Now I am working in the company, and I feel that yesterday went by really fast. I am currently mainly doing sales work. I don't go out often, and I mainly contact some customers on the Internet. So I ...
p18: When the computer is reset or powered on, the CPU automatically sets cs to 0xf000, and its segment base address is set to 0xffff0000, the segment length is 64k, and IP is set to 0xfff0, so the co...
[size=5][color=#0000ff] Hello everyone! I would like to ask you to recommend a SMD company for me. I am now making a Da Vinci DM8148 board, an 8-layer board. I found some companies that make boards on...
The newbit has a buzzer on board that can sing and speak English (machine style), which is interesting. : Import module [code]import speech[/code] Simple use [code]import speech from microbit import s...
[p=30, 2, left][font=微软雅黑][size=4]Arduino mega 2560 board connected to Lenovo Win10 system, it worked fine a few days ago, but the day before yesterday, the computer suddenly shut down while debugging...
[i=s]This post was last edited by Zengin on 2015-3-1 19:22[/i] [color=#000][font=Arial, SimSun]Actually, when I first heard about posting, I refused, because, you can't let me post, I will post immedi...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
Talking about work
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