Today I overclocked the DM642 board I made. I used SDRAM (143M) with a -7 suffix and adjusted the frequency multiplier setting of the PLL chip. I adjusted the original 133M frequency to 150M, and remo...
According to its instructions, it also comes with an adapter cable. But I don’t know if it can be used. [url=http://item.taobao.com/item.htm?spm=a230r.1.14.1.gGoi41&id=27020124516&_u=r13n6hr00a8]http:...
As graduates step out of their ivory towers, whose advice should they listen to? What lessons should they learn on their great journey to independence and autonomy? It might be helpful to listen to th...
I would like to ask a question about career planning: "There is a sequence in learning, and there is a specialization in skills." I am also a bookworm who comes here because of my reputation. I have o...
1. What are the functions of the two MOS tubes M1 and M2 in the circuit diagram?2. What is the feedback loop in the circuit diagram? What function does it play?3. Can this switching power supply be us...
Use of shortcuts: If you want to display a program shortcut on the desktop of the CE platform, the implementation steps are as follows: 1. Create a shortcut. Use a text editing software such as Notepa...
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
Introduction
X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to tr...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
In order to develop lighting LED technology, developed countries attach great importance to the research of LED testing methods and standards. For example, the National Institute of Standards and T...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]