For example, there is a unisigned int x and a uchar y[3]. To convert X into a compressed BCD code and put it into Y, this 8-bit machine has no BCD related instructions, no multiplication and division ...
Problem 1: When compiling Android 4.0.4 source code on 32-bit Ubuntu 12.04, an error about the emulator occurred. The key is the -m64 parameter in its Makefile. Just replace it with -m32. The error pr...
Abstract: The application of non-contact measurement system in vehicle road test is studied. A portable vehicle motion parameter . Important issues such as system configuration, test principle, calcul...
Google Home, a speaker that can understand human speech, is the new baby of smart home : https://training.eeworld.com.cn/course/3641[font=微软雅黑][size=3]This robot that looks like a speaker is called "G...
Detailed explanation of Network Neighborhood Gao Xing published on 2005-9-3 19:25:00 1. Working principle of Network Neighborhood Network Neighborhood uses NetBIOS protocol. In Win98 second edition sy...
The day before yesterday at 3 pm, I started to review for the circuit supplementary exam. Damn, it went very smoothly! I didn't expect that I could understand the equivalent transformation, first-orde...
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
1 Introduction
In order to cope with the energy crisis and slow down global warming, many countries have begun to pay attention to energy conservation and emission reduction and the de...[Details]
There are two main ways to measure temperature: one is the traditional contact measurement, and the other is
non-contact measurement represented by
infrared temperature measurement
. Tradit...[Details]
1 Introduction
The function of the material transport vehicle is to lift the mixed finished materials into the finished material storage bin. In the early mixing equipment, the material transpo...[Details]
High-frequency electrodeless lamp is a high-tech product that integrates electronic technology, vacuum science, power electricity, plasma science, magnetic material science and other disciplines. Elec...[Details]
The so-called constant current source is a power supply with a very stable output current, but this stability is relative, not absolutely unchanging, but its rate of change is so small that it can be ...[Details]
Laptops, netbooks, mobile Internet devices (MIDs), e-books… these mobile devices have become a bright spot in the consumer electronics industry as buyers look for new value-for-money products. In m...[Details]
Embedded System
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