[color=#000][font=-apple-system-font, "][size=19px]Xiaomi Group announced its 2018 annual report on the 19th: Xiaomi achieved revenue of 174.915 billion yuan. So far, the five-year, billion-dollar bet...
After my code is compiled, a warming occurs, and the content is as follows: Warning: LATCH primitive "ether_mac:ether_mac|ethermac_recv:recv|fsm_ram_wr_ns.RECV_PRENUM_7327" is permanently enabled. Exc...
I saw the following infrared code structure in a tutorial. I don't understand how the 1.125ms period representing 0 is converted into 0x109c0? How is the 2.25ms period representing 1 converted into 0x...
In this case, I wonder how you guys route the wires? I used padless vias with inner and outer diameters of 0.3mm, and routed them from the bottom layer. Now I have a problem, some power vias cannot be...
[font=微软雅黑][size=3]Following [url=https://www.eeworld.com.cn/training/2014/TI_power_0213/383.html]《Switching Power Supply Design: PCB Thermal Management》[/url], Daxuetang has launched another practica...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[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]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]