[i=s] This post was last edited by fyaocn on 2015-10-14 14:51 [/i] 1. After getting the board and analyzing the routine, I tested the routine for the digital tube display as follows. Easy, so the foll...
One day when I was chatting in a group, I saw a wonderful article about security prevention written by a netizen. I specially excerpted it and read it in my spare time. In the article, the author used...
I have a WINCE hardware, the CPU is RMI's AU1200, the FLASH is S29GL256N, and the RAM is DDRII 128M. I accidentally deleted YAMON when I used YAMON to burn AUTOBOOT, and now the whole system is hangin...
Computer Control Devices ZJU Guangxin Zhang : https://training.eeworld.com.cn/course/4858This series introduces the overview of computer control, programmable controllers, CP1H series PLC, SIMATIC S7-...
I found a USB cable for the emergency lamp and changed it to a USB-powered small desk lamp, so that I can use it every day. The charging part was previously made with a MAXIM chip, which can only char...
I have just installed Quartus13.1 and the ModelSim-Altera 10.1d version that comes with it. When I call ModelSim-Alteara during simulation, I find the following error: "Can't launch the ModelSim-Alter...
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
introduction
At present, the research on micron and nanotechnology is very active, which has led to the rapid development of microtechnology and micro-mechanical electronic system (MEMS) t...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Direct digital frequency synthesis (DDS) has fast frequency switching and modulation capabilities and is widely used. However, when low power consumption and low cost are the main considerations, D...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[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]
Improving the coordination of material handling and internal transportation between departments in modern factories is an important measure to achieve full automation of production. Traditional mat...[Details]
0 Introduction
In microwave, radar, radio and television, and communication systems, the problem of coupling RF power is often encountered. A directional coupler is a directional power divide...[Details]