Over the past year, various activities have broadened our horizons and increased our knowledge, allowing those who stay at home to learn about new and hot topics....
I would like to ask you: I added a handwriting software called "Malanhua" to my PDA, but when I operate the handwriting software, the system response is very slow (the CPU is PXA270). So, I changed th...
I spent a long time looking for this information, and I think it's very good! This is made using atmega161+vs1001, and uses the FAT file system, which is very meaningful for learning! It was made by a...
[i=s]This post was last edited by kdy on 2016-12-31 23:42[/i] I remember that I started to work at EEWorld in 2012. It has been five years in a blink of an eye! At that time, I had just started, and m...
Hello everyone, I am currently learning about embedded systems. I recently saw U-Boot and now hope to add a command of my own to it, but I encountered this problem. The version I use is 1.3.3, which i...
After two written tests and interviews, I was hired by Huawei's outsourcing company, VanceInfo. Although it is also a Linux development company with a salary of 4.75K, I really like embedded systems. ...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
The active power loss of the power transformer includes two parts: transformer no-load loss and transformer load loss. Under a certain load, the active power loss of the transformer can be expresse...[Details]
The quality of thyristors can be judged from four aspects. The first is that all three PN junctions should be intact; the second is that they can be blocked and not conduct when the voltage between...[Details]
With the rapid development of the power industry, inverters are being used more and more widely. The quality of the inverter will directly affect the inverter performance and load capacity of the enti...[Details]
Talking
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