In recent years, the application of LED display screens has developed rapidly, promoting the progress of LED driver ICs. Based on the high reliability of LEDs and the consistenc...[Details]
In the servo drive system, the brushless DC motor (BLDCM) is a new type of continuously variable speed motor. It has the advantages of simple and reliable structure, convenient maintenance, high opera...[Details]
Environmental concerns about global warming caused by the burning of fossil fuels, rising crude oil and natural gas prices, and political difficulties caused by dependence on crude oil have prompte...[Details]
VGA (Video Graphics Array) is a graphics display standard proposed by IBM in 1987. Although it is no longer an advanced display standard, it is still widely used due to its mature technology and pr...[Details]
0 Introduction
In 2008, the Science and Technology Olympics is a very important aspect, and the timing and scoring system is of utmost importance in the competition. It can be said that a good...[Details]